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

• Widespread severe storms threaten travel from the Midwest through the Northeast and Southeast today, with damaging winds, hail and tornadoes possible
• Flash flooding is possible across the Southwest and western Texas today
• Heavy rain could flood roads across the I-95 corridor from New York City to Philadelphia today into early Sunday

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

This free daily forecast is separate from a paid RV Weather SureRoute subscription. SureRoute checks the weather along your specific route and travel timing.

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Significant travel weather for the next 2-3 days.

Weather Impacts Pacific

— Central Washington: Red Flag Warning today, with wind gusts up to 30 mph supporting rapid fire spread. US-2 impacted.

— North-central Oregon: Red Flag Warning today, with wind gusts up to 30 mph supporting rapid fire spread. I-82, I-84, US-97, US-395 impacted.

Weather Impacts Mountain:

— Much of western and central Montana and adjacent east-central Idaho: Isolated severe thunderstorms with damaging wind and hail are possible today. I-15, I-90, US-2, US-12, US-20, US-26, US-87, US-89, US-93, US-191 potentially impacted.

— Eastern Montana and adjacent northern Wyoming: Isolated severe thunderstorms with damaging wind and hail are possible Sunday. I-25, I-90, I-94, US-2, US-12, US-14, US-16, US-20, US-87, US-212 potentially impacted.

— Northwest Wyoming: Flood Watch today, with slow-moving thunderstorms capable of flooding streams, low-lying areas, and flood-prone roads. US-14, US-16, US-20, US-212 potentially impacted.

— Northeast Wyoming, western South Dakota, and the Nebraska Panhandle: Heat Advisories affect portions of the region today through Monday, with heat index values up to 105 and temperatures near or above 100 degrees.

— Southern Utah, southwestern Colorado, much of Arizona, parts of New Mexico, and far-west Texas: Flash flooding is possible today, with localized rainfall exceeding 3 inches producing rapid runoff, especially where soils remain saturated from recent rain. I-10, I-15, I-17, I-25, I-40, I-70 potentially impacted.

— Southwestern Utah, parts of Arizona, southern New Mexico, and far-west Texas: Flash flooding is possible Sunday as slow-moving afternoon storms develop over higher terrain and spread into lower elevations, with wet soils increasing runoff. I-10, I-15, I-17, I-25, I-40, I-70 potentially impacted.

— North-central Colorado, including Fort Collins, Boulder, Denver, and Greeley: Heat Advisory Sunday and Monday, with high temperatures from 99 to 102 degrees.

— Central and eastern Arizona and western New Mexico: Flash flooding is possible Monday as organized monsoon storms produce locally intense rainfall over saturated soils. I-10, I-17, I-19, I-40, US-60, US-70, US-89, US-180, US-191, US-491 potentially impacted.

— South-central New Mexico: Flood Watch today, with slow-moving thunderstorms producing rain rates over 1 inch per hour and rapid runoff over saturated ground, especially below recent burn scars. US-70, US-380 potentially impacted.

Weather Impacts Central

— South Texas, Val Verde County, along the Pecos River: FLASH FLOOD WARNING until 7:00 AM CDT, with a dangerous flood wave causing life-threatening flooding of highways, streets, and underpasses. This could be the highest crest on this river since 1974. US-90 impacted.

— North Dakota, northern South Dakota, and northern and central Minnesota: Scattered severe thunderstorms with damaging winds are possible Sunday. The greatest risk of severe weather will be across much of North Dakota. I-29, I-35, I-90, I-94, US-2, US-10, US-12, US-14, US-52, US-53, US-59, US-61, US-71, US-81, US-83, US-85, US-169, US-212, US-281, MN-61 potentially impacted.

— Eastern South Dakota, the eastern Nebraska fringe, much of Minnesota, Wisconsin, Iowa, northern Missouri, and northern Illinois: Scattered severe thunderstorms are possible Monday, with damaging winds the most likely hazard. The greatest risk of severe weather will be across central and eastern Minnesota, Wisconsin, and much of Iowa. I-29, I-35, I-35E, I-35W, I-39, I-41, I-43, I-55, I-57, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Western South Dakota and northern, western, and central Nebraska: Heat Advisories affect portions of the region today through Monday, with heat index values up to 106 and temperatures near or above 100 degrees.

