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

• Heat spans Kansas and western Missouri through Oklahoma, Texas, Arkansas, Louisiana, and Mississippi today, with the highest heat index values briefly above 111 degrees in southern Texas and some areas remaining hot Tuesday.
• Large hail, isolated damaging winds, and a localized tornado threat may disrupt routes across North Dakota, South Dakota, Nebraska, and western Minnesota today, followed by hail and strong winds from eastern Nebraska into Wisconsin and Iowa Tuesday.
• Heavy rain threatens northwestern, north-central, and west-central Montana today and Tuesday, with additional totals reaching 4 inches locally and flooding possible on low roads and crossings.

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:

— Central and south-central Oregon and northern California: A Freeze Warning is in effect early today, with widespread frost and temperatures as low as 29 degrees in the Klamath Basin and nearby portions of Oregon and northern California.

— Coastal portions of southern California: Coastal Flood Advisories continue today and Tuesday. Evening high tides may flood vulnerable low-lying roads and shoreline areas, while large breaking waves, strong rip currents and beach erosion are also expected.

— Southeastern California: Extreme Heat Warnings cover the Imperial Valley area Tuesday through Friday, with afternoon temperatures of 106 to 112 degrees. The Palo Verde and Chuckwalla valleys are under warnings Wednesday through Friday, with highs of 102 to 111 degrees. I-8, I-10, US-60, US-95, CA-62, CA-78, CA-86 impacted.

Weather Impacts Mountain:

— Northwestern, north-central and west-central Montana: Flood Watches continue today and Tuesday. Along the Rocky Mountain Front, 0.75 to 1.5 inches of rain has already fallen, with another 1 to 3 inches possible and isolated totals near 4 inches along and north of US-2. Elsewhere, another 1 to 2 inches is expected in valleys and more than 3 inches in higher terrain, especially near the Continental Divide and Glacier National Park. Flooding, runoff and road impacts are possible. I-15, I-90, US-2, US-12, US-89, US-93, US-287 potentially impacted.

— Northeastern Montana and northeastern Colorado: Severe thunderstorms may produce large hail and damaging winds today. I-70, I-76, I-80, I-94, US-2, US-6, US-24, US-30, US-34, US-36, US-385 potentially impacted.

— North-central, northeastern and east-central Wyoming: Red Flag Warnings are in effect today. Gusts may reach 30 mph in northwestern and north-central Wyoming and 35 mph farther east, allowing any fire that starts to spread rapidly and potentially create smoke or sudden travel restrictions. I-90, US-14, US-16, US-18, US-20, US-85 impacted.

— Central and southwestern Arizona: Extreme Heat Warnings cover the Gila River Valley, Yuma and Phoenix areas Tuesday through Thursday, with afternoon temperatures generally reaching 104 to 109 degrees and 107 to 109 around Yuma. Parker Valley and central La Paz County remain under warnings Wednesday through Friday, with highs of 102 to 111 degrees. I-8, I-10, I-17, US-60, US-95 impacted.

Weather Impacts Central:

— North Dakota, central and western South Dakota, northeast, central and southwestern Nebraska, and western, north-central and central Minnesota: Severe thunderstorms are expected today. Widely scattered severe storms capable mainly of large hail and damaging winds are expected from northwest and central North Dakota through southeastern South Dakota into northeastern Nebraska this afternoon and evening; a tornado or two is possible specifically in southeastern South Dakota. I-29, I-76, I-80, I-90, I-94, US-2, US-6, US-10, US-12, US-14, US-18, US-20, US-26, US-30, US-34, US-52, US-53, US-59, US-71, US-77, US-81, US-83, US-85, US-136, US-169, US-212, US-281, US-385 potentially impacted.

— Southwestern South Dakota: A Red Flag Warning is in effect today around the Fall River County area. Winds of 15 to 25 mph with gusts up to 35 mph may support rapid fire spread and lead to smoke or sudden road restrictions. I-90, US-14, US-16, US-18, US-85 impacted.

— South-central and eastern Nebraska, north-central and northeast Kansas, eastern and southern Minnesota, most of Wisconsin and Iowa, and northwestern Missouri: Strong to severe thunderstorms may produce hail and strong wind gusts Tuesday. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-70, I-80, I-90, I-94 potentially impacted.

