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

• Heavy rain from the remnants of Edouard threatens eastern Texas travel today, with additional flash flooding possible after storm totals of 5 to 10 inches and localized totals up to 22 inches.
• Incessant heat stretches from the central Plains and Mississippi Valley into the Ohio Valley and Southeast through Saturday, with heat index values reaching 110 to 115 degrees.
• Severe thunderstorms may disrupt travel from North Dakota through the Upper Midwest and also from the Great Lakes into the Mid-Atlantic today, with persistent severe-weather in the Mid-Atlantic through Saturday.

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:

— Eastern Oregon: Flash Flood Watches today and Friday, with heavy rain capable of causing flash flooding and debris flows near recent wildfire burn scars. I-84, US-20, US-26, US-95, US-395 potentially impacted.

— Southwestern California, along the Santa Barbara coast and western Santa Ynez Mountains: A Wind Advisory today with gusts up to 50 mph. US-101 impacted.

Weather Impacts Mountain:

— Southwest and south-central Montana and much of Wyoming: Red Flag Warnings today, with wind gusts up to 50 mph supporting rapid and erratic fire spread. I-15, I-25, I-80, I-90, I-94, US-12, US-14, US-16, US-18, US-20 impacted.

— Southwest Idaho: A Flash Flood Watch today and Friday includes the Wapiti Burn Area, where heavy rain may cause flash flooding and debris flows. US-20 potentially impacted.

— South-central and southeast Arizona: Scattered flash flooding is possible today as monsoonal thunderstorms increase, potentially covering low roads and crossings. I-10, I-19, US-70, US-89, US-191 potentially impacted.

— Southeast Arizona and central and southwestern New Mexico: Isolated to scattered flash flooding is possible Friday amid increasing monsoonal moisture. I-10, I-19, I-25, US-60, US-70, US-89, US-180, US-191 potentially impacted.

Weather Impacts Central:

— A small part of west-central North Dakota, including Williston: A Flood Advisory continues through 7:30 AM CDT after 1 to 3 inches of rain, with urban and small-stream flooding and ponding possible. US-2, US-85 impacted.

— Northern and eastern North Dakota, most of Minnesota, Wisconsin, eastern Iowa, and northern Illinois: Scattered severe thunderstorms with damaging winds and large hail are possible today into tonight, and a tornado is also possible. The greatest risk of severe weather will be across eastern North Dakota, northwestern Minnesota, and southeastern Wisconsin. 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.

— Southwestern South Dakota: A Red Flag Warning today brings gusts up to 30 mph that may support rapid fire spread. US-18 impacted.

— Eastern and south-central Nebraska, central and eastern Kansas, parts of Oklahoma, northern and southern Texas, central and southern Iowa, Missouri, and northwest Arkansas: Heat Advisories continue through Saturday. Heat index values may reach 115 degrees in southern Texas and 108 elsewhere, while temperatures may reach 108 degrees in the southeastern Texas Panhandle and Rolling Plains.

— Much of eastern Texas: Flood Advisories and Watches continue today. Up to 5 inches of rain have already fallen. Another 1 to 3 inches is possible, with localized storm totals up to 6 inches falling over saturated ground, increasing the threat of flash flooding and water over low roads. I-10, I-20, I-45, I-69, US-59, US-79, US-84, US-90, US-190 impacted.

— Southern Minnesota, southern Wisconsin, much of Iowa, and much of Illinois: Isolated severe thunderstorms capable of damaging winds and large hail are possible Friday afternoon into night. I-35, I-39, I-41, I-43, I-55, I-57, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Iowa, Missouri, Illinois, portions of Indiana, and western Kentucky: Extreme Heat Warnings and Advisories continue today, with dangerous heat lasting through Friday or Saturday in many areas, including Des Moines and St. Louis. Heat index values may reach 110 degrees. I-24, I-39, I-44, I-55, I-57, I-64, I-69, I-70, I-72, I-74, I-80, I-88, I-90, I-94 impacted.

— Southeast Missouri, Tennessee, Arkansas, northeast Louisiana, Mississippi, and northern and central Alabama: Heat Advisories continue today, with much of the region remaining hot through Saturday. Heat index values may reach 110 degrees.

— East-central Illinois and central Kentucky: Isolated severe thunderstorms are possible Saturday. I-39, I-55, I-57, I-64, I-65, I-69, I-70, I-72, I-74 potentially impacted

Weather Impacts East:

— Parts of south-central and southeast Pennsylvania, including Harrisburg, Lancaster, and Lebanon: A FLASH FLOOD WARNING continues through early this morning after 1 to 3 inches of rain have already fallen; up to 2 additional inches of rain are possible. Flash flooding is ongoing or expected along small streams and across urban roads, highways, streets, and underpasses. I-76, I-78, I-81, I-83, US-22, US-30, US-322, US-422 impacted.

— Parts of central and northwestern Pennsylvania: FLOOD WARNINGS continue through mid morning after up to to 4 inches of rain, with flooding ongoing or imminent along streams and low-lying roads. I-80, I-99, US-6, US-11, US-15, US-22, US-219 impacted.

— Southeastern Pennsylvania, northern Delaware, and southern New Jersey, including Philadelphia, Wilmington, and Camden: A FLOOD WARNING continues mid-morning after up to 1.5 inches of rain, with another inch possible. Urban and small-stream flooding is ongoing or expected. I-76, I-95, US-13, US-30, US-322, US-422 impacted.

