RV Weather Road Trip Forecast for Monday June 15, 2026

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

Flash Flooding enhanced by a tropical disturbance threatens major Gulf Coast and Texas travel corridors this week. Some areas may see up to 10 inches of rainfall.
Dangerous heat grips the Pacific Northwest and Northern California through Tuesday night.
Severe storms and flash flooding may disrupt Midwest and Ohio Valley travel Wednesday.

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

Check Your Route for Free

48-hour access • No credit card required

Start Full Access
7 Days for $0.99

Risk free – 30-day money-back guarantee

Significant travel weather for the next 2-3 days.

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

Weather Impacts Pacific

— Southwest Washington, eastern Washington valleys, southern and western Oregon, Northern and central California including the San Joaquin Valley, and the western Nevada Basin and Range: Heat Advisories continue through Wednesday with temperatures generally in the 90s to near 102 and locally hotter valley conditions.

— Northwest Oregon Portland/Vancouver metro, Tualatin Valley, West Hills, Chehalem Mountains, and the west Columbia River Gorge: Extreme Heat Warning through Tuesday night for mountain, valley, and metro areas where poor overnight relief will increase heat stress. High temperatures 95-100 deg.

— Northern California interior valleys, Shasta foothills, Shasta Lake/I-5 corridor, Redding metro, and the Tehama/Butte/Plumas foothills: Extreme Heat Warning through Tuesday night, with temperatures up to 110 and warm overnight lows in the 70s creating dangerous prolonged heat exposure.

— Central and southern California coast and bays: Coastal Flood Advisories continue through Thursday morning including the Malibu Coast, Humboldt Bay, San Francisco Bay shoreline, San Francisco, North Bay, Monterey Bay, Big Sur, and Point Reyes areas, with minor coastal flooding, tidal flooding, dangerous rip currents, and breaking waves possible in low-lying shorelines and tidal waterways.

Weather Impacts Mountain:

— Much of eastern Wyoming, southwest South Dakota, and the Nebraska Panhandle: Red Flag Warning beginning around midday through late evening, with winds 15 to 30 mph and gusts up to 40 mph. I-25, I-80, I-90, US-16, US-18, US-20, US-26, US-30, US-85, US-385 impacted.

— Southeastern Wyoming, including the North Snowy Range Foothills, South Laramie Range, I-80 Summit between Cheyenne and Laramie, Arlington, Elk Mountain, and southwest Platte County: High Wind Watch beginning Tuesday evening through Wednesday afternoon, with winds 35 to 45 mph and gusts up to 65 mph creating hazardous crosswinds for high-profile vehicles. I-25, I-80, US-30, US-85, US-287 potentially impacted.

— West-central Colorado, including the Colorado River Headwaters and North Fork areas: Red Flag Warning beginning around midday through late evening, with gusts up to 35 mph and fire danger, especially below 8000 feet near the Colorado River Headwaters. I-70, US-24, US-50, US-550 impacted.

— Northeast New Mexico: Severe thunderstorms are possible late this afternoon into evening, focused near the higher terrain into the adjacent high plains, with potential for severe hail and wind. I-25, I-40, US-54, US-56, US-60, US-64, US-70, US-84, US-85, US-87, US-285, US-380, US-412 potentially impacted.

Weather Impacts Central:

— Central Texas Hill Country, Austin/San Antonio corridor, parts of southeast Texas, southwest Louisiana, southeast Louisiana, and coastal Mississippi: Multiple FLASH FLOOD WARNINGS areas continue this morning, with up to 5 inches of rain already fallen in some Texas warnings, 1 to 3 inches common in Louisiana warnings, and rainfall rates up to 2 to 3 inches per hour in parts of Louisiana. Additional rainfall of 1 to 3 inches possible in warned areas, creating high water in low-lying areas and rapidly changing road conditions. Highways near I-10, I-12, I-35, I-49, I-59, US-71, US-77, US-79, US-87, US-90, US-167, US-190, US-277, US-281, US-290 may be impacted.

— Central, southern and eastern Texas including the Hill Country, Louisiana, and southwest Mississippi: Flood Advisories and Watches continue through Wednesday, with repeated heavy rainfall. A tropical disturbance will produce widespread areas of 3-5 inches of rain with localized areas seeing 6-10 inches. Rainfall rates may reach 2-5 inches per hour. I-2, I-10, I-12, I-14, I-20, I-35, I-37, I-45, I-49, I-55, I-59, I-69, I-69C, I-69E potentially impacted.

— Southwest South Dakota and the Nebraska Panhandle: Red Flag Warning beginning around midday through late evening, with winds 15 to 30 mph and gusts up to 40 mph in the Fall River, Pine Ridge, Badlands, Bennett County, Weston County Plains, lower North Platte Basin, Nebraska National Forest, Thunder Basin, and Niobrara high plains areas. I-80, I-90, US-16, US-18, US-20, US-26, US-30, US-85, US-385 impacted.

— Southeast Minnesota, southern Wisconsin, most of Iowa, Illinois, Missouri, eastern Kansas, and northern Kentucky: Organized severe thunderstorms are expected Wednesday afternoon and evening, with damaging wind, large hail, and tornado potential. The greatest risk of severe weather will be across parts of Illinois and northern Missouri. I-24, I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-44, I-49, I-55, I-57, I-64, I-65, I-69, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Central and southern Wisconsin, eastern Iowa, most of Illinois, and parts of Missouri: Flash flooding is possible Wednesday into Thursday morning where storms and heavy rainfall overlap already wet travel corridors. I-39, I-41, I-43, I-44, I-49, I-55, I-57, I-64, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Northeastern and east-central Illinois: Isolated strong to severe thunderstorms are possible Tuesday afternoon and evening as a band of storms develops ahead of a weak cold front, with damaging wind and hail possible where stronger storms form. I-39, I-41, I-55, I-57, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Southeast Kansas, southwest and south-central Missouri: Flood Warnings continue through Thursday in some river basins, with minor to moderate flooding. Up to 6 inches of rain already fallen across southeast Kansas and southern Missouri. Roads near I-29, I-44, I-49 may be impacted.

