RV Weather Road Trip Forecast for Thursday July 2, 2026

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

Dangerous heat from the Midwest to the East continues through Saturday, with heat index values commonly 100–110 and locally up to 115 across many major travel corridors from the Plains and Mississippi Valley to the I-95 corridor. This heat wave peaks today and Friday.
Severe thunderstorms and accompanying flash-floods affect the northern Plains, Upper Midwest, Great Lakes, and Mid-Mississippi Valley today and Friday, with damaging winds, hail, isolated tornado risk, and repeated storms possible along I-29, I-35, I-80, I-90, and I-94.
Severe thunderstorms spread into the East today through Saturday, with damaging winds and hail possible from Michigan and New England south into the Tennessee Valley and Mid-Atlantic; the weekend focus includes the I-95 corridor from Richmond to New York City.

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Significant travel weather for the next 2-3 days.

Weather Impacts Pacific

— No significant weather impacts to road travel today or Friday.

Weather Impacts Mountain:

— Eastern Montana, eastern Wyoming, and far-eastern Colorado: Strong to severe thunderstorms are possible today, with damaging wind gusts and hail the primary hazards. The greatest risk of severe weather will be across eastern Montana near the North Dakota border. I-25, I-70, I-76, I-80, I-90, I-94 potentially impacted.

— Eastern Montana and eastern Wyoming: Isolated to scattered severe thunderstorms are possible Friday. 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.

— East-central and southeast Wyoming, and northeast and east-central Colorado along and east of I-25: Isolated severe thunderstorms are possible Saturday. I-25, I-70, I-76, I-80, US-6, US-16, US-18, US-20, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-85, US-285, US-287, US-385, US-400 potentially impacted.

— Southeast Utah, much of southwest, central and south-central Colorado, and northeast New Mexico: Red Flag Warnings today, with southwest winds 15 to 25 mph, gusts up to 30 to 35 mph, relative humidity as low as 6 to 15 percent, and fast fire spread possible. I-25, I-70, US-24, US-50, US-56, US-64, US-84, US-87, US-160, US-163, US-191, US-285, US-491, US-550 impacted.

— South-central and southeast Colorado: Red Flag Warnings continue Friday, with wind gusts 30 to 35 mph, and relative humidity as low as 4 to 5 percent. I-25, US-24, US-50, US-85, US-160, US-285 impacted.

Weather Impacts Central

— Upper Midwest through the Mid-Mississippi, lower Ohio, Tennessee, and lower Mississippi Valleys: Extreme Heat Warnings and Advisories continue through Saturday, with heat index values up to 90 in northern Minnesota and northern Wisconsin, up to 100 in eastern and southern Wisconsin, generally 100 to 112 from Iowa, Illinois, Indiana, Missouri, Kansas, Kentucky, Arkansas, Mississippi, Tennessee, and Alabama, locally up to 114 in Arkansas, and up to 115 in northern Alabama and southern middle Tennessee.

— Southeast Minnesota: FLASH FLOOD WARNING continues through early this morning, where 2 to 3 inches of rain have fallen, another 1 to 2 inches is possible, emergency management has reported closed roads and difficult travel in Mower County, where flash flooding is already occurring. I-90, US-61 impacted and nearby highways may be impacted.

— Southeast Minnesota into west-central Wisconsin: FLOOD ADVISORY this morning. Doppler radar indicated 1 to 3 inches of rain fell over the past 3 hours, with another 1 to 4 inches possible. I-35, I-90, I-94, US-53, US-61 likely impacted.

— Central, east-central, and northeast Wisconsin: Flood Watch continues through late this morning, with rounds of storms and very heavy rain capable of producing another 1 to 3 inches of rainfall, with localized higher amounts in narrow bands. Flooding of rivers, creeks, streams, poor-drainage areas, and urban areas is possible. I-39, I-41, I-43, US-10, US-41, US-45, US-51, US-141 potentially impacted.

