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

• Remnants of Tropical Storm Rachael bring significant flash flooding to parts of Southern California, Nevada, Utah, Arizona and southern Idaho today; damaging winds are also possible across portions of the Southwest.
• Remnants of Hurricane Isaias bring flash flooding to parts of the Carolinas and Virginia today; eastern Virginia and North Carolina face the chance for severe thunderstorms.
• Parts of western Montana face 6–20 inches of heavy wet snow and blowing snow through Monday.

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:

— Portions of the California Deserts, including the Coachella Valley, North Shore, Bombay Beach, Indio, Palm Desert and Thermal: FLASH FLOOD WARNINGS continue early this morning. Radar indicates ongoing or imminent flooding of creeks, streets, highways and underpasses after 0.5 to 1.5 inches of rain; expect rates of 1 to 3 inches in an hour with another 1 to 2 inches possible. Routes potentially affected: I-10, CA-86.

— A small portion of eastern Washington, including the Moses Lake area and Upper Columbia Basin: A Blowing Dust Advisory is in effect today. Northeast winds of 15 to 25 mph, gusting to 35 mph, may lower visibility to one-quarter to one mile at times. Routes potentially affected: I-90, US-2, US-395.

— A small portion of eastern Washington, a small portion of northern and western Oregon, and far northern California, including the Blue Mountain foothills, Kittitas Valley, Rogue, Applegate and Illinois valleys, Shasta, Scott and lower Klamath valleys: Freeze Warnings cover several valleys this morning and return to southwestern Oregon and far northern California Monday morning. A Freeze Watch calls for temperatures near 29°F in Washington’s Kittitas Valley tonight into Monday.

— A small portion of northern California, including the Redding metro, northern Sacramento Valley and adjacent foothills: A Red Flag Warning is in effect today and tonight. North to northeast winds of 15 to 25 mph may gust to 30 to 40 mph as humidity falls to 15 to 25 percent, allowing any fires to spread rapidly. Routes potentially affected: I-5, CA-36, CA-99, CA-162, CA-299.

   — California’s Central Coast and Bay Area, including San Francisco, Monterey Bay, Big Sur, San Francisco Bay and San Pablo Bay: Coastal Flood Advisories continue through Wednesday. High tides may produce minor to moderate flooding of low-lying roads, lots, parks and harbor areas; Central Coast surf may reach 8 to 12 feet, while the San Francisco and Monterey shoreline could see breaking waves to 16 feet and up to 1.4 feet of inundation.

— Southern and southeastern Nevada, a small portion of the California Deserts, and northwestern and west-central Arizona, including the Colorado River Valley, Lake Mead, Lake Mohave, Lake Havasu, the Spring Mountains and Sheep Range: High Wind Warnings are in effect through this evening. South winds of 35 to 45 mph may gust to 60 to 70 mph near the Colorado River and lakes, while interior southeastern Nevada may see 25 to 35 mph winds with 60 mph gusts; downed trees, power lines and widespread outages are possible. Routes potentially affected: I-11, I-15, I-40, US-93, US-95, CA-62.

— Central, eastern, southern and southwestern Nevada, central and Southern California and the California Deserts, and southwestern and west-central Arizona, including Death Valley, the Mojave Desert, Antelope and Coachella valleys, San Gorgonio Pass, the San Gabriel Mountains, the San Diego mountains and deserts: Wind Advisories span the region today, with many Southern California, Nevada and desert areas continuing into early Monday. Gusts generally reach 45 to 55 mph, with localized 60 mph gusts in mountain, foothill, pass and desert locations; tree limbs and isolated power outages are possible, and strong crosswinds affect exposed desert corridors. Routes potentially affected: I-5, I-8, I-10, I-11, I-15, I-40, I-80.

— Eastern, central and southern Nevada, the California Deserts and Southern California, and northwestern and west-central Arizona, including the Ruby Mountains, Mojave Desert, Joshua Tree, San Diego, the Colorado River lakes: Flood Watches remain in effect today into tonight, with flash flooding possible in washes, burn scars, steep terrain, urban areas and low-water crossings. A broader flash-flood threat in eastern, central and south-central Nevada and portions of Southern California includes an embedded significant flash-flood threat today. The San Diego River near Fashion Valley is forecast to approach action stage late this morning. Routes potentially affected: I-5, I-8, I-10, I-11, I-15, I-40, I-80.

