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

• Coastal flooding threatens the Outer Banks and parts of the Virginia-Maryland coast into Tuesday, with 2–4 feet of inundation, overwash and numerous road closures possible on Hatteras Island.
• Strong Gulf Coast winds may down limbs and cause outages from coastal Texas to the Florida Panhandle today, with renewed road blockages possible in parts of Mississippi, Alabama and the western Panhandle.
• Santa Ana winds bring gusts to 55 mph, possible outages and rapid-fire-growth risk to parts of Southern California today.

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

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Significant travel weather for the next 2-3 days.

Weather Impacts Pacific:

   — Portions of Southern California and the California Deserts, including the Inland Empire, San Gorgonio Pass, inland valleys, and nearby mountains: High Wind Warnings continue today. Inland valleys and the Inland Empire can see easterly gusts of 35 to 55 mph through this evening, while mountain areas and San Gorgonio Pass can see gusts of 45 to 50 mph through midnight, with downed trees, power lines, and outages possible. Routes potentially affected: I-8, I-10, I-15, CA-18, CA-62, CA-78.

   — A portion of Southern California, including the Santa Monica, Santa Susana and San Gabriel Mountains, nearby valleys, foothills, and the Malibu coast: Red Flag Warnings remain in effect through this evening. Santa Ana winds can gust to 55 mph with humidity as low as 8 to 25 percent, supporting rapid fire growth and extreme fire behavior with any new ignition. Routes potentially affected: I-5, I-10, US-101, CA-1, CA-2, CA-14, CA-18, CA-138.

   — A small portion of Southern California, including mountains, valleys, inland areas, and the Malibu coast: Wind Advisories continue into midday or early afternoon. Northeast winds can gust to 55 mph in mountains, valleys, and coastal areas, with gusts of 25 to 35 mph farther inland; tree limbs may fall and scattered power outages are possible. Routes potentially affected: I-5, US-101, CA-1, CA-2, CA-14, CA-138.

— Small portions of California’s Central Coast and Southern California, including coastal and inland areas: Heat Advisories remain in effect through this evening. Highs will reach the upper 80s to mid-90s, with temperatures around 95 in some coastal and inland areas.

Weather Impacts Mountain:

— Small portions of northwestern, north-central and west-central Montana, including the Rocky Mountain Front and East Glacier Park region: High Wind Warnings are in effect from mid-morning to midnight today. Southwest winds of 30 to 50 mph will gust to 75 to 80 mph, with isolated gusts near 90 mph along the immediate eastern slopes of the Rocky Mountain Front; the strongest winds are likely this afternoon and early evening. Routes potentially affected: I-15, US-2, US-89, US-287.

— A small portion of southeastern Wyoming and a small portion of south-central Wyoming, including the Laramie Range and Snowy Range foothills: A High Wind Warning is in effect through early this evening. West winds of 25 to 35 mph will gust to 60 mph, producing strong crosswinds. Routes potentially affected: I-25, I-80.

   — Southeastern Arizona and a portion of south-central Arizona, including Tucson, the Upper Santa Cruz and San Pedro valleys, and nearby mountains: A High Wind Warning continues through the pre-dawn hours this morning, followed by a Wind Advisory through this afternoon. Gusts of 55 to 75 mph early ease to 50 to 60 mph later this morning, with possible tree and power-line damage, outages, and blowing dust reducing visibility below one mile. Routes potentially affected: I-10, I-19, US-70, US-191.

   — A small portion of central, east-central and south-central Arizona, including the Salt River area and the Mazatzal and Superstition Mountains: A Wind Advisory continues through late this morning. East winds of 20 to 30 mph will gust to 45 mph, with localized blowing dust briefly reducing visibility below one mile. Routes potentially affected: I-8, I-10, US-60, US-70.

Weather Impacts Central:

— Small portions of south-central and southwestern Oklahoma and North-Central Texas, including the Canadian and Red rivers: A Flood Warning continues along the Canadian River in south-central Oklahoma through late Monday night, where moderate flooding is forecast and low-lying roads may be inundated as the river crests Sunday morning. A Flood Watch covers the Red River in southwestern Oklahoma and North-Central Texas on Sunday, when flood stage may be reached. Routes potentially affected: I-44, US-70, US-277, US-281.

   — A small portion of East Texas, much of Louisiana and Mississippi: Red Flag Warnings are in effect today. North to northeast winds will gust to 25 to 35 mph with humidity as low as 28 to 31 percent, allowing any fire that develops to spread quickly. Routes potentially affected: I-10, I-12, I-20, I-49, I-55, I-59.

   — Coastal South and East Texas, western, central and southern Louisiana, southern Mississippi, central and southern Alabama, and the Florida Panhandle: Wind Advisories cover much of the Gulf Coast today. North winds will gust to 35 to 40 mph, with downed limbs and scattered outages possible; in southern Mississippi, southern Alabama, and the western Florida Panhandle, compromised trees and storm debris may cause renewed outages and road blockages. Routes potentially affected: I-10, I-12, I-37, I-45, I-49, I-55, I-59, I-65.

