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Planning to travel this week? Here’s what could impact your route.

• Hurricane Isaias threatens the central Gulf Coast today into Saturday with life-threatening surge and gusts up to 130 mph; flooding and tornadoes spread inland through the weekend.
• Heavy wet snow and blowing snow may make travel difficult across much of the higher terrain in Montana and parts of northern Wyoming Saturday into Sunday, with 6–12 inches possible and over a foot in some mountains.
• Flash-flood risk broadens Sunday from Southern California and Nevada into Arizona and Utah, as remnants of Tropical Storm Rachel sweep the wider Southwest.

Your route’s weather may vary from the general forecast — check your exact trip

This free daily forecast is separate from a paid RV Weather SureRoute subscription. SureRoute checks the weather along your specific route and travel timing.

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Significant travel weather for the next 2-3 days.

Weather Impacts Pacific:

— Eastern Washington, including the Moses Lake area, Washington Palouse, Upper Columbia Basin, Spokane area and Waterville Plateau: Blowing Dust Advisories are in effect from this afternoon and evening. Southwest to west winds gusting 30 to 40 mph will produce localized blowing dust with visibility frequently between one-quarter mile and one mile. Routes potentially affected: I-90, US-2, US-395.

— A small portion of north-central, northeastern and central Oregon, including central Oregon and the Grande Ronde Valley: A Freeze Watch is in effect late Friday night through Saturday morning, with temperatures possibly falling to 30 degrees and frost or freeze conditions affecting sensitive vegetation and exposed plumbing.

— Far northern California and northern, northwestern and east-central Nevada, including the Surprise Valley: Red Flag Warnings are in effect this afternoon and evening. West winds will gust 25 to 35 mph across northern California and northwestern Nevada, while northern and east-central Nevada has humidity of 10 to 15 percent and active wildfires that could spread rapidly. Routes potentially affected: I-80, US-93, US-95, US-395, CA-139, CA-299.

— A small portion of California’s North Coast: A Dense Fog Advisory remains in effect through early this morning, with visibility one-quarter mile or less near the coast and the densest fog within a mile of shore. Routes potentially affected: US-101, US-199, CA-36, CA-299.

— Southern Nevada, the California Deserts and southwestern and west-central Arizona, including Death Valley, the Parker and Gila River valleys and the Chuckwalla Mountains: Wind Advisories begin Saturday in southern Nevada and Death Valley, then expand Sunday into the lower Colorado River deserts. Gusts reach 45 mph in southern Nevada, 50 mph near the California-Arizona border and 60 mph in Death Valley, with tree-limb and power-outage potential. Routes potentially affected: I-8, I-10, US-6, US-60, US-93, US-95, CA-62, CA-78, CA-168.

— The California Deserts and Southern California, and south-central and southeastern Nevada: Flash flooding is possible across a portion of the California Deserts and small portions of south-central and southeastern Nevada Saturday. Sunday, the flash-flood threat broadens across the California Deserts and part of Southern California and expands across south-central and southeastern Nevada. Routes potentially affected: I-5, I-8, I-10, I-11, I-15, I-40.

— The California Deserts, including the Imperial and Coachella valleys, Death Valley National Park and San Gorgonio Pass: Extreme Heat Warnings continue through this evening. Temperatures reach 104 to 109°F in the Imperial Valley and up to 105°F around the Coachella Valley and San Gorgonio Pass. Routes potentially affected: I-8, I-10, CA-62, CA-78, CA-86, CA-168.

— Coastal areas around Los Angeles, Monterey Bay, Big Sur, San Francisco Bay and San Pablo Bay: Coastal Flood Advisories continue through Wednesday. High tides may flood low-lying roads, lots, trails and harbor walkways; inundation near San Francisco Bay may reach 1.4 feet, while Southern California also faces elevated surf, erosion and dangerous rip currents, with the greatest Los Angeles-area flooding risk Sunday.

— A small portion of the California Deserts: An isolated severe-weather threat Saturday afternoon through Saturday night includes isolated severe wind gusts and perhaps a tornado as Rachel’s tropical moisture reaches the lower Colorado Valley. Routes potentially affected: I-8, I-10, I-40, US-60, US-95, CA-62, CA-78, CA-86.

