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

• Scattered severe storms and flash flooding may disrupt travel across Georgia, South Carolina, and parts of North Carolina this afternoon and early evening, with damaging winds and water over low roads possible.
• Persistent heat spans much of Kansas and Oklahoma through northern Texas, the mid-Mississippi Valley, and Alabama today, with heat index values reaching up to 112 degrees. Heat continues throughout the week across the Southern Plains and lower Mississippi Valley.
• Heavy rain may trigger flash flooding across central and southern Utah today, with rainfall rates locally reaching 1 inch per hour in dry washes, slot canyons, and burn-scar areas

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:

— South-central Oregon and northeastern California: A Freeze Watch is in effect from 3 to 9 a.m. Monday, with temperatures as low as 30 degrees.

— Southern California’s coast from Ventura County through San Diego County, including Catalina and Santa Barbara Islands: Coastal Flood Advisories continue today through Tuesday, with minor to moderate coastal flooding and breaking waves locally up to 10 feet. Seawater may cover vulnerable low-lying coastal roads and parking areas, with isolated road closures possible.

Weather Impacts Mountain:

— Southwestern Montana: A Red Flag Warning is in effect today, with wind gusts up to 40 mph supporting rapid fire spread. I-15, I-90, US-287 impacted.

— Most of Montana, central and eastern Idaho, eastern Wyoming, northwestern Utah, and northeastern Colorado: Scattered severe thunderstorms are possible this afternoon and evening, with large hail and damaging wind possible. The greatest risk of severe weather will be across north-central, central and southwest Montana. I-15, I-25, I-70, I-76, I-80, I-84, I-86, I-90, I-94 potentially impacted.

— Northwestern Montana: Flash flooding is possible Monday as moderate to locally heavy rain persists into Monday night following rain Sunday night. Water may cover low roads and crossings. I-15, US-2, US-87, US-89, US-93, US-287 potentially impacted.

— Northeast, central and southwest Utah, including Zion and Bryce Canyon National Parks: A Flood Watch is in effect today into early Monday, with rainfall rates of over 1/2 inch per hour. Flash flooding may affect dry washes, slot canyons, low-lying areas, and recent burn scars. I-15, I-70, US-6, US-40, US-50, US-89, US-191 potentially impacted.

Weather Impacts Central:

— Northwestern and north-central North Dakota and the James River Valley: A Special Weather Statement covers patchy fog early this morning, with visibility falling to one-quarter mile or less and changing rapidly over short distances. I-94, US-2, US-52, US-83, US-85, US-281 impacted.

— North Dakota, most of South Dakota, eastern Nebraska as well as the Nebraska Panhandle, eastern Kansas, western Minnesota, central and western Iowa and Missouri, most of Arkansas, northeast Louisiana, most of Mississippi, Alabama, and the northern Florida Panhandle: Isolated severe thunderstorms are possible today, with damaging wind and hail. I-10, I-20, I-22, I-24, I-29, I-30, I-35, I-40, I-44, I-49, I-55, I-59, I-65, I-69, I-70, I-80, I-85, I-90, I-94 potentially impacted.

— North Dakota, most of South Dakota, northern, central and western Nebraska, and much of Minnesota: Isolated severe thunderstorms are possible Monday afternoon and evening, with damaging wind and hail possible. I-29, I-35, I-76, I-80, I-90, I-94 potentially impacted.

— Southeastern South Dakota, central and eastern Nebraska, eastern, central and southern Minnesota, central and westernWisconsin, and most of Iowa: Isolated severe thunderstorms are possible Tuesday. I-29, I-35, I-35E, I-35W, I-39, I-80, I-90, I-94 potentially impacted.

— Southeastern South Dakota, southwestern Minnesota, and western Iowa: Flash flooding is possible today as afternoon thunderstorms develop along a narrow corridor of moisture. Heavy rain may cover low roads and crossings. I-29, I-80, I-90, US-6, US-14, US-18, US-20, US-30, US-34, US-59, US-71, US-77, US-81 potentially impacted.