— South Texas, in La Salle County along the Nueces River: Flood Warning beginning Monday afternoon, with major flooding forecast to cover roads near the river, including the I-35 frontage road near mile marker 67. I-35 impacted.

— Western and and northwestern Texas: Flash flooding is possible today, with localized rainfall exceeding 3 inches producing rapid runoff where soils remain saturated from recent rain. I-10, I-20, I-27, US-54, US-62, US-67, US-70, US-82, US-84, US-87, US-90, US-180, US-190, US-285, US-380, US-385 potentially impacted.

— Deep South Texas: Heat index values today may reach 108 to 111 degrees, briefly exceeding 111 degrees in a few locations. I-2, I-69, I-69E, US-77, US-83, US-281 impacted.

— Southeastern Iowa, and most of Illinois and Kentucky: Scattered severe thunderstorms with damaging winds are possible this afternoon and evening, with some threat lingering into late tonight. The greatest risk of severe weather will be across northern Illinois. I-24, I-39, I-40, I-41, I-43, I-55, I-57, I-59, I-64, I-65, I-69, I-70, I-72, I-74, I-75, I-80, I-88, I-90, I-94 potentially impacted.

— Southeast Iowa, central and southeast Missouri, west-central and southwest Illinois, western Kentucky, eastern Arkansas, eastern Louisiana, and western, central and southern Mississippi: Heat Advisories today through Tuesday, with heat index values up to 110 degrees.

Weather Impacts East

— Southern Michigan, Indiana, Ohio, most of Kentucky, central and eastern Tennessee, West Virginia, most of New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Maryland, the District of Columbia, Delaware, Virginia, most of North Carolina, upstate South Carolina, and northern Georgia: Numerous severe thunderstorms with damaging winds, hail, and tornadoes are possible this afternoon and evening, with some threat lingering into late tonight. I-20, I-24, I-26, I-40, I-57, I-59, I-64, I-65, I-66, I-68, I-69, I-70, I-71, I-73, 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-89, I-90, I-91, I-93, I-94, I-95, I-96, I-97, I-99 potentially impacted.

— Michigan Upper Peninsula, western Michigan Lower Peninsula, and northwestern Indiana: Scattered severe thunderstorms are possible Monday, with damaging winds the most likely hazard. The greatest risk of severe weather will be across most of Michigan Upper Peninsula. I-57, I-65, I-75, I-80, I-90, I-94, I-96 potentially impacted.

— Southwest Ohio: Flood Warning this morning, after 2 to 3.5 inches of rain fell on Friday; flooding of roads, streams and low-lying areas will continue despite no additional rainfall expected. I-71, US-50 impacted.

— Eastern Tennessee, central and southern Virginia, North Carolina, much of South Carolina, and northern Georgia: Scattered severe thunderstorms with damaging winds are possible Sunday. The greatest risk of severe weather will be across southeastern Virginia and central and eastern North Carolina. I-20, I-24, I-26, I-40, I-59, I-64, I-73, I-74, I-75, I-77, I-81, I-85, I-87, I-95 potentially impacted.

— Southeastern New York, much of New Jersey, eastern Pennsylvania, and northern Delaware: Flood Watches today into early Sunday, with rainfall rates from 1.5 to 2 inches per hour and localized totals of 2 to 3 inches in one to two hours capable of flooding urban and low-lying roads. I-76, I-78, I-80, I-87, I-95, US-13, US-22, US-30, US-40, US-202 potentially impacted.

— Western Pennsylvania: Flash flooding is possible today, with localized rainfall exceeding 3 inches producing rapid runoff, especially where soils remain saturated from recent rain. I-68, I-70, I-76, I-80, I-99, US-6, US-22, US-30, US-219, US-322, US-422 potentially impacted.

— Parts of central and eastern Maryland and the District of Columbia, much of Virginia along and east of I-95, central and eastern North Carolina, much of South Carolina, and central and eastern Georgia: Heat Advisories today, with heat index values up to 110 degrees.

