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

• Tropical Depression Edouard and ongoing FLASH FLOOD WARNINGS bring life-threatening flooding to southeastern and east-central Texas today, with additional heavy rain continuing into Thursday morning.
• Prolonged heat affects the central Plains, Mississippi and Ohio valleys, and Southeast through Saturday, with heat indices locally reaching 115 in far southern Texas.
• Severe thunderstorms threaten the eastern Great Lakes and Mid-Atlantic today and tonight, with damaging winds, large hail, and a few tornadoes possible.

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:

— Western and coastal Washington: Wind Advisories today, with south to southeast winds of 20 to 35 mph producing locally difficult driving near the coast and exposed waterways. I-5, US-101 impacted.

— Far northern coastal and interior California: Wind Advisories today, with gusts up to 50 mph producing locally difficult driving along exposed coastal headlands and ridges. US-101, US-199, CA-36, CA-96, CA-299 impacted.

Weather Impacts Mountain:

— Southwestern Montana, including the Madison River Valley: A High Wind Warning today, High Wind Watch tonight and Thursday, and Red Flag Warning today and Thursday will bring gusts up to 60 mph and locally difficult driving. I-15, I-90, US-287 impacted.

— Much of Montana: Scattered severe thunderstorms are possible this afternoon into tonight, with damaging winds and sporadic large hail. The greatest risk of severe weather will be across northern Montana. I-15, I-90, I-94, US-2, US-12, US-87, US-89, US-93, US-191, US-287 potentially impacted.

— Central Idaho: A Red Flag Warning today, with frequent lightning and thunderstorm outflow gusts up to 45 mph supporting rapid fire spread. US-20, US-26, US-93 impacted.

— South-central and southeast Arizona: Scattered flash flooding is possible Thursday as increasing moisture produces more widespread thunderstorms, potentially flooding low roads and crossings. I-10, I-19, US-89, US-191 potentially impacted.

— Southern Arizona: Flash flooding is possible Friday as monsoonal moisture supports heavy thunderstorms, creating difficult travel on flood-prone roads and crossings. I-8, I-10, I-17, I-19, US-60, US-70, US-89, US-93, US-191 potentially impacted

Weather Impacts Central:

— Southeastern Texas, including Kountze, Village Mills, and Honey Island: A FLASH FLOOD EMERGENCY this morning. Between 10 and 21 inches of rain have fallen, with rainfall rates of 1 to 5 inches in one hour; life-threatening flooding is already affecting low-water crossings, streams, streets, highways, and underpasses. US-287 impacted.

— Southeastern Texas in Hardin, Jefferson, and Tyler counties: A FLASH FLOOD WARNING continues this morning after 5 to 10 inches of rain fell within a few hours. Life-threatening flooding may cover highways, streets, underpasses, creeks, and streams. US-90, US-190, US-287 impacted.

— Southeastern Texas in Liberty, Montgomery, and San Jacinto counties: A FLASH FLOOD WARNING continues this morning. Between 1 and 4 inches of rain have fallen, with another 2 to 4 inches possible; flooding may cover highways, streets, underpasses, and poor-drainage areas. I-69, US-59 impacted.

— Southeastern Texas in Polk and San Jacinto counties: A FLASH FLOOD WARNING continues this morning. Between 9 and 13 inches of rain have fallen, with another 2 to 4 inches possible; life-threatening flooding may affect highways, streets, underpasses, creeks, and streams. US-59, US-190 impacted.

— Western North Dakota: Isolated severe thunderstorms with damaging winds and hail are possible this afternoon into tonight. I-94, US-2, US-12, US-85 potentially impacted.

— Eastern North Dakota and South Dakota, most of Minnesota, much of Wisconsin, parts of Iowa, and northern Illinois: Scattered severe thunderstorms are possible Thursday, with gusts over 75 mph, hail up to 2 inches, and a tornado possible. The greatest risk of severe weather will be across southern Minnesota, central and western Wisconsin, and north-central and northeast 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.

— Eastern Nebraska, much of Kansas, central and southern Oklahoma, northern and far southern Texas, much of Iowa, Missouri and Illinois, northwestern and southwestern Indiana, western Kentucky, Middle and western Tennessee, much of Arkansas, northeastern Louisiana, much of Mississippi, and central and northern Alabama: Extreme Heat Warnings and Advisories through Saturday. Heat indices may reach 115 in far southern Texas, 110 in the lower Mississippi Valley, and around 109 elsewhere. I-24, I-55, I-57, I-64, I-69, I-74, I-80, I-88 impacted.

— Eastern Texas: Wind Advisories today, with gusts up to 40 mph. I-45, US-59, US-90, US-190, US-287 impacted.