Weather Impacts Mountain:

— A small portion of west-central Montana, a portion of central Montana and south-central Montana and north-central and northeastern Wyoming, including the Lewis and Clark, Gallatin, Beartooth and Bighorn national forests: Red Flag Warnings are in effect today. West to southwest winds may gust to 45 mph with humidity as low as 7 to 13 percent, supporting rapid fire spread and erratic fire behavior in lower and middle elevations, foothills and mountain areas. Routes potentially affected: I-15, I-90, US-12, US-14, US-16, US-87, US-89, US-191, US-212, US-287.

— Parts of central and southwest Montana, including the Rocky Mountain Front, Helena Valley, Butte-Blackfoot region, Bitterroot and Sapphire mountains, the Absaroka-Beartooth, Crazy, Big Belt, Bridger, Castle and Centennial mountains: Winter Storm Watches cover much of the region Saturday afternoon through Sunday, with a Winter Weather Advisory for the Bitterroot-Sapphire Mountains and Seeley Lake region. Most areas may receive 6 to 12 inches of wet snow with gusts to 45 mph; more than 12 inches and blowing snow are possible in the Absaroka-Beartooth and Crazy Mountains, while advisory areas receive up to 3 inches. Routes potentially affected: I-15, I-90, US-12, US-87, US-89, US-191, US-212, US-287.

— Southern Idaho, including the Owyhee Mountains, Southern Highlands, Goose Creek and Raft River Valley and areas south of the Snake River: Red Flag Warnings are in effect this afternoon and evening. West to southwest winds will gust 30 to 35 mph with humidity as low as 12 percent, allowing new fires to spread quickly. Routes potentially affected: I-84, I-86, US-93, US-95.

— Much of Wyoming, western South Dakota, northern Nebraska Panhandle, including the Black Hills, Bighorn Basin, Cody foothills and North Platte River Basin: Red Flag Warnings are in effect today. Southwest winds will gust 35 to 40 mph with humidity near 8 to 18 percent, supporting rapid fire spread from the Black Hills and Bighorn Basin through central and southern Wyoming into the northern Nebraska Panhandle. Routes potentially affected: I-25, I-80, I-90, US-14, US-16, US-18, US-20, US-26, US-30, US-85, US-191, US-212, US-287, US-385.

— Western and central Arizona and southern, west-central and central Utah: A flash-flood threat targets small portions of northwestern and west-central Arizona Saturday. Sunday, the flash-flood threat expands across western and central Arizona and into southern, west-central and central Utah. Routes potentially affected: I-8, I-10, I-11, I-15, I-17, I-19, I-40, I-70.

— A small portion of southwestern Arizona, including Yuma: An Extreme Heat Warning continues through this evening, with afternoon temperatures of 103 to 105°F. Routes potentially affected: I-8, US-95.

— Southern, central and east-central Arizona, including Yuma, the Tohono O’odham Nation, Organ Pipe Cactus National Monument, Phoenix area and Sonoran Desert: Wind Advisories are in effect Sunday. South to southwest winds will gust around 45 mph from Yuma through central Arizona, increasing to 45 to 55 mph across the Tohono O’odham Nation and nearby south-central deserts; showers and thunderstorms may produce the strongest gusts. Routes potentially affected: I-8, I-10, I-17, US-60, US-70, US-95.

— Much of Arizona: An isolated severe-weather threat covers western, central and south-central Arizona Saturday afternoon through Saturday night, with isolated severe wind gusts and perhaps a tornado. Sunday morning, an isolated severe-weather threat persists across central and western Arizona and part of east-central Arizona, with isolated severe wind gusts and a brief tornado possible. Routes potentially affected: I-8, I-10, I-17, I-19, I-40, US-60, US-70, US-89, US-89A, US-93, US-95, US-160, US-180, CA-62, CA-78.