— Most of North Carolina and adjacent northern South Carolina: Isolated severe thunderstorms are possible Monday. I-20, I-40, I-73, I-74, I-77, I-85, I-87, I-95 potentially impacted.

Outlook Monday July 20th through Friday July 24th:

— Monday, July 20 through Tuesday, July 21: Northern, central and eastern Arizona and western New Mexico: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-8, I-10, I-40.

— Monday, July 20: Northern and central Plains into the Upper Midwest: Hazardous heat may create challenging travel conditions. Major highways potentially affected include I-29, I-35, I-70, I-80, I-90.

— Monday, July 20 through Tuesday, July 21: Southeastern Kansas, Oklahoma, Missouri, and Arkansas: Hazardous heat may create challenging travel conditions. Major highways potentially affected include I-30, I-35, I-40, I-70.

— Monday, July 20: Southern Great Lakes and northern Indiana: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-55, I-65, I-80, I-90, I-94.

— Monday, July 20 through Friday, July 24: From southeastern Oklahoma and eastern Texas through the Lower Mississippi Valley and Southeast: Hazardous heat may create challenging travel conditions through Thursday, July 23 across the broader region, continuing through Friday, July 24 in Florida. Major highways potentially affected include I-4, I-10, I-20, I-30, I-35, I-40, I-55, I-65, I-75, I-85, I-95.

— Tuesday, July 21: Ohio Valley, central Appalachians, and interior Northeast: Severe weather may create rapidly changing and hazardous travel conditions. Major highways potentially affected include I-64, I-65, I-70, I-71, I-74, I-75, I-76, I-79, I-80, I-81, I-84, I-90.

— Tuesday, July 21: From Ohio and the central Appalachians through the Northeast: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-64, I-70, I-71, I-76, I-79, I-80, I-81, I-84, I-87, I-90, I-91, I-95.

— Wednesday, July 22 through Thursday, July 23: Intermountain West and central Rockies: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-15, I-25, I-70, I-76, I-80, I-84, I-90.

— Wednesday, July 22 through Thursday, July 23: Eastern North Carolina and adjacent northeastern South Carolina, and southeastern Virginia: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-20, I-40, I-64, I-74, I-85, I-87, I-95.

— Wednesday, July 22: North Carolina, northeastern South Carolina, Virginia, and the central Mid-Atlantic: Severe weather may create rapidly changing and hazardous travel conditions. Major highways potentially affected include I-40, I-64, I-70, I-74, I-85, I-87, I-95.

Extended Outlook July 25th through July 31st:

— Saturday, July 25 through Friday, July 31: California, the Southwest and Rockies, the northern and central Plains into the Upper Midwest, and the southern tier from Texas to Florida and Georgia: Extreme heat may develop, creating challenging travel conditions. Extreme heat is more likely Saturday, July 25 through Tuesday, July 28 from southeastern California and the Southwest through the central and southern Plains into southwestern Arkansas and northwestern Louisiana. Major highways potentially affected include I-4, I-5, I-8, I-10, I-15, I-20, I-25, I-29, I-30, I-35, I-40, I-55, I-65, I-70, I-75, I-76, I-80, I-90, I-94, I-95.

— Saturday, July 25 through Monday, July 27: Southeast, including southeastern Alabama, Florida, Georgia, the Carolinas, and southeastern Virginia: Heavy precipitation may develop, creating localized flooding and difficult travel. 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.

Confidence in the Extended Outlook:

Confidence is above average for the earlier period, with generally good large-scale agreement but considerable uncertainty in the details, especially near the Gulf. Confidence is somewhat higher at the start of the extended period, then decreases later as uncertainty grows in how the broader pattern and temperature outlook evolve.

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

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Weather Maps and National Outlooks

For current NWS hazards, severe-storm outlooks, heavy-rain risk, wind, smoke, heat/winter risk, and other automated weather graphics, visit:

Access to real-time road information:

Phone numbers and websites for road conditions in all 50 states. Courtesy of the Cheyenne WY Weather Forecast Office

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