— A small portion of south-central and southeastern Nevada: Isolated thunderstorms capable of severe wind gusts are possible this afternoon within an isolated severe-weather threat area as the remnants of Tropical Storm Rachel toward the Four Corners. Routes potentially affected: I-11, I-15, I-40, US-93, US-95.

   — A small portion of Southern California, including Malibu and the coast from Ventura through San Diego: Coastal Flood Warnings continue through 3 PM today, followed by Coastal Flood Advisories into Tuesday. The morning high tide may bring damaging flooding, water over beach roads, erosion and road closures; surf reaches 5 to 8 feet near Malibu and locally 9 feet farther south, with dangerous rip currents. Minor to moderate flooding persists after today. Routes potentially affected: I-5, I-8, I-10, I-15, CA-1, CA-78.

Weather Impacts Mountain:

— A small portion of north-central and northeastern Arizona, including Tuba City, Moenkopi and Moenkopi Wash: A FLASH FLOOD WARNING is in effect until 8 AM MST. Radar indicates life-threatening flash flooding is ongoing or imminent along Moenkopi Wash, with dangerous water and possible debris flows across roads and low-water crossings. Routes potentially affected: US-160.

   — Central, north-central, southwestern and south-central Montana, including East Glacier, the Rocky Mountain Front, MacDonald, Homestake and Judith gaps, the Butte and Gallatin areas, the Little Belt, Bridger, Crazy, Absaroka and Beartooth mountains: Winter Storm Warnings continue through midday Monday. Heavy wet snow generally totals 6 to 20 inches, with 4 to 8 inches in the Gallatin Valley, 12 to 18 inches in some higher mountains and isolated totals near 30 inches in the Bob Marshall Wilderness; gusts to 45 mph may bring blowing snow, downed branches and power outages. Routes potentially affected: I-15, I-90, US-2, US-12, US-87, US-89, US-191, US-212, US-287.

   — Northern, central, western, southwestern and south-central Montana, including the Bears Paw and Little Rockies, Bitterroot and Sapphire mountains, Helena and Madison valleys, Livingston, Bozeman Pass and the Bull Mountains: Winter Weather Advisories continue through midday Monday. Lower elevations generally receive 1 to 6 inches of wet snow, with 5 to 10 inches in favored mountains; gusts to 45 mph may produce blowing snow, poor visibility, slushy or snow-covered roads, downed branches and isolated outages. Routes potentially affected: I-15, I-90, US-2, US-12, US-87, US-89, US-191, US-287.

— Northwestern and west-central Montana, including the Flathead and Mission valleys and the east side of Flathead Lake: A Wind Advisory remains in effect through 3 PM today. Northeast to east winds of 10 to 20 mph may gust to 40 mph, with isolated 50 to 55 mph gusts near Flathead Lake; rough waves, downed limbs and isolated outages are possible. Routes potentially affected: US-93.

— Central, south-central, southeastern and eastern Idaho, much of Utah, and central and northern Arizona, including the Snake River Plain, Sun Valley, Wasatch and Uinta regions, Zion, Capitol Reef, Canyonlands, the Grand Canyon and Mogollon Rim: Flood Watches continue through tonight or Monday across the region. 1 to 3 inches may fall in Idaho, with flash flooding possible in Utah slot canyons, washes and burn scars and Arizona creeks and low-water crossings. Monday’s flash-flood threat focuses western and central Utah and western, north-central and central Arizona. Routes potentially affected: I-11, I-15, I-17, I-40, I-70, I-80, I-84, I-86.

— Central, southwestern, south-central and southeastern Wyoming, including the Green, Rattlesnake, Ferris, Seminoe and Shirley mountains and the northern Snowy Range foothills: High Wind Watches are in effect this afternoon through late tonight. South to southwest winds of 25 to 40 mph may gust to 60 to 65 mph, producing strong crosswinds across exposed portions of central and southern Wyoming. Routes potentially affected: I-25, I-80, US-20, US-26, US-30, US-287.

