RV Weather Road Trip Forecast for Saturday June 27, 2026

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

🌊 Flash flooding this morning into Sunday from southern Indiana and Kentucky into the Ozarks and Tennessee Valley. Rainfall totals may reach 5–6 inches in some areas.
⛈️ Severe storms today could disrupt travel from the northern Rockies and northern Plains to the Ohio Valley, Tennessee Valley, Carolinas, and Virginia, with damaging winds, large hail, and a few tornadoes possible.
💨 Strong winds and critical fire weather across the Southwest, Great Basin, and central Rockies may create hazardous crosswinds, blowing dust, fast fire spread, and smoke impacts.
❄️ Summer mountain snows may affect higher passes in east-central Idaho and southwest Montana from this evening into Monday, with 4–8 inches possible above 6,500 feet, including Lemhi Pass and Bannock Pass.

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.

Weather Impacts Pacific

— Oregon / Idaho border, just south of I-84: Flood Advisory this morning, with up to an inch of rain having already fallen and another 0.5 to 1 inch expected over the area. I-84, US-20, US-26, US-95 impacted.

— Central and northeast Nevada: Freeze Watch late tonight and Sunday morning, temperatures as low as 27 degrees F.

— Much of central and northeast Nevada: Red Flag Warnings continue through late tonight, with gusts 45 to 50 mph and very dry fuels. I-80, US-6, US-50, US-93, US-95, US-395 impacted.

— South-central and eastern Nevada: Wind Advisories today and tonight, with winds 20 to 30 mph and gusts up to 50 mph; blowing dust could reduce visibility to one mile or less in spots. I-80, US-93 impacted.

— Southeast California, southern Nevada, and northwest Arizona deserts: Red Flag Warnings continue through late tonight, including the Mojave Desert, Death Valley area, Lower Colorado River Valley, Lake Mead/Lake Mohave areas, and northwest Arizona, with southwest winds 20 to 30 mph and gusts to 40 to 50 mph. Fast fire spread and smoke near active fires are the main travel concerns. I-11, I-15, I-40, US-6, US-93, US-95 impacted.

— Interior Southern California and southern Nevada, including the Mojave Desert, Las Vegas region, Death Valley area, Tehachapi corridor, and Kern County desert areas: Wind Advisories continue through Sunday morning, with winds generally 20 to 35 mph and gusts up to 50 to 55 mph. I-11, I-15, I-40, US-93, US-95, US-395 impacted.

— Parts of Southern California: Wind Advisories continue through Sunday, including the Santa Ynez Mountains, Antelope Valley, Apple and Lucerne Valleys, San Diego County deserts, Imperial County, and San Gorgonio Pass; strongest winds near San Gorgonio Pass may reach 30 to 45 mph with gusts to 65 mph. I-8, I-10, I-15, US-101, US-395 impacted.

— Southern California and adjacent southwest Arizona Lower Colorado River Valley, Imperial Valley, Palo Verde Valley, Parker Valley, and Lake Havasu/Fort Mohave areas: Red Flag Warnings and Wind Advisories today and tonight, with winds 20 to 30 mph and gusts up to 40 to 45 mph. I-8, I-10, I-40, US-60, US-95 impacted.

Weather Impacts Mountain:

— Northwest Montana East Glacier Park region: Flood Watch begins Sunday evening and continues through Tuesday, with rainfall amounts of 2 to 4 inches possible by Monday and higher-elevation melting snow runoff contributing to flooding concerns. US-2, US-89 impacted.

—East-central Idaho and southwest Montana above 6500 feet: Winter Storm Warnings and Advisories early this evening through Monday, with 4-8 inches of snow possible, including Lemhi Pass and Bannock Pass. I-15, I-90, US-12, US-93, US-191 impacted.

— Parts of central and southwest Idaho, including the Boise Mountains: Flash Flood Watch through early evening. US-20 potentially impacted.

— Eastern Montana, much of Wyoming, southeastern Idaho, and north-central Utah: Severe thunderstorms are expected late this afternoon into early tonight, with initial supercells and later storm clusters capable of severe outflow winds, very large hail, and a risk for a tornado or two across eastern Montana. I-15, I-25, I-80, I-84, I-86, I-90, I-94 potentially impacted.

— Utah, western and central Colorado, most of Arizona, and western, central and northeast New Mexico: Red Flag Warnings and Wind Advisories today through Sunday, with winds generally 20 to 35 mph and gusts commonly 40 to 55 mph. Strongest crosswinds affect exposed passes, basins, plateaus, desert routes, canyon country, and higher terrain; fast fire spread is the main concern where fuels are dry. I-10, I-15, I-17, I-19, I-25, I-40, I-70, I-80, I-84, US-6, US-24, US-40, US-50, US-54, US-60, US-64, US-70, US-84, US-89, US-89A, US-160, US-191 impacted.