Weather Impacts Central:

— The western and eastern Florida Panhandle, including the Pensacola, Santa Rosa, Okaloosa, Walton, Panama City and Wakulla coastal areas: Hurricane and Storm Surge Warnings cover much of the Panhandle. Coastal gusts range from 70 mph near Panama City to 105 mph near Destin, 120 mph near Pensacola and 130 mph near Santa Rosa; inland gusts reach 60 to 115 mph. Life-threatening surge ranges from 4 to 7 feet, peaking at 6 to 9 feet near the Okaloosa coast, with 3 to 8 additional inches of rain. Routes potentially affected: I-10, US-98, US-231.

— Southern Alabama, including the Mobile and Baldwin areas and south-central Alabama: HURRICANE WARNINGS cover southern Alabama, with Storm Surge Warnings around Mobile and central Baldwin. Gusts may reach 90 to 95 mph in south-central Alabama, 75 mph farther east and 50 to 70 mph near Mobile and Baldwin; 3 to 6 inches of rain may cause major flooding, and coastal surge may reach 3 to 5 feet. Routes potentially affected: I-10, I-65, US-29, US-43, US-84.

— A small portion of East Texas, and west-central and central Louisiana: A Red Flag Warning is in effect this afternoon and evening. Dry fuels, humidity near 31 percent and northeast winds of 5 to 10 mph may allow new fires to spread quickly. Routes potentially affected: I-49, US-71, US-165, US-167, US-171, US-190.

— A small portion of East Texas and a small portion of South Texas coast from the Coastal Bend to Galveston Island and Bolivar Peninsula, and southwestern and south-central Louisiana: Coastal Flood Advisories cover the region. Minor flooding of low-lying roads, lots and parks lasts through today near Galveston and the Louisiana coast and through Sunday morning along the Coastal Bend; dangerous rip currents continue near Galveston.

— A small portion of south-central Tennessee, and northern Alabama: A High Wind Watch is in effect Saturday morning through Sunday morning. Southeast winds may gust to 50 mph, with a high-end potential of 60 to 70 mph over higher terrain, where downed trees and widespread power outages are possible. Routes potentially affected: I-59, I-65, US-43, US-64, US-72, US-231, US-278, US-431.

— West and Middle Tennessee, northern and northeastern Mississippi, northern Alabama and a portion of the eastern Florida Panhandle: Flood Watches run from late tonight through Sunday morning. Saturday’s flash-flood threat spans West and Middle Tennessee, north-central and northeastern Mississippi, northern Alabama and part of the eastern Florida Panhandle; rainfall may reach 4 to 6 inches locally in northern Alabama and 3 inches in West Tennessee and northern Mississippi. Routes potentially affected: I-10, I-20, I-22, I-24, I-40, I-55, I-59, I-65, I-69, I-85.

— Southeastern Louisiana and the Mississippi Coast, extending into southeastern Mississippi: Storm Surge and Tropical Storm Warnings remain in effect, with a HURRICANE WARNING on the eastern Mississippi Coast. Life-threatening surge of 3 to 5 feet is possible through Saturday morning; wind gusts reach 45 to 55 mph, with downed trees, debris and power outages. Southeastern Mississippi also has around an inch of rain with significant localized flooding possible. Routes potentially affected: I-10, I-12, US-49, US-90, US-98, US-190.

— Central, eastern, northeastern and southeastern Mississippi: Tropical Storm Watches cover much of the region, while a Flood Watch begins this evening in central and eastern Mississippi. Gusts of 35 to 45 mph are possible; rainfall is generally around 1 to 3 inches, but northeastern and east-central Mississippi may receive 2 to 4 inches with locally higher totals and significant flooding. Routes potentially affected: I-20, I-55, I-59, US-45, US-49, US-82, US-84, US-98.

— Eastern Mississippi, much of Alabama, the Florida Panhandle and southwestern Georgia: Flood Watches cover southern Alabama, the Florida Panhandle and southwestern Georgia today into Saturday, with widespread 4 to 8 inches and localized 10 to 15 inches possible. There is a significant flash-flood threat within eastern Mississippi, much of Alabama and the Florida Panhandle. Routes potentially affected: I-10, I-20, I-22, I-59, I-65, I-85.