— Western, central and southeastern Utah and parts of southwestern Colorado, including the Wasatch Front, Great Salt Lake Desert, Sevier valleys, Bryce Canyon Country, central and southern Utah mountains, Canyonlands, the Dolores River valleys: A High Wind Warning covers western and southwestern Utah through early Monday, with gusts to 60 mph. Wind Advisories elsewhere bring widespread 45 to 50 mph gusts, while central and southern Utah mountains may reach 65 mph; downed limbs and isolated power outages are possible. Routes potentially affected: I-15, I-70, I-80, I-84, US-6, US-40, US-50, US-89, US-160, US-163, US-191, US-491.

— Southern and east-central Utah, western Colorado, and central and northern Arizona: Isolated severe thunderstorms are possible across the region today. Scattered storms may produce isolated severe wind gusts this afternoon along the Desert Southwest-to-Four Corners corridor. Routes potentially affected: I-8, I-10, I-11, I-15, I-17, I-40, I-70.

— Much of Arizona: Wind Advisories today. South to southwest winds of 15 to 35 mph may gust to 45 to 55 mph, strongest near showers, thunderstorms and higher terrain; tree limbs, isolated power outages and strong crosswinds are 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-160, US-163, US-180, US-191.

Weather Impacts Central:

— Much of Kansas, western Oklahoma and the Oklahoma Panhandle, the Texas Panhandle and Northwest Texas, southeastern and south-central Iowa, northern, west-central and central Missouri, and northwestern and west-central Illinois: Severe thunderstorms are possible Tuesday afternoon into night. A severe-weather threat is confined initially to western Oklahoma and far northern Texas, where supercells may initially produce large hail, with tornado potential increasing during the evening and damaging winds becoming more likely if storms organize; isolated severe weather may then extend across the broader six-state area. Routes potentially affected: I-27, I-29, I-35, I-40, I-49, I-64, I-70, I-72.

— A small portion of South Texas and East Texas along the Coastal Bend: A Coastal Flood Advisory remains in effect until 1 AM Tuesday. Minor coastal flooding may cover low-lying lots, parks and roads, with isolated road closures possible.

Weather Impacts East:

— A small portion of western Virginia, including Roanoke, Salem, Vinton and Rocky Mount: A FLASH FLOOD WARNING is in effect until 11:15 AM. Between 1.5 and 3 inches has fallen, with rainfall rates of 1 to 2 inches per hour and another 0.5 to 1 inch possible; flash flooding of creeks, streets, highways, underpasses and other low-lying areas is ongoing or imminent. Routes potentially affected: I-81, US-460.

— A small portion of western North Carolina and a small portion of Upstate South Carolina, including Lake Lure, Chimney Rock, Hendersonville, Boone, Marion, Spruce Pine and Morganton: FLASH FLOOD WARNINGS and Flood Warnings continue this morning. Torrential bands may produce 1 to 2.5 inches in less than an hour over saturated ground, while 3 to 7 inches has already fallen in several western North Carolina areas. Life-threatening creek and stream flooding, water over roads, flooded campgrounds and isolated landslides are possible; deeper runoff flooding is already occurring near Hendersonville and Morganton. Routes potentially affected: I-26, I-40, US-19E, US-25, US-64, US-70, US-74, US-421.

— Michigan’s Upper Peninsula, with the Red Flag Warning focused on the western Upper Peninsula: A Red Flag Warning is in effect through 6 PM today in the western Upper Peninsula, where southwest winds may gust to 25 mph and humidity falls near 32 percent. Elsewhere across much of the Upper Peninsula, gusts to 30 mph, warmth and dry fuels maintain elevated wildfire potential. Routes potentially affected: I-75, US-2, US-41, US-45.

— A small portion of central Kentucky, including Hodgenville, Munfordville, Upton and Sonora: A Flood Advisory remains in effect through early this morning. One to 3 inches has fallen, with another 0.5 to 1 inch expected, causing minor flooding in low-lying and poor-drainage areas. Routes potentially affected: I-65, US-31E.