Weather Impacts Central:

— Northern North Dakota: Flash flooding is possible today into tonight. US-2, US-52, US-83, US-85, US-281 potentially impacted.

— Central North Dakota and central South Dakota: Wind Advisories late this morning through early evening, with wind gusts 45-50 mph. I-90, I-94, US-12, US-14, US-52, US-83 impacted.

— North Dakota, western Minnesota, South Dakota, and much of Nebraska: Severe thunderstorms are possible late this afternoon into early tonight, with initial supercells and later storm clusters capable of severe outflow winds, very large hail, and a chance for tornadoes. The greatest risk of severe weather will be across western North Dakota. I-29, I-76, I-80, I-90, I-94, US-2, US-6, US-10, US-12, US-14, US-16, US-18, US-20, US-26, US-30, US-34, US-52, US-59, US-71, US-77, US-81, US-83, US-85, US-212, US-281, US-385 potentially impacted.

— Most of North Dakota, most of Minnesota, northwestern Wisconsin, South Dakota, and northwest Nebraska: Severe thunderstorms are possible Sunday, with 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-80, I-90, I-94 potentially impacted.

— Most of North Dakota, Minnesota, parts of Wisconsin, parts of South Dakota, parts of Iowa, and central and eastern Nebraska: Severe thunderstorms are possible Monday, with large hail and severe winds the primary concerns. The greatest risk of severe weather will be across most of Minnesota, northwestern Wisconsin, eastern South Dakota, northwestern Iowa, and central and northeastern Nebraska. I-29, I-35, I-35E, I-35W, I-39, I-80, I-90, I-94 potentially impacted.

— Southeast South Dakota, eastern Nebraska, much of Iowa, southeast Minnesota, southwest and west-central Wisconsin, central and eastern Kansas, Missouri, and southwest Illinois: Extreme Heat Watches and Advisories begin Sunday and continue into Friday. Heat index values generally range from 100 to 110 degrees. Overnight lows only in the mid to upper 70s in parts of Kansas and Missouri. I-29, I-35, I-44, I-49, I-55, I-64, I-70, I-74, I-80, I-88, I-90, I-94 impacted.

— Southeast Kansas, northeast Oklahoma, southwest Missouri, northern Arkansas, southern Illinois, Kentucky and northern Tennessee: Flood Watches with embedded Advisories and FLASH FLOOD WARNINGS continue into Sunday. Rainfall totals up to 5 inches will be common, with localized amounts up to 6 inches. I-24, I-35, I-40, I-44, I-49, I-55, I-57, I-64, I-65, I-69, US-50, US-54, US-59, US-60, US-64, US-70, US-75, US-127 impacted.

— Eastern Kansas, western Missouri, and central Missouri: Patchy dense fog, with visibility reducing quickly in spots. I-29, I-35, I-49, I-70, US-36, US-59 impacted.

— Far southwest Texas, including the Rio Grande area: Heat Advisories today, with temperatures near 95 in the mountains and up to 115 degrees along the Rio Grande expected.

— Much of western and northwest Texas: A few severe storms are possible today, with isolated damaging wind gusts. I-10, I-20, I-27, I-40, US-60, US-62, US-67, US-70, US-82, US-83, US-84, US-87, US-90, US-180, US-285, US-287, US-380, US-385, US-412 potentially impacted.

— Missouri, northern Arkansas, central and southern Illinois, Kentucky and most of Tennessee: A few severe storms are possible today, with isolated wind damage and the chance for a tornado. 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 potentially impacted.

— Southeast Louisiana: Heat Advisory late this morning through early evening, with heat index values up to 108 degrees.

Weather Impacts Eastern:

— Southern Indiana and central Kentucky: FLASH FLOOD WARNINGS this morning, where up to 4.5 inches of rain have already fallen, and additional rainfall up to 0.5 to 2 inches possible. Water over roads and rapid rises in low spots may affect travel. I-64, I-65, I-69, US-31E, US-60 impacted.

— Southern Indiana, southern Ohio, Kentucky, West Virginia, southwest Pennsylvania ridges, southwest Virginia, and eastern Tennessee: Flood Watches continue through Sunday, with flash flooding possible today into tonight where repeated rain and storms persist from the Ohio Valley into the southern Appalachians. Kentucky rainfall may reach 1 to 3 inches, with localized 3 to 5 inch totals in south-central Kentucky; another 1 to 2 inches is possible in parts of Indiana. I-26, I-40, I-64, I-65, I-68, I-69, I-70, I-71, I-75, I-77, I-79, I-81 impacted.

— Michigan western Upper Peninsula: A few severe storms are possible Sunday, containing isolated hail or wind gusts. US-2, US-41, US-45, US-51 potentially impacted.