— Most of North Dakota, central and southern Minnesota, Wisconsin, South Dakota, most of Iowa, northern Illinois, Nebraska, and western Kansas: Strong to severe thunderstorms are possible today, with ldamaging wind gusts, large hail, and the chance for a tornado or two. The greatest risk of severe weather will be across southeastern North Dakota, eastern South Dakota, and southwestern Minnesota. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-55, I-57, I-70, I-74, I-76, I-80, I-88, I-90, I-94 potentially impacted.

— South-central and southeastern North Dakota, central and eastern South Dakota, southern Minnesota, much of Iowa, and southern and southwest Wisconsin into adjacent northern Illinois: Flash flooding is possible today, especially where repeated storms overlap already wet ground. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-80, I-90, I-94 potentially impacted.

— North Dakota, most of Minnesota, Wisconsin, South Dakota, Iowa, Nebraska, Illinois, northern Missouri, northern Kansas, most of Kentucky, and central and eastern Tennessee: Scattered severe thunderstorms are possible Friday, with damaging wind gusts and large hail the primary hazards. I-24, I-29, I-35, I-35E, I-35W, I-39, I-40, I-41, I-43, I-44, I-55, I-57, I-59, I-64, I-65, I-69, I-70, I-72, I-74, I-75, I-76, I-80, I-88, I-90, I-94 potentially impacted.

— Southeast South Dakota and adjacent northeast Nebraska, southern Minnesota, northern Iowa, and southern Wisconsin and adjacent northern Illinois: Flash flooding is possible Friday, with repeated storms capable of producing localized flooding. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-90, I-94 potentially impacted.

— Western South Dakota, western and southern Nebraska, Kansas, southern Wisconsin, Illinois, Missouri, and Kentucky: Isolated severe thunderstorms are possible Saturday. I-24, I-29, I-35, 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-76, I-80, I-88, I-90, I-94 potentially impacted.

— West-central Kansas: Flood Warning continues through late this morning near Scott City and Shallow Water, where 3 to 4.5 inches of rain have fallen and flooding of low-lying, flood-prone locations is imminent or occurring. US-83 impacted.

Weather Impacts Eastern:

— Most of the East, from Michigan and Maine southwards to I-20: Extreme Heat Warnings, Heat Advisories, and Extreme Heat Watch areas continue through Saturday, with heat index values generally 95 to 105 in northern and eastern Maine, coastal New Jersey, the Pocono Plateau, and parts of Michigan; 100 to 110 across Michigan, Indiana, Ohio, Kentucky, New York, Vermont, New Hampshire, Pennsylvania, western Maryland, Virginia, the Carolinas, and Georgia; 105 to 115 in southern New England, New York City, south-central Indiana, central Kentucky, the Washington/Baltimore region, Buckingham County VA, northeast North Carolina, far eastern Virginia, and northwest Georgia; and peak values up to 115 in the hottest urban and interior areas. The higher elevations of the central and southern Appalachians from Maryland to Georgia do NOT have Heat Advisories.

— Michigan, Upstate New York, most of Vermont and New Hampshire, and much of Maine: Scattered severe thunderstorms are possible today, with the potential for damaging wind gusts and some hail. I-69, I-75, I-80, I-81, I-87, I-89, I-90, I-91, I-93, I-94, I-95, I-96 potentially impacted.

— Michigan, Indiana, Ohio, Kentucky, central and eastern Tennessee, West Virginia, southern Vermont, southern New Hampshire, Massachusetts, New York, Rhode Island, Connecticut, Pennsylvania, New Jersey, Delaware, Maryland, District of Columbia, and northern, central and western Virginia: Scattered severe thunderstorms are possible Friday, with the potential for damaging wind gusts and some hail. I-26, I-40, I-57, I-64, I-65, I-66, I-68, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-78, I-79, I-80, I-81, I-83, I-84, I-86, I-87, I-88, I-89, I-90, I-91, I-93, I-94, I-95, I-96, I-97, I-99 potentially impacted.

