RV Weather Road Trip Forecast for Sunday May 31, 2026

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

Flooding remains a travel concern today and Monday across western Montana. Snow levels above 9000 feet.
Expect daily outbreaks of scattered severe thunderstorms each afternoon and evening this week across much of the central US.
Flash floods may become an issue across eastern New Mexico and southwest Texas on Tuesday.

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.

NEW: Extended forecast for the next 2 weeks now included!

Weather Impacts Pacific:

— Interstate 5 Corridor in southern California northwest of Los Angeles: Wind Advisory through late morning, with northwest winds 20 to 30 mph and gusts up to 50 mph creating difficult travel for high-profile vehicles. I-5, CA-138 impacted.

Weather Impacts Mountain:

— Northwest Montana West Glacier Region, Flathead/Mission Valleys, East Glacier Park Region, Northern High Plains, Rocky Mountain Front, and Cascade County below 5000 feet: Flood Watches continue through Monday evening, with rainfall of 1 to 2 inches in valley locations and 2 to 4 inches in the mountains. Excess runoff may cause flooding of rivers, creeks, streams, and low-lying roads, with rockfall and debris flows possible in steep terrain. I-15, US-2, US-87, US-89, US-93 may be impacted.

— Missoula, Montana: Flood Watch beginning late this evening and continuing through Friday morning for the Clark Fork River above Missoula, where flooding is possible. Low-lying areas near the river may become difficult for campground access and local travel. Roads near I-90, US-12, US-93 potentially impacted.

— Absaroka/Beartooth Mountains in south-central Montana: Winter Weather Advisory continues through Monday morning, with total snow accumulation up to 1 inch above 9000 feet. Wintry travel is expected mainly at elevations above Vista Point on the Beartooth Highway. US-89, US-212 impacted.

— Southeast Wyoming North Snowy Range Foothills, South Laramie Range, and southwest Platte County: High Wind Warning through late this morning for Arlington and Elk Mountain along I-80, followed by a High Wind Watch through this afternoon for the I-80 Summit between Cheyenne and Laramie and the Bordeaux area along I-25, with winds 25 to 40 mph and gusts 60-65 mph. I-25, I-80, US-30, US-85, US-287 impacted.

— Southeast Wyoming and eastern Colorado: Severe thunderstorms are expected Monday afternoon and evening, with large hail, severe wind gusts and a tornado or two all possible. The greatest risk of severe weather will be across northeastern Colorado. I-25, I-70, I-76, I-80, US-6, US-20, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-56, US-85, US-160, US-285, US-287, US-385, US-400 potentially impacted.

— Eastern Montana, eastern Wyoming, eastern Colorado, and northeastern and east-central New Mexico: Scattered severe thunderstorms are expected Tuesday, with isolated large hail and severe wind gusts expected across parts of the northern High Plains and strong wind gusts and hail possible farther south. The greatest risk of severe weather will be across eastern Montana. I-25, I-40, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Much of central and eastern Montana and adjacent southwest North Dakota, northwest South Dakota, and northeast Wyoming: Flash flooding is possible today into Monday as ongoing rainfall from a slow-moving system continues over portions of Montana and nearby areas. Low-water crossings, unpaved campground roads, and terrain-adjacent routes may become difficult. I-15, I-94, US-2, US-12, US-14, US-85, US-87, US-89, US-191, US-212 potentially impacted.

— Eastern New Mexico: Flash flooding is possible Tuesday into Tuesday night as Gulf moisture moves north into the southern Rockies and southern High Plains. Locally heavy rainfall may create runoff problems, especially near low-water crossings and normally dry washes. I-10, I-25, I-40, US-54, US-60, US-62, US-70, US-82, US-84, US-180, US-285, US-380 potentially impacted.

Weather Impacts Central:

— Southern North Dakota, northern, central and eastern South Dakota, western, central and southeast Iowa, eastern Nebraska, most of Missouri, eastern Kansas, northern Arkansas, central and northeast Oklahoma, and north-central and southwest Texas: A few strong to locally severe storms are possible today from the Dakotas into the Ozarks and southwest Texas. Large hail, gusty winds, and brief torrential rain are all possible. I-10, I-20, I-29, I-35, I-40, I-44, I-49, I-55, I-64, I-70, I-72, I-80, I-90, I-94 potentially impacted.