— Southern, central and east-central Alabama: Tropical Storm Warnings cover a broad swath of Alabama. Gusts generally reach 40 to 60 mph, but rise to 70 to 85 mph in parts of central and south-central Alabama. Rainfall ranges from 1 to 3 inches northward to 3 to 6 inches in southern Alabama, with major flooding and several tornadoes possible in the southeast and east-central areas. Routes potentially affected: I-65, I-85, US-29, US-43, US-80, US-82, US-84, US-231, US-431.

— Much of central and northern Alabama, extending into west-central and east-central Alabama: Tropical Storm Watches cover much of the region. Gusts of 35 to 55 mph are most common, with 65 mph possible in a few central Alabama areas; rainfall of 1 to 4 inches may cause flooding, while a few to several tornadoes are possible near the eastern state line. Routes potentially affected: I-20, I-22, I-59, I-65, I-85, US-29, US-43, US-80, US-82, US-84, US-231, US-431.

— Central and northern Alabama, including the Styx River near Elsanor in southern Alabama: A Flood Watch covers central and northern Alabama from this evening through Sunday morning, with 2 to 4 inches and local totals near 5 inches. A Flood Warning forecasts major flooding on the Styx River late tonight through Sunday afternoon, cresting near 17.6 feet Saturday and flooding nearby roads and RV parks. Routes potentially affected: I-10, I-20, I-22, I-59, I-65, I-85.

— Northern Alabama: A High Wind Watch is in effect late tonight through late Saturday night. East winds may gust to 45 mph, with downed trees, power lines and widespread outages possible. Routes potentially affected: I-20, I-22, I-59, I-65, US-43, US-231, US-278, US-431.

— Southern and east-central Alabama and the western and eastern Florida Panhandle: Severe thunderstorms are possible across southern Alabama and the Florida Panhandle today, with tornado-producing rainbands possible into tonight. Saturday, a severe-weather threat focuses on southeastern and east-central Alabama and portions of the western and eastern Panhandle, with a few tornadoes and severe wind gusts possible. Routes potentially affected: I-10, I-20, I-65, I-85, US-19, US-27, US-29, US-78, US-80, US-82, US-84, US-98, US-231, US-278, US-280, US-431.

— The western and eastern Florida Panhandle, from inland Panama City-area communities east through Tallahassee and nearby coastal areas: Tropical Storm Warnings cover the region. Gusts generally reach 35 to 45 mph, with 3 to 8 additional inches of rain and major flooding possible; several tornadoes are possible in portions of the eastern Panhandle. Routes potentially affected: I-10, US-27, US-98, US-231.

Weather Impacts East:

— A small portion of eastern Tennessee, a small portion of western North Carolina and northern, central and west-central Georgia, including the Smoky Mountains: High Wind Watches cover the region Saturday into Sunday morning. Gusts may reach 70 mph in the East Tennessee mountains, 60 mph in southeastern Tennessee and western North Carolina, and 50 mph across northern and central Georgia, with downed trees and widespread power outages possible. Routes potentially affected: I-20, I-24, I-26, I-40, I-59, I-75, I-85.

— A small portion of south-central Tennessee and a portion of southeastern Tennessee and a small portion of western North Carolina: A Flood Watch is in effect late tonight through Sunday morning. Rainfall of 1 to 2 inches with locally heavier totals may cause flash flooding along rivers, creeks and low-lying areas. Routes potentially affected: I-24, I-75, US-19, US-27, US-64, US-74, US-127.

— Portions of eastern Tennessee, western, eastern and coastal North Carolina, South Carolina, most of Georgia and northwestern Florida: Flash flooding is possible across the broad corridor Saturday, from eastern Tennessee and northwestern Florida across most of Georgia, South Carolina and portions of North Carolina. Routes potentially affected: I-10, I-20, I-40, I-74, I-75, I-85, I-95.