— North-central, central, southern and eastern West Virginia, western Maryland, southwestern and Blue Ridge Virginia, and southwestern and west-central Pennsylvania: Wind Advisories continue through late morning or early afternoon. East to southeast winds may gust to 40 mph across much of West Virginia and southwestern Pennsylvania, 45 mph in west-central Pennsylvania, and 50 mph in western Maryland and Virginia’s Blue Ridge; downed limbs and isolated power outages are possible. Routes potentially affected: I-64, I-68, I-70, I-76, I-77, I-79.

— Eastern West Virginia, southern New Jersey, most of Maryland, the District of Columbia, Delaware, most of Virginia, much of North Carolina, and eastern South Carolina: Severe thunderstorms are possible today, with isolated severe wind gusts and a tornado or two. Routes potentially affected: I-20, I-40, I-64, I-70, I-74, I-81, I-85, I-87, I-95.

— A portion of Upstate New York and northwestern and north-central Pennsylvania: An isolated severe-weather threat is forecast Tuesday. Isolated locally damaging winds and perhaps a tornado are possible where afternoon storms become sustained. Routes potentially affected: I-79, I-81, I-86, I-88, I-90, I-99.

— Central Maryland, Delaware, and eastern Virginia, including Annapolis and the Northern Neck and Tidewater shorelines: Coastal Flood Advisories are in effect today. Up to one foot of inundation is expected in central Maryland and eastern Virginia, with one-half foot in Delaware; shallow water may cover vulnerable waterfront roads, parking areas and parks around high tide, with some road closures possible.

— Western, southwestern, south-central, northern and central Virginia, a small portion of western North Carolina and a small portion of central North Carolina, and a small portion of central Maryland, including the Virginia Blue Ridge and Shenandoah Valley: Flood Watches and Flood Advisories cover parts of the region today. Minor flooding is already occurring in portions of western Virginia and the Virginia-North Carolina border area. Along the Virginia Blue Ridge, 2 to 3 inches is expected with pockets of 3 to 5 inches, and flash flooding is possible across northern and central Virginia and a small portion of central Maryland. Routes potentially affected: I-64, I-66, I-70, I-74, I-77, I-81.

— Coastal and eastern North Carolina and eastern and Lowcountry South Carolina, including the lower Cape Fear River, Wilmington, Charleston and the Intracoastal Waterway: Coastal Flood Advisories cover parts of the Carolina coast this morning. Up to one-half foot of inundation may flood vulnerable roads and tidal-creek locations, while surf reaches 2 to 5 feet along part of the North Carolina coast; dangerous rip currents accompany the flooding from coastal North Carolina into South Carolina.

— A small portion of western North Carolina and a small portion of central North Carolina and a small portion of Upstate South Carolina, including the French Broad and Broad rivers and the Asheville, Boone, Winston-Salem, Shelby, Spartanburg and Greenville areas: Flood Advisories remain in effect this morning, with river advisories lasting into Monday or Tuesday. Saturated ground and 2.5 to 7 inches of prior rainfall are causing minor flooding, swollen streams, ponding and water over some roads; another 0.75 to 1.25 inches may aggravate flooding in the western North Carolina mountains, while the Broad and French Broad rivers continue rising. Routes potentially affected: I-26, I-40, I-85, US-19E, US-25, US-29, US-52, US-64, US-70, US-74, US-158, US-421.

— Western North Carolina, Upstate South Carolina, and a small portion of north-central Georgia and a portion of northeastern Georgia: A Flood Watch remains in effect through this afternoon. Another 1 to 2 inches with locally higher amounts may cause renewed flash flooding of rivers, creeks, low-water crossings and saturated mountain slopes after earlier heavy rain. Routes potentially affected: I-26, I-40, I-85, US-19, US-19E, US-23, US-25, US-64, US-70, US-74, US-76.

— Eastern and coastal North Carolina, and eastern South Carolina, including the Cape Fear area, Outer Banks, Ocracoke and Hatteras islands: Flood Watches continue through late morning or early afternoon. Additional rainfall of 1 to 3 inches may cause flash flooding in low-lying, urban and poor-drainage areas; persistent thunderstorms could produce locally higher totals, including isolated amounts near 6 inches in the Cape Fear area. Routes potentially affected: I-40, US-17, US-64, US-70, US-74, US-76, US-158, US-264, US-421, NC-12.

