RV Weather Road Trip Forecast for Friday June 26, 2026

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

Flash flooding this morning from south-central Kansas to southern Illinois; major Central U.S. corridors affected where 3–6 inches of rain has already fallen and more is possible.
Severe thunderstorms today into tonight from the Plains and Midwest to the Ohio Valley, Appalachians, Mid-Atlantic, and Northeast; damaging wind, large hail, and isolated tornadoes
High winds and wildfire conditions across the Southwest, Great Basin, and southern California deserts today through Sunday

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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

— Eastern Oregon and southwest Idaho: Red Flag Warnings today and Saturday, with scattered thunderstorms, abundant lightning, and erratic outflow gusts up to 50 mph creating fast fire-spread conditions. I-84, US-20, US-26, US-93, US-95, US-395 potentially impacted.

— Central and western Nevada into the California Mojave Desert, Death Valley, Lake Mead, and the Lower Colorado River Valley: Red Flag Warnings today and Saturday, with winds 20 to 30 mph and gusts 35 to 50 mph. I-11, I-15, I-40, I-80 impacted.

— Southeast California and southern Nevada: Wind Advisories this morning through Sunday morning, with winds 20 to 35 mph and gusts 50 to 60 mph creating difficult travel for high-profile vehicles. I-11, I-15, I-40, US-6, US-93, US-95, US-395 impacted.

— Southern California I-10 corridor San Gorgonio Pass near Banning: Wind Advisory today through Sunday, with winds 35 to 45 mph and gusts 50 to 65 mph causing hazardous crosswinds. I-10, CA-62 impacted.

— Interior Southern California, including the San Diego County deserts, Imperial Valley, and the Yuma/Lower Colorado River area: Wind Advisories this evening through Sunday morning, with winds 20 to 35 mph and gusts 40 to 55 mph. I-8, I-10, US-60, US-95, CA-62, CA-78, CA-86 impacted.

Weather Impacts Mountain:

— East-central Idaho and adjacent southwest Montana above 6500 feet: Winter Storm Watches and Advisories begin Saturday evening and continues through Monday, with up to 4-6 inches of snow possible, including higher terrain near Lemhi Pass and Bannock Pass. I-15, I-90, US-12, US-93, US-191 potentially impacted.

— Parts of southern Idaho, including the Snake River Plain and Sawtooth Range: Red Flag Warnings and Wind Advisories today through Sunday, with wind gusts 30-50 mph. Strongest winds in the mountains. I-15, I-84, I-86, US-20, US-26, US-93 impacted.

— Central and eastern Montana, northern and eastern Wyoming, eastern Colorado, and eastern New Mexico: Severe thunderstorms are possible today afternoon into tonight, with scattered severe storms, damaging wind, large hail, and in Montana, some tornado potential. I-15, I-25, I-40, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Central and eastern Montana and adjacent north-central and northeastern Wyoming: Severe thunderstorms are likely Saturday, with damaging wind and large hail the primary hazards. The greatest risk of severe weather will be across eastern Montana. I-90, I-94, US-2, US-12, US-14, US-16, US-85, US-87, US-191, US-212 potentially impacted.

— Eastern Montana and eastern Wyoming: Isolated severe thunderstorms are possible Sunday, with large hail and severe winds the primary hazards. I-25, I-90, I-94, US-2, US-12, US-14, US-16, US-18, US-20, US-26, US-85, US-212 potentially impacted.

— Four Corners region: Red Flag Warnings and Wind Advisories affect Utah, western Colorado, much of Arizona, and western/northern/central New Mexico today through Sunday, with the New Mexico warnings mainly Saturday. Winds gusts 35 to 55 mph, with blowing dust reducing visibility in some Utah valleys, including I-80 from Wendover to Grantsville; winds decrease during the nighttime hours. I-10, I-15, I-17, I-19, I-25, I-40, I-70, I-80, I-84, US-6, US-24, US-34, US-40, US-50, US-54, US-56, US-60, US-64, US-70, US-84, US-87, US-89, US-89A, US-160, US-163, US-180, US-191, US-285, US-491, US-550 impacted.

Weather Impacts Central:

— Western South Dakota, western Nebraska, far-western and southeastern Kansas, much of Oklahoma and northwest Texas, northern Arkansas, southern Missouri, southern Illinois, Kentucky and northern Tennessee: Severe thunderstorms are possible this afternoon into tonight, with scattered severe storms, damaging wind, large hail, and some potential for tornadoes. The greatest risk of severe weather will be across western South Dakota, southern Missouri, southern Illinois, and northwest Kentucky. I-20, I-24, I-27, I-35, I-40, I-44, I-49, I-55, I-57, I-64, I-65, I-69, I-70, I-76, I-80, I-90 potentially impacted.