— A portion of southern New Jersey, central Maryland and Maryland’s Eastern Shore, the District of Columbia, Delaware, much of Virginia, much of North Carolina and much of South Carolina: An isolated severe-weather threat extends across the region Sunday into Sunday evening. Isolated storms may produce damaging wind gusts and perhaps a few tornadoes. Routes potentially affected: I-20, I-40, I-64, I-70, I-74, I-81, I-85, I-87, I-95.

— A small portion of eastern North Carolina, including the lower Cape Fear River and downtown Wilmington: A Coastal Flood Advisory is in effect from 8 to 11 AM today, with up to one-half foot of inundation spreading onto the lowest roads and parts of Water Street.

— Eastern, coastal and central North Carolina, South Carolina, Georgia and a small portion of the eastern Florida Panhandle and northwestern Florida: Severe thunderstorms are possible across the corridor Saturday through Saturday night. A few tornadoes are possible from Georgia into the Carolinas, accompanied by severe wind gusts. Routes potentially affected: I-10, I-16, I-20, I-26, I-40, I-73, I-74, I-75, I-77, I-85, I-95.

— A small portion of southwestern Georgia: Tropical Storm Warnings cover the region. Wind gusts of 40 to 45 mph and an additional 2 to 6 inches of rain may produce major flooding, while several tornadoes are possible. Routes potentially affected: US-27, US-84.

— Much of Georgia and small portions of northwestern Florida: Flood Watches cover much of Georgia and adjacent northwestern Florida today through Sunday. Most of Georgia may receive 1 to 3 inches with local totals near 5 inches; south-central and southwestern Georgia and northwestern Florida may receive 4 to 8 inches with localized 10 to 15 inches, producing considerable flash flooding. Routes potentially affected: I-10, I-16, I-20, I-24, I-59, I-75, I-85, I-95.

— Western, west-central and southwestern Georgia: Tropical Storm Watches cover a broad corridor across western and southwestern Georgia. Gusts of 35 to 45 mph are possible, with rainfall generally 1 to 6 inches and significant flooding; several tornadoes are possible across much of the watch area. Routes potentially affected: I-85, US-19, US-27, US-84, US-280.

— Southwestern and south-central Georgia and a small portion of the eastern Florida Panhandle and northwestern Florida: Severe thunderstorms and tornadoes are possible today in the broader corridor, with the severe-weather threat focused on the northwestern Florida Peninsula. Routes potentially affected: I-10, I-75, US-19, US-27, US-41, US-82, US-84, US-98, US-431.

— Western, south-central and central Georgia and a small portion of the eastern Florida Panhandle and northwestern Florida: Today’s excessive-rainfall outlook reaches significant flash-flood threat within this corridor, with significant flash-flood potential as tropical rainbands cross Georgia and northwestern Florida. Routes potentially affected: I-10, I-16, I-20, I-75, I-85, US-19, US-23, US-27, US-29, US-41, US-78, US-80, US-82, US-84, US-98, US-280, US-431.

— The eastern Florida Panhandle and northwestern and west-central Florida, including Port Saint Joe, Apalachicola, Steinhatchee and Cedar Key: Storm Surge and Tropical Storm Warnings cover the Gulf, Franklin and Taylor coastal areas, while a Storm Surge Watch extends to Cedar Key. Surge may reach 4 to 7 feet near Port Saint Joe, 4 to 6 feet farther east and 2 to 4 feet near Cedar Key; gusts reach 35 to 60 mph with 1 to 8 additional inches of rain. Routes potentially affected: I-10, US-19, US-27, US-98.

— Small portions of northwestern and west-central Florida, including the Withlacoochee River at Dunnellon, Cypress Creek and Little Manatee River: Flood Warnings cover three rivers. Minor flooding is occurring on the Withlacoochee River and is forecast on the Little Manatee River Friday night into Saturday and Cypress Creek beginning Saturday evening; docks, boat ramps and low recreation areas may flood. Routes potentially affected: I-75, US-41, US-301.

— Small portions of west-central and northeastern Florida, including the St. Johns River Basin and Trout River: Coastal Flood Advisories continue through Saturday morning or afternoon. Minor flooding may cover low-lying roads, parks and lots along the west-central coast, northeastern coast, St. Johns River Basin and Trout River; dangerous rip currents also affect parts of the coast.

