RV Weather Road Trip Forecast for Tuesday June 23, 2026

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

Severe Storms, Flash Flooding threaten major Plains and Southern routes today
Eastern Flooding and Severe Storms could disrupt I-64, I-95, and Coastal routes today
Heat builds across the Southwest, California, and Southern routes. High temperatures up to 114 deg in Arizona

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

— Western Washington lowlands, foothills, valleys, and Olympic foothills: Heat Advisories continue through Wednesday night. High temperatures in the lower 80’s to lower 90’s deg F.

— Southwest Washington and northwest Oregon valleys, lowlands, hills, and the Columbia River Gorge: Heat Advisories continue through late tonight, with temperatures up to 100 deg F.

— Oregon Lower Columbia Basin: Red Flag Warning this afternoon and evening, with gusts around 30 mph. I-82, I-84, US-97, US-395 impacted.

— Southern Oregon and northern California interior valleys and foothills: Heat Advisories continue through late tonight. Daytime temperatures 95-100 deg F.

— Southern California Los Angeles County valleys, inland coast, and nearby mountains: Heat Advisories today through Thursday for the Santa Clarita Valley, San Fernando Valley, San Gabriel Mountains, San Gabriel Valley, and inland coast including downtown Los Angeles. High temperatures in the mid- to upper-90’s deg F.

— Southern and southeast California Lower Colorado River Valley, Yuma area, and Imperial Valley: Extreme Heat Warnings Wednesday and Thursday. Afternoon temperatures 109-114 deg F. I-8, I-10, US-60, US-95, CA-78, CA-86 impacted.

Weather Impacts Mountain:

— Southeastern Montana, eastern Wyoming, and eastern Colorado: Scattered strong to severe storms are possible Thursday, with very large hail and severe wind gusts. The greatest risk of severe weather will be across eastern Wyoming and northeastern Colorado. I-25, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Southern Wyoming, northern and eastern Colorado, and eastern New Mexico: Severe thunderstorms are expected today into tonight, with 2+ inch diameter hail, 75+ mph wind gusts, and isolated tornadoes. The greatest risk of severe weather will be across eastern Colorado and southeastern Wyoming. I-25, I-40, I-70, I-76, I-80, US-6, US-18, US-20, US-24, US-26, US-30, US-34, US-36, US-40, US-50 potentially impacted.

— Eastern Wyoming, eastern Colorado, and eastern New Mexico: Widely scattered severe storms are possible Wednesday, with large hail and damaging wind the primary concerns. An isolated tornado is also possible. I-25, I-40, I-70, I-76, I-80, I-90 potentially impacted.

— Central and southern Utah mountains: Red Flag Warnings this afternoon and evening, with winds around 15 mph and gusts 25 to 35 mph. I-15, I-70, US-50, US-89 impacted.

— North-central and northwest Utah: A few isolated severe storms are possible Wednesday, mainly with localized damaging wind potential. I-15, I-80, I-84, US-6, US-30, US-40, US-50, US-89, US-189 potentially impacted.

— Much of western and central Colorado and southeast Utah: Red Flag Warnings today with wind gusts 30 to 35 mph. I-70, US-24, US-34, US-40, US-50, US-84, US-160, US-163, US-191, US-285, US-491, US-550 impacted.

— North-central Arizona Grand Canyon below 4000 feet: Extreme Heat Warning today, with daytime temperatures ranging from 100 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch. Physical activity discouraged in the canyon and around Havasupai Gardens or Bright Angel campgrounds.

— Southern Arizona lower valleys, including the greater Phoenix area: Extreme Heat Warnings today and Wednesday. Afternoon temperatures 109-114 deg F. I-10, I-19, US-70, US-191 impacted.

— Much of central and southern New Mexico, and adjacent far-west Texas: Heat Advisories today and Wednesday with temperatures up to 106 to 110 deg. F.