— Southern Michigan, Indiana, Ohio, Kentucky, West Virginia, western, central and southern New York, Connecticut, Pennsylvania, New Jersey, Maryland, District of Columbia, and Virginia: Isolated to scattered severe thunderstorms are possible on Saturday, with damaging wind gusts the primary hazard. The greatest risk of severe weather will be centered on the I-95 corridor from Richmond to New York City. I-26, I-57, I-64, I-65, I-66, I-68, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-78, I-79, I-80, I-81, I-83, I-84, I-85, I-86, I-87, I-88, I-90, I-91, I-94, I-95, I-96, I-97, I-99 potentially impacted.

— Tennessee and adjacent southern Kentucky, western North Carolina, Upstate South Carolina, and northern Georgia: Scattered severe thunderstorms are possible today, with the potential for damaging wind gusts and some hail. I-20, I-24, I-26, I-40, I-59, I-65, I-75, I-77, I-81, I-85 potentially impacted.

— Southeast Florida: Flood Advisory this morning for Broward and Palm Beach areas, where 1 to 3 inches of rain have fallen and minor flooding is ongoing or expected in low-lying and poor-drainage areas. I-95, US-1, FL-A1A may be impacted.

Outlook Saturday July 4th through Wednesday July 8th:

— Saturday, July 4: portions of the northern Plains, Upper Midwest, and Great Lakes: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-35, I-80, I-90, I-94.

— Saturday, July 4: from Kansas, Oklahoma and Missouri, through the Midwest, Ohio Valley, Pennsylvania, New York, and New England: Heat concerns may create challenging conditions. Major highways potentially affected include 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-81, I-84, I-87, I-90, I-91, I-94, I-95.

— Saturday, July 4 through Sunday, July 5: from eastern Texas and the Lower Mississippi Valley into the Ohio Valley, central Appalachians, the Mid-Atlantic, central and southern Pennsylvania, and New Jersey: Heat concerns may create challenging conditions. Major highways potentially affected include I-10, I-20, 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-85, I-87, I-95.

— Saturday, July 4 through Tuesday, July 7: portions of southeastern Alabama, central and northern Florida, most of Georgia, South Carolina, North Carolina, and much of Virginia: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-40, I-64, I-65, I-74, I-75, I-85, I-87, I-95.

— Sunday, July 5: Much of Virginia, most of Maryland, District of Columbia, and the DELMARVA Peninsula: Severe Thunderstorms expected. Major highways potentially affected include I-64, I-70, I-95.

Extended Outlook July 9th through July 15th:

— Thursday, July 9 through Saturday, July 11: eastern Georgia, South Carolina, and most of North Carolina: Heavy precipitation may develop, which could create localized flooding and reduced visibility. Major highways potentially affected include I-20, I-40, I-74, I-85, I-87, I-95.

— Thursday, July 9 through Wednesday, July 15: much of the interior western U.S. and Rockies, into the Plains and Upper Midwest: Extreme heat may develop, which could create challenging conditions. Major highways potentially affected include I-8, I-10, I-15, I-25, I-29, I-35, I-40, I-70, I-76, I-80, I-84, I-90, I-94.

— Thursday, July 9 through Wednesday, July 15: much of western Oregon and western 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.

— Thursday, July 9 through Wednesday, July 15: southeastern Louisiana, southern Mississippi, southwest coastal Alabama, and Florida: Extreme heat may develop, which could create challenging conditions. Major highways potentially affected include I-4, I-10, I-55, I-65, I-75, I-95.

Forecast Confidence for the Extended Outlook:

Confidence is average for the earlier period, with generally good large-scale agreement. Uncertainty remains higher for smaller-scale details, especially where thunderstorms affect precipitation placement. Confidence decreases later in the outlook because of a changing mid-level pattern and increasing differences in the precipitation and temperature 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

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