— A small portion of northeastern Florida, including the St. Johns River basin and Trout River: Coastal Flood Advisories remain in effect through 5 PM today. Minor flooding may cover low-lying lots, parks and roads near the Atlantic coast and tidal portions of the St. Johns and Trout rivers, with isolated road closures possible.

— West-central and northwestern Florida, including Cypress Creek near Worthington Gardens and the Withlacoochee River near Dunnellon: Flood Warnings continue on Florida rivers. Minor flooding is occurring along the Withlacoochee River and is forecast to persist for several days, flooding docks and boat ramps; Cypress Creek is forecast to reach minor flood stage early Tuesday and may continue rising. Routes potentially affected: I-75, US-41.

Tropical Weather Outlook for the next 7 days:

— Post-Tropical Cyclone Isaias, 65 miles southeast of Nashville, Tennessee: Isaias is moving northeast with 25 mph winds. Heavy rain spreads into the Central Appalachians and Mid-Atlantic today, with 1 to 3 inches and localized 5-inch totals, isolated flash and urban flooding, strong gusts with tree and power-line damage, and a couple of tornadoes possible across the Virginia and North Carolina Piedmont and Coastal Plain.

— Post-Tropical Cyclone Rachel, 60 miles east-northeast of San Diego, California: Rachel is moving north at 25 mph with 50 mph winds and should dissipate this afternoon. Its remnants will bring 1 to 3 inches of rain with localized 5-inch totals, significant flash and urban flooding, damaging higher-terrain gusts, and worsening coastal flooding, erosion, surf and rip currents across the southwestern United States and Southern California.

— Hurricane Simon, 60 miles west-southwest of Manzanillo, Mexico: Simon is a Category 4 hurricane with 155 mph winds and is expected near or over west-central Mexico today. Additional rainfall of 10 to 20 inches, isolated to 30 inches, may cause life-threatening flooding and mudslides; destructive coastal waves and storm surge are also expected, with no direct U.S. threat indicated.

Extended Hazard Outlook

Outlook Tuesday, October 13th through Saturday, October 17th:

— Tuesday, October 13: 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.

— Tuesday, October 13: Much of Montana and Wyoming, western North Dakota, and northwestern South Dakota: Frost or freeze concerns may create challenging conditions for RVers. Major highways potentially affected include I-25, I-90, I-94.

— Tuesday, October 13: Parts of southwestern Kansas, northwestern Oklahoma, and northern Texas: Severe weather may create rapidly changing and hazardous travel conditions. Major highways potentially affected include I-40.

— Wednesday, October 14: Southeastern Kansas and much of Oklahoma, Missouri, and Arkansas, with northeastern Texas and southwestern Illinois: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-29, I-35, I-40, I-55, I-64, I-70.

— Friday, October 16 through Saturday, October 17: Southeastern Arizona and southwestern New Mexico: Strong winds may create difficult driving for high-profile vehicles. Major highways potentially affected include I-10.

— Friday, October 16: Parts of eastern Wyoming and much of South Dakota, with southeastern Montana, northeastern Colorado, and northwestern Nebraska: Frost or freeze concerns may create challenging conditions for RVers. Major highways potentially affected include I-25, I-80, I-90.

Extended Outlook Sunday, October 18th through Monday, October 19th:

— Sunday, October 18 through Monday, October 19: Much of Ohio, the central Appalachians, interior portions of the Mid-Atlantic, and much of the Northeast: Much below-normal temperatures may develop, creating cold-weather travel concerns. Major highways potentially affected include I-64, I-70, I-71, I-76, I-79, I-80, I-81, I-84, I-87, I-90, I-91, I-95.

Confidence in the Extended Outlook:

Confidence starts with fairly good large-scale agreement but decreases after Thursday as the evolving pattern becomes more uncertain. Confidence is higher for the later large-scale pattern, although precipitation details remain uncertain.

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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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