Weather Impacts Central:

— Northeast Texas, adjacent southwest Arkansas and southeast Oklahoma, and northwest Louisiana: FLASH FLOOD WARNINGS, Advisories and Watches today, where 2 to 3 inches of rain have fallen since early this morning, rainfall rates of 2 to 3 inches in 1 hour are expected, and another 2 to 7 inches of rain may fall. I-20, I-30, I-49, US-59, US-63, US-67, US-70, US-71, US-79, US-82, US-84, US-165, US-167, US-171 likely impacted.

— Eastern North Dakota, western Minnesota, eastern and southern South Dakota, western Iowa, Nebraska, Kansas, western Missouri, Oklahoma, much of Arkansas, and Texas and and north of I-20: Severe thunderstorms are expected today into tonight, with 2+ inch diameter hail, 75+ mph wind gusts, and isolated tornadoes. The greatest risk of severe storms will be across southwest Nebraska, western and central Kansas, most of Oklahoma, and the Texas Panhandle. I-20, I-27, I-29, I-30, I-35, I-40, I-44, I-45, I-49, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Central and southern Wisconsin and adjacent northern Illinois: A few isolated severe storms are possible Wednesday. I-39, I-41, I-43, I-88, I-90, I-94 potentially impacted.

— Southwest Nebraska and northwest Kansas: Flood Watch this morning, where 2 to 6 inches of rain have fallen over the past 48 hours and storms may add another 0.5 to 2.5 inches, creating a flash-flood threat. US-6, US-34, US-36, US-83 potentially impacted.

— Western and central Nebraska, most of Kansas, most of Oklahoma, most of Arkansas, and the Texas Panhandle: Widely scattered severe storms are possible Wednesday, with large hail and damaging winds locally supported. The greatest risk of severe weather will be across western Nebraska, western Kansas, and western Oklahoma and Texas Panhandles. I-20, I-22, I-27, I-30, I-35, I-40, I-44, I-49, I-55, I-59, I-69, I-70, I-76, I-80 potentially impacted.

— Western Nebraska, most of Kansas, southern Missouri, northwest Arkansas, much of Oklahoma, and the Texas Panhandle: Scattered strong to severe storms are possible Thursday, with the threat for very large hail and severe wind gusts. The greatest risk of severe weather will be across far-western Nebraska, and also southeastern Kansas, southwestern Missouri, and northeastern Oklahoma. I-27, I-35, I-40, I-44, I-49, I-70, I-76, I-80, I-90 potentially impacted.

— Much of Kansas, most of Oklahoma, northeastern Texas, western and central Arkansas, and northwestern Louisiana: Flash flooding is possible today into Wednesday in areas vulnerable to repeated heavy rain and runoff concerns. I-20, I-30, I-35, I-40, I-44, I-45, I-49, I-70 potentially impacted.

— Much of Kansas, Missouri, and southern Illinois,: Flash flooding is possible Thursday into Friday, with heavy rain creating increased risk for high water in low spots and poor drainage areas. I-24, I-29, I-35, I-44, I-49, I-55, I-57, I-64, I-70 potentially impacted.

— Southeast Louisiana near New Orleans and Lake Pontchartrain: Heat Advisory today, with heat index values up to 110 degrees F.

Weather Impacts Eastern:

— Southeast Massachusetts and coastal Rhode Island: FLASH FLOOD WARNING early this morning for Bristol and Plymouth counties in Massachusetts and Newport County, Rhode Island, where up to 1 inch of rain has fallen, rainfall rates of 1 to 2 inches per hour are expected, and another 1 to 2 inches is possible. US-6 impacted.

— Southern West Virginia coalfields: FLASH FLOOD WARNING early this morning for Logan and Mingo counties, where 3 to 5.5 inches of rain have fallen and additional rainfall up to 0.3 inches is possible. US-52, US-119 impacted.

— Southern West Virginia mountain counties: Flood Warnings and Watches continue today, where 1 to 2 inches of rain have fallen; additional rainfall up to 0.3 inches is possible, and flooding is ongoing in portions of the southern coalfields where 3 to 5 inches fell late Monday evening. I-64, I-77, US-19, US-52, US-60, US-119 impacted.

— Southwest Virginia and southeast West Virginia: Flood Watch through late morning, with flooding still possible after recent heavy rain. I-64, I-77, US-19, US-52, US-60, US-219, US-460 potentially impacted.