— Much of Kansas and Oklahoma, northern Texas, central and western Missouri, western Kentucky, western and southern Tennessee, most of Arkansas, northern Louisiana, northern, central, and southeastern Mississippi, and central and northern Alabama: Extreme Heat Warnings and Heat Advisories are in effect today, with heat index values locally up to 112 in western Arkansas. Dangerous heat continues Monday across much of Oklahoma and northern Texas and through Tuesday across much of Kansas and west-central Missouri. I-29, I-35, I-40, I-44, I-49, I-70 impacted.

— Parts of west-central and southern Wisconsin and adjacent north-central Illinois: Dense Fog Advisories continue through 9 a.m. today, with visibility of one-quarter mile or less. I-39, I-88, I-90, I-94, US-61 impacted.

Weather Impacts East:

— Western Michigan Upper Peninsula: Isolated severe thunderstorms are possible Tuesday. US-2, US-45, US-51 potentially impacted.

— Eastern Tennessee, western and southern North Carolina, South Carolina, and Georgia: Scattered severe thunderstorms are possible this afternoon and early evening, with damaging wind the main threat. I-16, I-20, I-24, I-26, I-40, I-59, I-73, I-74, I-75, I-77, I-81, I-85, I-95 potentially impacted.

— Southeastern coastal Massachusetts, including all of Cape Cod: A Coastal Flood Advisory is in effect this afternoon and evening, with up to one-half foot of inundation over low-lying shoreline and tidal areas. Flooding of vulnerable roads and isolated road closures are possible.

— Southern coastal New Jersey and coastal Delaware: Coastal Flood Advisories are in effect this afternoon and evening, with up to one-half foot of inundation over low-lying shoreline and tidal areas. Vulnerable roads may flood, with partial or full closures possible.

— Southwestern North Carolina, South Carolina, and eastern Georgia: Flash flooding is possible today as thunderstorms produce heavy rain. Water may cover low roads and poor-drainage areas. I-10, I-16, I-20, I-26, I-40, I-77, I-85, I-95 potentially impacted.

— Much of Georgia: A Heat Advisory is in effect today, with heat index values locally up to 109 degrees in south-central Georgia.

Tropical Weather Outlook for the next 7 days:

— Hurricane Marie is not currently expected to disrupt road travel in the continental United States. However, life-threatening surf and rip currents are possible along Southern California for the next few days.

Extended Hazard Outlook

Outlook Tuesday September 8th through Saturday September 12th:

— Tuesday, September 8 through Wednesday, September 9: Eastern Montana, most of North Dakota, northwestern South Dakota, and a small part of northwestern Minnesota: High winds may create hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-29, I-94.

— Tuesday, September 8 through Friday, September 11: From the central and southern Plains through the Lower Mississippi Valley: Hazardous heat may create challenging conditions, with the Lower Mississippi Valley portion ending Thursday, September 10 while the broader Plains portion continues through Friday, September 11. Major highways potentially affected include I-10, I-20, I-29, I-30, I-35, I-40, I-55, I-64, I-70.

— Tuesday, September 8: Southeastern Nebraska, northeastern Kansas, southern Iowa, northwestern Missouri, and western Illinois: Hazardous heat may create challenging conditions. Major highways potentially affected include I-29, I-35, I-80.

Extended Outlook September 13th through 19th:

— Sunday, September 13 through Thursday, September 17: From southeastern California across the Southwest into Utah, Colorado, and southwestern Wyoming: Heavy precipitation may develop, creating localized flooding and difficult travel. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40, I-70, I-76, I-80, I-84.

— Sunday, September 13: From the southern Plains through the Lower Mississippi Valley into Alabama and northwestern Florida: Extreme heat may develop, creating challenging travel conditions, especially for long drives and exposed routes. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-65.

Confidence in the Extended Outlook:

Confidence is average overall. Large-scale agreement is reasonably good in the earlier period, while uncertainty increases later because of ensemble variability and timing differences, especially across the West and Northeast.

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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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Some useful links:

High-resolution radar

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