— Central and eastern Kansas and western Missouri: Extreme Heat Warnings and a Heat Advisory continue today, with heat alerts remaining across much of the region Tuesday. Heat-index values of 100 to 107 degrees. I-29, I-35, I-44, I-49, I-70, US-36, US-50, US-54, US-56, US-59, US-60, US-77, US-400 impacted.

— Much of Oklahoma, north-central, eastern and south-central Texas, western and southern Arkansas, Louisiana, and central and southern Mississippi: Heat Advisories and hot, humid conditions affect the region today, with heat indices generally reaching 105 to 111 degrees. A few South Texas locations may briefly exceed 111 this afternoon or evening. The advisory continues Tuesday across southern and central Oklahoma and North Texas. I-2, I-69, I-69C, I-69E, US-77, US-83, US-281 impacted.

— Eastern, central and southern Iowa: Heavy thunderstorms near a slow-moving front may cause flash flooding Tuesday, including localized road flooding and travel delays. I-29, I-35, I-80, US-6, US-18, US-20, US-34, US-61, US-63, US-69, US-71 potentially impacted.

— Central and southern Missouri and central and southern Illinois: Isolated strong to severe thunderstorms are possible Wednesday, with brief hazardous driving and localized delays near the strongest storms. I-44, I-49, I-55, I-57, I-64, I-70, I-72, I-74 potentially impacted.

— Most of Louisiana, central and southern Mississippi, and southwestern Alabama: Thunderstorms may produce locally damaging wind gusts this afternoon and evening. I-10, I-12, I-20, I-49, I-55, I-59, I-65 potentially impacted.

Weather Impacts East:

— A small portion of west-central North Carolina: A FLASH FLOOD WARNING remains in effect until 9:15 AM EDT. Between 2 and 4 inches of rain has fallen, with another 0.5 to 2 inches possible through mid-morning. Rapid flooding may cover I-40, US-64 and other roads. I-40, US-64 impacted.

— Western Upper Peninsula of Michigan: Strong to severe thunderstorms may produce hail and strong wind gusts Tuesday. US-2, US-8, US-41, US-45, US-51, US-141 potentially impacted.

— Much of Indiana and Ohio: Isolated strong to severe thunderstorms are possible Wednesday. I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-80, I-90 potentially impacted.

— Coastal portions of southeastern North Carolina: A Coastal Flood Advisory is in effect from 6 PM to 11 PM EDT today. Up to one-half foot of inundation may flood low-lying roads near shorelines and tidal waterways, including areas near the lower Cape Fear River and downtown Wilmington.

— Southwestern Georgia and northwestern Florida: A Heat Advisory is in effect today, with heat-index values up to 109 degrees.

Tropical Weather Outlook for the next 7 days:

— Southern California and Baja California Peninsula coasts: Tropical Storm Marie, about 700 miles southwest of San Diego, has maximum sustained winds near 65 mph and is moving northwest at 8 mph. Marie will continue weakening, but its swells are likely to produce life-threatening surf and rip currents along parts of the Southern California and Baja California Peninsula coasts for the next couple of days.

Extended Hazard Outlook

Outlook Wednesday September 9th through Sunday September 13th:

— Wednesday, September 9: Portions of eastern Montana, most of North Dakota, and small portions of northwestern Minnesota: High winds may create hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-29, I-94.

— Wednesday, September 9 through Saturday, September 12: Across much of Kansas, Oklahoma, and Texas through Missouri and Arkansas into parts of the Lower Mississippi Valley and Mid-South: Hazardous heat may create challenging conditions. The eastern extension into the Mid-South is supported through Thursday, September 10. Major highways potentially affected include I-10, I-20, I-29, I-30, I-35, I-40, I-55, I-64, I-70.

— Wednesday, September 9 through Thursday, September 10: From eastern Kansas and Missouri through the mid-Mississippi and Ohio Valleys: Heavy rain may create localized flooding and difficult travel conditions. Major highways potentially affected include I-29, I-35, I-55, I-64, I-65, I-70, I-71, I-74, I-75.

Extended Outlook September 14th through 20th:

— Monday, September 14 through Friday, September 18: From southeastern California across the Southwest and Intermountain West to Colorado and southwestern Wyoming: Heavy precipitation may develop, creating localized flooding and difficult travel conditions. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40, I-70, I-76, I-80, I-84.

Confidence in the Extended Outlook:

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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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