— Michigan central and western Upper Peninsula: Severe thunderstorms are possible Monday. US-2, US-8, US-41, US-45, US-51, US-141 potentially impacted.

— Eastern Maine: Dense Fog Advisories this morning, with visibility down to a quarter mile. I-95, US-1, US-2, US-4, US-201 impacted.

— Southern Indiana, southern Ohio, Kentucky, most of Tennessee, central and southern West Virginia most of Virginia, southern DELMARVA Peninsula, North Carolina, much of South Carolina, and northern Georgia: Scattered severe storms are possible today; damaging wind gusts are the primary hazard. The greatest risk of severe weather will be across most of North Carolina and adjacent South 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.

— South-central and southeast Virginia, much of North Carolina, and northeastern South Carolina: A few severe storms are possible Sunday. I-20, I-40, I-64, I-73, I-74, I-77, I-81, I-85, I-87, I-95 potentially impacted.

Outlook Monday June 29th through Friday July 3rd:

— Monday, June 29: small portions of east-central California: Frost or freeze concerns may create challenging conditions. Major highways potentially affected include US-395.

— Monday, June 29 through Thursday, July 2: portions of southern Oregon: Frost or freeze concerns may create challenging conditions. Major highways potentially affected include US-20, US-395.

— 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.

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

— Monday, June 29 through Tuesday, June 30: much of central Idaho and portions of southwestern Montana: Frost or freeze concerns may create challenging conditions. Major highways potentially affected include I-15, I-90.

— Monday, June 29 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 conditions. Major highways potentially affected include I-90, US-89.

— Monday, June 29: portions of the central Rockies and adjacent Southwest: 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.

— Monday, June 29: portions of the central Plains, southern Plains, Upper Midwest, and western Great Lakes: 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, I-94.

— Monday, June 29 through Friday, July 3: portions of the central U.S., Midwest, Lower Mississippi Valley, Ohio Valley, and central Appalachians: Heat concerns may create challenging conditions. Major highways potentially affected include 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-76, I-79, I-80, I-90, I-94.

— Monday, June 29 and again Thursday July 2 through Friday July 3: portions of the Southeast from Alabama and Florida into the Carolinas: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-40, I-65, I-74, I-75, I-85, I-95.

— Wednesday, July 1 through Thursday, July 2: portions of the Northeast and southern New England: Heat concerns may create challenging conditions. Major highways potentially affected include I-79, I-81, I-84, I-87, I-90, I-91, I-95.

— Wednesday, July 1 through Friday, July 3: portions of the central Appalachians, Mid-Atlantic, and southern New England: Heat concerns may create challenging conditions. Major highways potentially affected include I-40, I-64, I-70, I-74, I-75, I-76, I-79, I-80, I-81, I-84, I-85, I-87, I-91, I-95.

Extended Outlook July 4th through July 10th:

— Saturday, July 4 through Tuesday, July 7: much of Oregon and California: Strong winds may develop, which could create hazardous crosswinds for high-profile vehicles. Major highways potentially affected include I-5, I-10, I-80, US-101, CA-1.

— Saturday, July 4 through Tuesday, July 7: portions of the interior West, Rockies, 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-35, I-40, I-55, I-65, I-70, I-75, I-76, I-80, I-84, I-90, I-94, I-95.

— Saturday, July 4 through Sunday, July 5: portions of the northern Plains, central Plains, Midwest, Lower Mississippi Valley, Southeast, and Mid-Atlantic: 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-71, I-74, I-75, I-76, I-79, I-80, I-81, I-85, I-90, I-94, I-95.

— Saturday, July 4: portions of the central Plains, Midwest, Ohio Valley, Southeast, and central Appalachians: Extreme heat is expected, which may create challenging travel conditions. Major highways potentially affected include I-20, I-29, I-35, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-79, I-80, I-81, I-85, I-87, I-90, I-95.

— Saturday, July 4 through Monday, July 6: portions of the Ohio Valley, Mid-Atlantic, and Northeast: Heavy precipitation may develop, which could create localized flooding and reduced visibility. Major highways potentially affected include I-40, I-64, I-70, I-71, I-74, I-76, I-79, I-80, I-81, I-84, I-85, I-87, I-90, I-91, I-95.

— Saturday, July 4 through Tuesday, July 7: portions of the Great Lakes, Ohio Valley, and Northeast: Extreme heat may develop, which could create challenging travel conditions. Major highways potentially affected include I-35, I-71, I-75, I-76, I-79, I-80, I-81, I-84, I-87, I-90, I-91, I-94, I-95.

Forecast Confidence for the Extended Outlook:

Confidence is generally good through Friday, July 3, with good large-scale agreement on the main pattern. Confidence decreases later in the outlook because of a changing circulation pattern and greater uncertainty in precipitation details.

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