— Eastern Michigan, including the Saginaw Valley and Thumb: Patchy dense fog this morning may rapidly reduce visibility to one mile or less. I-75, US-10, US-23 impacted.

— Southwest Michigan, Indiana, Ohio, Kentucky, East Tennessee, West Virginia, and southwestern Pennsylvania: Heat Advisories today and Friday bring heat index values up to 107 degrees.

— Southern Michigan, northern Indiana, most of Ohio, most of West Virginia, New Jersey, most of Pennsylvania, Maryland, the District of Columbia, Delaware, and much of Virginia: Scattered severe thunderstorms with damaging winds, hail, and a low risk for tornadoes, are possible today into tonight. 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-90, I-94, I-95, I-96, I-97, I-99 potentially impacted.

— Indiana, most of Ohio, north-central and eastern Kentucky, West Virginia, southwestern Pennsylvania, much of Maryland, the District of Columbia, southern Delaware, Virginia, and most of North Carolina: Scattered severe thunderstorms mainly producing damaging winds are possible Friday. The greatest risk of severe weather will be across south-central and southeast West Virginia, southeastern Maryland, most of Virginia, and northern and eastern North Carolina. I-26, I-40, I-57, 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-79, I-80, I-81, I-83, I-85, I-87, I-90, I-94, I-95, I-97, I-99 potentially impacted.

— Much of Indiana, southwestern Ohio, much of Kentucky, northeastern Tennessee, southwestern West Virginia, southern Virginia, North Carolina, and much of South Carolina: Scattered severe thunderstorms are possible Saturday. The greatest risk of severe weather will be across northeastern Tennessee, North Carolina, and northern South Carolina. I-20, I-26, I-40, 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.

— West Virginia’s Eastern Panhandle, central New Jersey, south-central and southeast Pennsylvania, Eastern Short of Maryland, Delaware, northern, central and eastern Virginia, central and eastern North Carolina, northeast South Carolina, and northwest Georgia: Heat Advisories today bring heat index values up to 108 degrees.

— Central Pennsylvania: A Flood Watch today for multiple rounds of thunderstorms with rainfall rates exceeding 3 inches per hour where storms repeatedly cross the same locations, raising the threat of flash flooding along streams and poor-drainage roads. I-70, I-76, I-78, I-80, I-81, I-83, I-99 potentially impacted.

— Southeastern Virginia and interior northeast North Carolina: Locally dense fog through 9 AM may reduce visibility to one-half mile or less, locally one-quarter mile or less, creating rapidly changing driving conditions. I-64, I-85, I-95, US-13, US-17, US-58, US-60, US-158 impacted.

— Southeast Georgia and northeast Florida: Patchy dense fog through early morning may reduce visibility to one-half mile or less with rapid changes over short distances. I-10, I-75, I-95, US-1, US-17, US-23, US-25, US-27 impacted.

Tropical Weather Outlook for the next 7 days:

— The remnants of Edouard are 40 miles southeast of Dallas, Texas, with maximum sustained winds of 25 mph, and should dissipate within 24 hours. Another 2 to 4 inches of rain is possible across northeast Texas today, bringing storm totals to 5 to 10 inches with maximum totals up to 22 inches. Additional flash flooding is possible, especially in low-lying and urban areas, and isolated moderate to major river flooding is expected.

— Hurricane Karina is weakening over the eastern Pacific. This system is not currently expected to threaten the continental United States.

— Hurricane Marie is not currently expected to disrupt road travel in the continental United States. However, life-threatening surf and rip currents are possible along the Southern California coast this weekend.

Extended Hazard Outlook

Outlook Saturday September 5th through Wednesday September 9th:

— Saturday, September 5 through Monday, September 7: Most of Arizona, southwestern Utah, southeastern Nevada, and southeastern California: Heavy rain may create localized flooding and difficult travel. Major highways potentially affected include I-8, I-10, I-15, I-40, I-70.

— Saturday, September 5 through Wednesday, September 9: Central and southern Plains into the Lower Mississippi Valley: Hazardous heat 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-70, I-80.

— Saturday, September 5: From southeastern Nebraska and Iowa through the Midwest and Ohio Valley into the Tennessee Valley and Carolinas: Hazardous heat may create challenging 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-80, I-85, I-95.

Extended Outlook September 10th through 16th:

— Thursday, September 10 through Friday, September 11: The Southwest and Intermountain West, from southeastern California and Nevada through Arizona and Utah into the southern and central Rockies: Heavy precipitation may develop, creating localized flooding and difficult travel. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40, I-70, I-80, I-84.

— Thursday, September 10 through Friday, September 11: From southeastern Colorado and New Mexico across the central and southern Plains, Lower Mississippi Valley, and Southeast into the Carolinas: Extreme heat may develop, creating challenging 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-74, I-75, I-85, I-87, I-95.

Confidence in the Extended Outlook:

Confidence is below average for the earlier period, with significant uncertainty in precipitation details across the Southwest. Confidence remains below average later in the outlook because of a more complex flow pattern and uncertainty involving the tropics, especially across the western U.S.

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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 and hurricane outlooks, heavy-rain risk, wind, smoke, heat/winter risk, and other always-updating 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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