— North and South Dakota, northwestern Minnesota, much of Nebraska, eastern and southern Iowa, central and southern Illinois, Missouri and adjacent eastern Kansas, Kentucky, and most of Tennessee: Severe thunderstorms are likely Saturday, with all hazards possible. The greatest risk of severe weather will be across the Dakotas. 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-90, I-94 potentially impacted.

— Northwestern North Dakota: Flash flooding is possible Saturday into Saturday night. US-2, US-52, US-83, US-85, US-281 potentially impacted.

— North Dakota, western and northern South Dakota, much of Minnesota, and northern Wisconsin: Severe thunderstorms are possible Sunday, with scattered severe storms and large hail and severe winds the primary hazards. The greatest risk of severe weather will be across eastern North Dakota and northern Minnesota. I-29, I-35, I-35E, I-35W, I-39, I-90, I-94 potentially impacted.

— South-central and southeast Kansas, northeast Oklahoma, southern and east-central Missouri, northern Arkansas, central and southern Illinois, northern Kentucky, and western Tennessee: FLASH FLOOD WARNINGS, Flood Warnings, Watches, and Advisories today and Saturday with the highest near-term concern this morning stretching from south-central Kansas to southern Illinois where up to 6 inches of rain has already fallen and another 1 to 3 inches is possible in spots. I-24, I-35, I-40, I-44, I-49, I-55, I-57, I-64, I-65, I-69, I-70, I-72, I-74, US-27, US-31E, US-50, US-54, US-59, US-60, US-64, US-68, US-69, US-70, US-75, US-77, US-79, US-83, US-127, US-400, US-412 impacted or potentially impacted.

— Southwest Texas including Big Bend National Park and the Marfa Plateau: Heat Advisory today, with temperatures up to 100 degrees F in the mountains and up to 115 degrees F along the Rio Grande.

Weather Impacts Eastern:

— Southern Indiana, Kentucky, southern Ohio, most of West Virginia, northern Virginia, Delaware, Maryland, DC, and southern New Jersey: Severe thunderstorms are possible this afternoon into tonight. Damaging wind gusts are the primary hazard, with some potential for a tornado or two in Indiana. I-64, I-65, I-66, I-68, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-79, I-81, I-83, I-95, I-97 potentially impacted.

— Southern Indiana, southern Ohio, much of West Virginia and Virginia, Kentucky, much of Tennessee, North Carolina, much of South Carolina, and northeast Georgia: Severe thunderstorms are possible Saturday, Damaging wind gusts are the primary hazard. The greatest risk of severe weather will be across southeastern Virginia and northeastern North Carolina. I-20, I-24, I-26, I-40, I-59, I-64, I-65, I-69, I-70, I-71, I-73, I-74, I-75, I-77, I-79, I-81, I-85, I-87, I-95 potentially impacted.

— Central and southern Indiana and north-central Kentucky: Flood Watches continue through Saturday, with 1 to 3 inches of rainfall expected, with localized 3 to 4 inch totals possible where thunderstorms train. I-64, I-65, I-69, I-70, I-71, I-74, I-75 potentially impacted.

— Southeast Indiana, southern Ohio, north-central Kentucky, and far-western West Virginia: Flood Watches continue through Saturday, with repeated showers and thunderstorms capable of producing flash flooding. I-64, I-71, I-74, I-75, I-77, US-23, US-27, US-33, US-50, US-60, US-68, US-119, US-127, US-421 potentially impacted.

— Southwestern Maine, New Hampshire, and Vermont and adjacent northeast New York: Isolated severe thunderstorms are possible this afternoon into tonight. I-87, I-89, I-91, I-93, I-95, US-1, US-2, US-3, US-4, US-5, US-7, US-11, US-201, US-202 potentially impacted.

Outlook Sunday June 28th through Thursday July 2nd:

— Sunday, June 28: much of southeast Utah and northern Arizona into western Colorado and northwestern New Mexico: Wildfire-related concerns may create smoke, visibility, or fire-related travel concerns. Major highways potentially affected include I-40, I-70.

— Sunday, June 28 through Monday, June 29: California, east of the central Sierra Nevada: Frost or freeze concerns may create challenging travel conditions. Major highways potentially affected include US-395.

— Sunday, June 28 through Monday, June 29: portions of southern California: Strong winds may create hazardous crosswinds for high-profile vehicles, especially near Cajon Pass. Major highways potentially affected include I-5, I-15, I-40.

— Sunday, June 28 through Monday, June 29: portions of central and southern Oregon: Frost or freeze concerns may create challenging travel conditions. Major highways potentially affected include US-20, US-395.

— Sunday, June 28 through Tuesday, June 30: much of central and east-central Idaho and portions of southwestern Montana: Frost or freeze concerns may create challenging travel conditions. Major highways potentially affected include I-15, I-90.

— Sunday, June 28 through Monday, June 29: portions of southern Idaho, northeastern Nevada, northern Utah, and southwestern Wyoming: Frost or freeze concerns may create challenging travel conditions. Major highways potentially affected include I-15, I-80, I-84.