— Northern and northeastern Florida, including the St. Johns River Basin: Flood Watches continue through late tonight. Saturated soils and another 1 to 3 inches with locally higher totals may cause flash flooding, with high tides potentially worsening flooding in parts of the St. Johns River Basin. Routes potentially affected: I-10, I-75, I-95, US-1, US-17, US-27, US-41, US-301.

Tropical Weather Outlook for the next 7 days:

— Hurricane Isaias, 200 miles south-southeast of the Mouth of the Mississippi River: Isaias has 110 mph winds and is likely to become a major hurricane before making landfall as a dangerous hurricane. Life-threatening Gulf Coast storm surge, damaging winds, tornadoes and widespread flooding rain will extend well inland across the Southeast through the weekend.

— Tropical Storm Rachel, 850 miles southwest of San Diego, California: Rachel has 50 mph winds and is forecast to accelerate northeast, cross northern Baja California late Saturday; its remnants move into the Southwest Sunday. Rainfall of 1 to 3 inches, locally 5 inches, may cause flash and urban flooding, with strong gusty winds and hazardous Southern California surf.

— Hurricane Simon, 200 miles south of Manzanillo, Mexico: Simon has 90 mph winds and is expected to rapidly intensify into a major hurricane before approaching southwestern and west-central Mexico Saturday. Rainfall of 8 to 15 inches, locally 25 inches, may cause life-threatening flooding and mudslides; no U.S. impacts are forecast.

Extended Hazard Outlook

Outlook Sunday, October 11th through Tuesday, October 13th:

— Sunday, October 11 through Monday, October 12: Much of Washington, northern Oregon, and northwestern Idaho: Frost or freeze concerns may create challenging conditions for RVers. Major highways potentially affected include I-84, I-90.

— Sunday, October 11 through Tuesday, October 13: California and the interior West through the Southwest into western Texas: Heavy rain may create localized flooding and reduced visibility. The broader western area is a Sunday concern, with the potential continuing Monday and Tuesday across the Southwest into western Texas. Major highways potentially affected include I-5, I-8, I-10, I-15, I-25, I-40, I-70, I-80, I-84.

— Sunday, October 11: California, the Great Basin, and the Southwest into western Colorado and southwestern Wyoming: High winds may create hazardous crosswinds for high-profile vehicles, especially near Cajon Pass, San Gorgonio Pass, Parleys Summit, and the Continental Divide in New Mexico. Major highways potentially affected include I-8, I-10, I-15, I-40, I-70, I-80, I-84.

— Sunday, October 11: From North Carolina and Virginia through the Mid-Atlantic to southeastern New York: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-64, I-76, I-85, I-95.

— Monday, October 12 through Tuesday, October 13: Montana, Wyoming, and western portions of the Dakotas: Frost or freeze concerns may create challenging conditions for RVers. Major highways potentially affected include I-25, I-90, I-94.

Extended Outlook Friday, October 16th through Saturday, October 17th:

— Friday, October 16 through Saturday, October 17: From southeastern New Mexico across much of Texas and Oklahoma into Arkansas and Louisiana: Heavy precipitation may develop, creating localized flooding and difficult travel. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40.

— Friday, October 16: Northern New York and New England from northern Massachusetts through Maine: Much below normal temperatures may develop, creating cold-weather travel concerns for RVers. Major highways potentially affected include I-87, I-91, I-95.

Confidence in the Extended Outlook:

Confidence is moderate overall. Large-scale guidance agrees fairly well, but uncertainty remains about the speed and evolution of the western pattern in the earlier period and differences among temperature and precipitation guidance later.

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Your route’s weather may vary from the general forecast — check your exact trip

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Weather Maps and National Outlooks

For current NWS hazards, severe-storm and hurricane outlooks, heavy-rain risk, wind, smoke, heat/winter risk, and other always-updating weather graphics, visit:

Access to real-time road information:

Phone numbers and websites for road conditions in all 50 states. Courtesy of the Cheyenne WY Weather Forecast Office

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