Weather Impacts East:

   — Northeastern, east-central and west-central Indiana, and northwestern and west-central Ohio: Freeze Warnings are in effect later tonight and Sunday morning. Lows of 30 to 32 degrees are expected.

   — East-central and southeastern Indiana, much of Ohio, north-central and northeastern Kentucky, much of West Virginia, a small portion of Southwest Virginia, and western and northwestern Pennsylvania: Freeze Warnings are in effect later tonight and Sunday morning. Temperatures will fall into the upper 20s and lower 30s.

   — The Eastern Mountains, Eastern Panhandle and southern West Virginia, western and central Maryland, northern, western and southwest Virginia including the Shenandoah Valley, and western North Carolina: Freeze Warnings are in effect later tonight and Sunday morning. Lows in the upper 20s and lower 30s are expected.

   — Southern Connecticut, Downstate and western New York and the Finger Lakes, northern and central New Jersey, and most of Pennsylvania: Freeze Warnings are in effect later tonight and Sunday morning. Lows of 25 to 32 degrees are expected, with the coldest temperatures in sheltered Pennsylvania valleys.

— Maryland’s Eastern Shore, Virginia’s Eastern Shore, Tidewater Virginia, and a small portion of Central Virginia: Coastal Flood Advisories cover Tidewater Virginia this afternoon, with up to one foot of inundation near shorelines and tidal waterways. Coastal Flood Watches cover the broader Maryland and Virginia coast Monday afternoon through Tuesday morning, when one to two feet of inundation, road closures, property flooding, and shoreline erosion are possible; surf may reach 8 to 14 feet along exposed beaches. Routes potentially affected: I-64, US-13, US-17, US-50, US-58, US-60, US-460.

— A small portion of Virginia Tidewater and the North Carolina Outer Banks: Wind Advisories begin this morning. North winds of 25 to 35 mph with gusts to 50 mph continue in Virginia Tidewater and the northern Outer Banks through Sunday morning; farther south along the North Carolina Outer Banks, gusts of 45 to 50 mph persist through Monday evening, with limbs and scattered outages possible. Routes potentially affected: I-64, US-13, US-58, US-60, US-64, US-70, US-158, US-264, NC-12.

— The North Carolina Outer Banks and a small portion of coastal North Carolina, including Hatteras and Ocracoke islands, Bogue Sound, and the Pamlico Sound area: A Coastal Flood Warning covers Hatteras Island from late today through Tuesday morning, with 2 to 4 feet of inundation, ocean overwash, numerous road closures, and flooded vehicles possible. Coastal Flood Advisories elsewhere bring 1 to 3 feet of inundation through Monday or Tuesday, while a Coastal Flood Watch covers a small portion of the northern Outer Banks Monday afternoon through Tuesday morning; surf may reach 7 to 15 feet. Routes potentially affected: NC-12.

— A portion of the South Carolina Lowcountry and northwestern, north-central, east-central and southeastern Georgia: Wind Advisories cover northwestern and north-central Georgia through noon today, with north winds gusting to 30 to 35 mph. Farther southeast, gusts near 40 mph are possible on taller bridges and elevated roadways around the South Carolina Lowcountry and Georgia coast. Routes potentially affected: I-16, I-26, I-75, I-95, US-17, US-19, US-52, US-76, US-78.

— A portion of southeastern Florida: Flash flooding is possible across a portion of southeastern Florida today, with possible flash flooding. Routes potentially affected: I-75, I-95, US-1, US-27, US-41, US-98, FL-A1A.

Tropical Weather Outlook for the next 7 days:

— Eastern Pacific west-southwest of Acapulco, Mexico: Hurricane Trudy has 90 mph winds and is moving northwest at 8 mph. It may strengthen today while approaching southwestern and west-central Mexico, bringing damaging winds, storm surge, large surf, and 4 to 8 inches of rain with isolated totals near 15 inches and life-threatening flooding or mudslides through the weekend.

Extended Hazard Outlook

Outlook Monday, October 19th through Friday, October 23rd:

— Monday, October 19: Portions of northeastern North Carolina and small portions of eastern Virginia and southeastern Maryland: Strong winds may create hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-64.

Extended Outlook Saturday, October 24th through Friday, October 30th:

— Saturday, October 24: Southeastern New Mexico and most of Oklahoma and Texas: Heavy precipitation may develop, creating localized flooding or difficult travel. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40.

— Saturday, October 24 through Monday, October 26: Most of Florida, Georgia, and the Carolinas into much of Virginia and southeastern Maryland: Strong winds may develop, creating hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-4, I-10, I-20, I-40, I-64, I-74, I-75, I-85, I-87, I-95.

Confidence in the Extended Outlook:

Confidence is generally average to above average early, with good agreement on the large-scale pattern. Uncertainty remains in the placement of the East Coast low and timing of the western trough, and confidence decreases toward the end of the extended period.

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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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