— Southeast Virginia and Hampton Roads: Flood Watch beginning around midday through late evening, with rainfall rates potentially exceeding 2 inches per hour and localized totals of 3 to 5 inches possible in a few spots. I-64, US-13, US-17, US-58, US-60, US-460 potentially impacted.

— DELMARVA Peninsula, eastern Virginia, and eastern North Carolina: Severe thunderstorms are possible today. Primary hazard will be damaging wind gusts. An isolated tornado is also possible. I-40, I-64, I-85, I-87, I-95, US-1, US-9, US-13, US-17, US-29, US-50, US-58, US-60, US-64, US-70 potentially impacted.

— Broward and Miami-Dade County areas in South Florida: Heat Advisory today, with heat index values up to 105 deg F.

Outlook Thursday June 25th through Monday June 29th:

— Thursday, June 25: portions of southeastern California, southern Nevada, Arizona, southwestern New Mexico, and western Texas: Heat concerns may create challenging conditions. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40.

— Thursday, June 25 through Friday, June 27: from the central Plains into the Ozarks, Midwest, Ohio Valley, and western Tennessee: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-35, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-76, I-80.

— Thursday, June 25 through Monday, June 29: from southeastern New Mexico and Texas across the Lower Mississippi Valley and Southeast into the Carolinas and southeastern Virginia: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-30, I-35, I-40, I-55, I-64, I-65, I-74, I-75, I-85, I-87, I-95.

— Saturday, June 27 through Monday, June 29: from eastern and southeast California and Idaho through the Great Basin and central Rockies: Strong winds may create hazardous crosswinds for high-profile vehicles, especially over higher terrain including Donner Pass, Cajon Pass, Parleys Summit, and Eisenhower Tunnel. Major highways potentially affected include I-15, I-25, I-40, I-70, I-76, I-80, I-84, I-90.

— Saturday, June 27 through Monday, June 29: from the central and southern Plains into the Mid-Mississippi Valley, Tennessee Valley, Lower Mississippi Valley, and western Georgia: Heat concerns may create challenging conditions. Major highways potentially affected include I-20, I-25, I-29, I-30, I-35, I-40, I-55, I-64, I-65, I-70, I-75, I-80, I-85.

— Sunday, June 28 through Monday, June 29: from central and northeast Oregon and Idaho into the northern Great Basin, southwest Montana, western Wyoming, and northern Utah: Frost or freeze concerns may create challenging conditions for early season RVers. Major highways potentially affected include I-15, I-80, I-84, I-90.

Extended Outlook June 30th through July 6th:

— Tuesday, June 30 through Thursday, July 2: portions of northeastern North Carolina, much of Virginia, Delaware, Maryland, and District of Columbia: Extreme heat is expected. Major highways potentially affected include I-40, I-64, I-85, I-87, I-95.

— Tuesday, June 30 through Saturday, July 4: from the Carolinas into the Mid-Atlantic: Extreme heat is likely, which may create challenging conditions. Major highways potentially affected include I-40, I-64, I-70, I-74, I-76, I-85, I-95.

— Tuesday, June 30 through Friday, July 3: southwestern Kansas, much of Oklahoma, and northern Texas: Extreme heat is likely, which may create challenging conditions. Major highways potentially affected include I-20, I-40.

— Tuesday, June 30 through Monday, July 6: from the central Rockies and Plains through the Mississippi, Ohio, Tennessee, and Southeast regions into the Mid-Atlantic and parts of the Northeast: Extreme heat may develop, which could create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-25, I-29, I-30, I-35, 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.

— Tuesday, June 30 through Thursday, July 2: across parts of the northern Plains, Upper Midwest, and western Great Lakes: Heavy precipitation may develop, which could create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-35, I-74, I-80, I-90, I-94.

Forecast Confidence for the Extended Outlook:

Confidence is above average for the earlier part of the outlook, with broad agreement on the large-scale pattern. Confidence decreases to average later as the pattern becomes more transitional, especially with uncertainty in how quickly western troughing and eastern ridging evolve.

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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