— Sunday, June 28 through Wednesday, July 1: portions of southeastern Idaho, small portions of south-central Montana, and much of northwestern Wyoming, including Yellowstone and Grand Teton National Parks: Frost or freeze concerns may create challenging travel conditions. Major highways potentially affected include I-90.

— Sunday, June 28 through Monday, June 29: much of central and eastern Utah, northeastern Arizona, much of central and southern Wyoming, most of Colorado, and north-central New Mexico: Strong winds may create hazardous crosswinds for high-profile vehicles, especially near Parleys Summit, Eisenhower Tunnel, Glorieta Pass, and Continental Divide NM. Major highways potentially affected include I-15, I-25, I-40, I-70, I-76, I-80, US-40, US-50, US-64.

— Sunday, June 28 through Monday, June 29: eastern South Dakota, eastern Nebraska, much of Kansas, Oklahoma, and Texas, adjacent southeast New Mexico Heat concerns may create challenging conditions. Major highways potentially affected include I-10, I-20, I-29, I-30, I-35, I-40, I-70, I-80, I-90.

— Sunday, June 28 through Thursday, July 2: from the central Plains and Upper Midwest into the Lower Mississippi Valley, Southeast, Florida, and the Carolinas: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-29, I-30, I-35, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-80, I-85, I-87, I-90, I-94, I-95.

— Monday, June 29: northern Florida Peninsula: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-4, I-10, I-75, I-95.

— Monday, June 29: most of Minnesota and adjacent northwestern Wisconsin: Severe thunderstorms may create rapidly changing and hazardous travel conditions. Major highways potentially affected include I-35, I-94.

— Tuesday, June 30 through Thursday, July 2: from the Great Lakes and Ohio Valley into the central Appalachians and Mid-Atlantic: Heat concerns may create challenging conditions. Major highways potentially affected include I-40, I-64, I-70, I-71, I-74, I-75, I-76, I-79, I-80, I-81, I-85, I-90, I-94, I-95.

— Wednesday, July 1 through Thursday, July 2: portions of the Mid-Atlantic from northern and eastern Virginia into New Jersey, Delaware, Maryland, and the District of Columbia: Heat concerns may create challenging conditions. Major highways potentially affected include I-70, I-76, I-80, I-81, I-95.

Extended Outlook July 3rd through July 9th:

— Friday, July 3 through Saturday, July 4: Washington, Oregon, northern California, and portions of northwestern Nevada: Strong winds may develop, which could create hazardous crosswinds for high-profile vehicles, especially near Snoqualmie Pass, Deadman Pass, and Donner Pass. Major highways potentially affected include I-5, I-80, I-84, I-90, US-101, US-395, CA-1.

— Friday, July 3 through Monday, July 6: the northern and central Rockies into the southern Plains, Lower Mississippi Valley, and Florida: Extreme heat may develop, which could create challenging travel conditions. Major highways potentially affected include I-4, I-10, I-15, I-20, I-25, I-30, I-35, I-40, I-55, I-65, I-70, I-75, I-76, I-80, I-90, I-94, I-95.

— Friday, July 3 through Saturday, July 4: from eastern Montana and the northern Plains into the Midwest, Lower Mississippi Valley, and Southeast: Extreme heat is likely, which may create challenging travel conditions. Major highways potentially affected include I-10, I-20, I-29, I-30, I-35, I-40, I-55, I-65, I-70, I-74, I-75, I-80, I-85, I-90, I-94, I-95.

— Friday, July 3 through Monday, July 6: portions of northeastern Minnesota, most of Wisconsin, and much of Michigan: Extreme heat may develop, which could create challenging travel conditions. Major highways potentially affected include I-35, I-75.

— Friday, July 3: from the Midwest and Ohio Valley into the Southeast, central Appalachians, and Mid-Atlantic: Extreme heat is expected, which may create challenging travel conditions. Major highways potentially affected include I-20, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-76, I-79, I-80, I-81, I-84, I-85, I-87, I-90, I-94, I-95.

— Friday, July 3 through Saturday, July 4: western and southern New York, western Connecticut, and northern New Jersey: Extreme heat is likely, which may create challenging travel conditions. Major highways potentially affected include I-80, I-81, I-84, I-87, I-90, I-91, I-95.

— Friday, July 3 through Monday, July 6: northeast New York, Vermont, New Hampshire, southwestern Maine, Massachusetts, Rhode Island, and eastern Connecticut: Extreme heat may develop, which could create challenging travel conditions. Major highways potentially affected include I-81, I-84, I-87, I-90, I-91, I-95.

Forecast Confidence for the Extended Outlook:

Confidence is above average for the earlier part of the outlook, with generally good large-scale agreement. Confidence decreases to average later in the outlook because of a changing circulation pattern and increasing uncertainty in precipitation signals and the evolving mid-level pattern.

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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