— Most of North Dakota and South Dakota, central and western Nebraska, western Kansas, and the Oklahoma and Texas Panhandles: Scattered severe thunderstorms are expected Tuesday, with isolated large hail and severe wind gusts expected across parts of the northern High Plains and strong wind gusts and hail possible in the southern and central High Plains. The greatest risk of severe weather will be across much of North Dakota and western South Dakota. I-27, I-29, I-40, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Southern and eastern South Dakota and adjacent southwestern Minnesota, western and central Iowa, Nebraska, Kansas, Missouri, western Kentucky, northern Oklahoma, western and central Tennessee, northern Arkansas, northern and eastern Mississippi, and much of Alabama: Severe thunderstorms are expected Monday afternoon and evening, with large hail and severe wind gusts expected across parts of the central Plains and isolated severe wind gusts and hail possible toward the mid-Mississippi Valley and Southeast. The greatest risk of severe weather will be across southwestern Nebraska and western and central Kansas. I-20, I-22, I-24, I-29, I-35, I-40, I-44, I-49, I-55, I-57, I-59, I-64, I-65, I-69, I-70, I-72, I-75, I-76, I-80, I-85, I-90 potentially impacted.

— Southwest and far-western Texas: Flash flooding is possible Tuesday into Tuesday night as Gulf moisture supports locally heavy rainfall over parts of west Texas and the southern High Plains. Watch for rapid runoff near low-water crossings and normally dry channels. I-10, I-20, I-40, US-54, US-60, US-62, US-67, US-70, US-82, US-84, US-90, US-180, US-285, US-380, US-385 potentially impacted.

— Southwest Tennessee and northwest Mississippi: Dense Fog Advisory through late morning, with visibility down to one-quarter mile and low visibility making driving hazardous. I-22, I-40, I-55, US-45, US-51, US-64, US-70, US-72, US-79 impacted.

— Southern Alabama and the Florida Panhandle: Isolated severe thunderstorms are possible Tuesday. I-10, I-65, US-19, US-27, US-29, US-43, US-45, US-84, US-98, US-231, US-431 potentially impacted.

Weather Impacts Eastern:

— Central and southeastern Tennessee, Upstate South Carolina, and northern Georgia: Isolated severe thunderstorms are possible Monday afternoon and evening, with isolated severe wind gusts and hail possible as storms extend into the Southeast. I-20, I-24, I-26, I-40, I-59, I-75, I-77, I-85 potentially impacted.

— Southern Georgia and most of Florida: Isolated severe thunderstorms are possible Tuesday, with strong wind gusts and hail possible along the eastern Gulf Coast region. I-4, I-10, I-75, I-95, US-1, US-17, US-19, US-23, US-27, US-41, US-84, US-98, US-301, FL-A1A potentially impacted.

— Southern Georgia and adjacent southwest Alabama, and the northern Florida Peninsula: Flash flooding is possible today into Monday as excessive rainfall risk extends across portions of the Southeast. I-10, I-16, I-75, I-95, US-1, US-17, US-19, US-23, US-25, US-27, US-29, US-41, US-80, US-82, US-84, US-98, US-280, US-301, US-431 potentially impacted.

Outlook Tuesday June 2nd through Saturday June 6th:

— Thursday, June 4 through Friday, June 5: southern Louisiana and southern Mississippi: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-55.

Extended Outlook June 7th through 13th:

— Sunday, June 7 through Tuesday, June 9: from California and the Pacific Northwest across the Great Basin into northwestern Arizona and the Inter-Mountain West: Strong winds may develop, which could create hazardous crosswinds for high-profile vehicles, especially near higher terrain and passes including Deadman Pass, Donner Pass, Cajon Pass, and San Gorgonio Pass. Major highways potentially affected include I-5, I-10, I-15, I-40, I-70, I-80, I-84.

— Sunday, June 7 through Thursday, June 11: from eastern Montana and Wyoming across the northern Plains, Upper Midwest, Great Lakes, Ohio Valley, and into western Pennsylvania: Extreme heat may develop. Major highways potentially affected include I-25, I-29, I-35, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-76, I-79, I-80, I-90, I-94.

Forecast Confidence for the Extended Outlook:

Confidence is generally above average early in the outlook, with decent large-scale agreement and increasing confidence in moisture return over the southern High Plains. Confidence is average later in the period, with good temperature-signal agreement but weaker and more conflicting precipitation signals.

Looking for real-time road conditions? Here’s a link, courtesy of the Federal Highway Administration, to all the individual State 511 websites.

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

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