— Western Oklahoma and Texas Panhandles: Severe thunderstorms are possible late this afternoon into evening, with strong storms capable of severe hail and wind. I-27, I-40, US-54, US-56, US-60, US-64, US-70, US-84, US-87, US-160, US-287, US-380, US-385, US-412 potentially impacted.

Weather Impacts Eastern:

— Southern Michigan, much of Indiana, and northwestern Ohio: Isolated strong to severe thunderstorms are possible Tuesday afternoon and evening, with damaging wind and hail possible as storms develop along a weak front. I-57, I-65, I-69, I-70, I-74, I-75, I-80, I-90, I-94, I-96 potentially impacted.

— Southern Michigan, Indiana, and Ohio: Organized severe thunderstorms are possible Wednesday afternoon and evening, with damaging wind, large hail, and tornado potential creating difficult travel decisions. The greatest risk of severe weather will be across central and northern Indiana. I-57, I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-80, I-90, I-94, I-96 potentially impacted.

— Southern Michigan, and much of Indiana and Ohio: In addition to the severe thunderstorms, flash flooding is also possible Wednesday into Thursday morning where heavy rainfall overlaps the severe-storm corridor and wet ground. I-57, I-65, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-80, I-90, I-94, I-96 potentially impacted.

— New Hampshire White Mountains and northern valleys: Flood Advisory this morning, with up to 1.5 inches of rain already fallen and another 1.5 inches possible, creating ponding and high water in low spots. Roads near I-93, US-2, US-3 may be impacted.

— Maryland, New Jersey, and Delaware tidal shorelines: Coastal Flood Advisories continue into Tuesday morning, including Anne Arundel County, Middlesex, Monmouth, Cape May, Atlantic, Inland Sussex, Delaware Beaches, Kent, Cumberland, and nearby low-lying tidal areas, with up to one-half to one foot of inundation possible.

— South Florida coastal and metro Miami-Dade and Broward Counties: Heat Advisory late this morning through early evening, with heat index values of 103 to 107 expected.

Outlook Wednesday June 17th through Sunday June 21st:

— Wednesday, June 17: small portions of southeastern California, southern Nevada, and northwestern Arizona: Heat concerns may create challenging conditions. Major highways potentially affected include I-15, I-40.

— Wednesday, June 17 through Saturday, June 20: most of the Florida Peninsula: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-75, I-95.

— Thursday, June 18 through Friday, June 19: from eastern Texas through the Lower Mississippi Valley into parts of the central Gulf Coast and western Georgia: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-10, I-20, I-55, I-65, I-85.

— Thursday, June 18: from the mid-Mississippi Valley through the Ohio Valley, Tennessee Valley, and central Appalachians: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-79.

— Thursday, June 18: from the Ohio Valley and central Appalachians into the Mid-Atlantic, New Jersey, and southeastern New York: Severe weather may create hazardous travel conditions. Major highways potentially affected include I-64, I-70, I-75, I-76, I-79, I-80, I-81, I-84, I-87, I-95.

— Thursday, June 18 through Friday, June 19: eastern South Carolina, eastern North Carolina, and adjacent southeastern Virginia: Heat concerns may create challenging conditions. Major highways potentially affected include I-20, I-40, I-64, I-74, I-85, I-87, I-95.

— Friday, June 19 through Saturday, June 20: southeastern Nebraska, central and eastern Kansas, northeastern Oklahoma, much of Missouri, and northern Arkansas: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-35, I-40, I-70, I-80.

Extended Outlook June 22nd through 28th:

— Monday, June 22 through Tuesday, June 23: from the central Plains through the mid-Mississippi, lower Ohio, and Tennessee Valleys into the southern Appalachians: Heavy rain may develop, which could create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-30, I-35, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75.

— Monday, June 22 through Friday, June 26: portions of the Southeast, including southern Alabama, Florida, southern Georgia, coastal South Carolina, and southeastern North Carolina: Heat concerns may develop, which could create challenging conditions. Major highways potentially affected include I-4, I-10, I-40, I-65, I-75, I-95.

— Thursday, June 25 through Sunday, June 28: southeast and interior California, portions of southern Nevada, and western, central and southern Arizona: Heat concerns may develop, which could create challenging conditions. Major highways potentially affected include I-5, I-8, I-10, I-15, I-40, I-80.

— Thursday, June 25 through Sunday, June 28: from southeastern Colorado and eastern New Mexico through Texas into the Lower Mississippi Valley: Heat concerns may develop, which could create challenging conditions. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40.

Forecast Confidence for the Extended Outlook:

Confidence is generally better for the earlier part of the outlook, with good agreement on the large-scale pattern but some smaller-scale details still uncertain. Confidence becomes more average later in the outlook as signals weaken, though there is still reasonable agreement across the broader forecast guidance.

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

Check Your Route for Free

48-hour access • No credit card required

Start Full Access
7 Days for $0.99

Risk free – 30-day money-back guarantee