— East-central, eastern, northeastern, and southeastern Texas: Flood Watches today and Thursday, with repeated heavy rain and training bands capable of rates over 3 to 4 inches per hour. Most of the east-central watch area may receive 1 to 3 inches, with localized totals of 4 to 6 inches, producing flash flooding on urban, low-lying, and poor-drainage roads. I-10, I-45, I-69, US-59, US-79, US-84, US-90, US-190 potentially impacted.

— Far southern Minnesota, much of Iowa and Illinois, and far northwestern Kentucky: Isolated severe thunderstorms with damaging winds and hail are possible Friday, creating rapidly changing driving conditions. I-35, I-39, I-55, I-57, I-64, I-65, I-70, I-72, I-74, I-80, I-88, I-90, I-94 potentially impacted.

— Southeastern Wisconsin: Isolated severe thunderstorms with damaging winds and hail are possible today and tonight. I-39, I-41, I-43, I-90, I-94, US-10, US-18, US-41, US-45, US-51, US-141 potentially impacted.

Weather Impacts East:

— Northeastern Ohio and northwestern Pennsylvania: A SEVERE THUNDERSTORM WARNING remains in effect until 8:45 AM EDT for eastern Ashtabula and western Crawford counties, with 60 mph wind gusts and ping-pong-ball-size hail capable of damaging vehicles and obstructing roads. I-79, US-6, US-322 impacted.

— Western New York: A SEVERE THUNDERSTORM WARNING remains in effect until 8:30 AM EDT for portions of Allegany, Cattaraugus, Erie, Livingston, and Wyoming counties, with 60 mph wind gusts and quarter-size hail capable of damaging vehicles and trees. I-86, I-90, I-390, US-20, US-219 impacted.

— Southern Michigan’s Lower Peninsula, much of Indiana and Ohio, eastern and central Kentucky, eastern Tennessee, much of West Virginia, parts of Pennsylvania, central and southern New Jersey, northern Delaware, central and eastern Virginia, eastern North Carolina, northeastern South Carolina, and northwestern Georgia: Heat Advisories through Friday. Heat indices may reach 109 in Virginia and North Carolina and 108 degrees in Indiana.

— Most of Michigan’s Lower Peninsula, northern Ohio and West Virginia, much of New York, Pennsylvania, New Jersey, Maryland, the District of Columbia, Delaware, and eastern Virginia: Severe thunderstorms are possible today and tonight, with damaging winds the main threat and large hail and a few tornadoes also possible. I-64, I-66, I-68, I-69, I-70, I-71, 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-94, I-95, I-96, I-97, I-99 potentially impacted.

— Southern Michigan’s Lower Peninsula, much of Indiana, Ohio, far northeastern Kentucky, most of West Virginia, central and southern Pennsylvania, southern New Jersey, Maryland, the District of Columbia, Delaware, most of Virginia, and northeastern North Carolina: Scattered severe thunderstorms are possible Thursday, with damaging winds the main threat and rapidly changing driving conditions. 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-85, I-90, I-94, I-95, I-96, I-97, I-99 potentially impacted.

— Most of Indiana, much of Ohio, most of eastern Kentucky, northeastern Tennessee, West Virginia, parts of Maryland, the District of Columbia, Virginia, and most of North Carolina: Scattered severe thunderstorms are possible Friday, mainly producing damaging wind gusts. The greatest risk of severe weather will be across southwestern West Virginia, southern Virginia, and northeastern North Carolina. I-26, I-40, I-64, I-65, I-66, I-68, I-69, I-70, I-71, I-73, I-74, I-75, I-77, I-79, I-80, I-81, I-85, I-87, I-90, I-94, I-95, I-97 potentially impacted.

— Central and southern New York and central and eastern Pennsylvania: Scattered to widespread thunderstorms may produce flash flooding today, especially on urban, low-lying, and poor-drainage roads. I-76, I-78, I-80, I-81, I-83, I-84, I-86, I-88, I-90, I-99 potentially impacted.

— Northern and western Pennsylvania: A Flood Advisory and strong to potentially severe thunderstorms this morning may bring gusts up to 50 mph, hail up to one-half inch, and locally 1 to 2 inches of rain. In the Erie area, 0.5 to 1.5 inches has fallen and another 0.5 to 1.5 inches is expected, causing water over low and poor-drainage roads. I-76, I-79, I-80, I-86, I-90, US-6, US-22, US-219, US-322, US-422 impacted.

Tropical Weather Outlook for the next 7 days:

— Tropical Depression Edouard is 70 miles northwest of Beaumont, Texas, with maximum sustained winds of 35 mph. It will continue north-northwest while weakening and is forecast to dissipate tonight. Rain bands will track across east-central Texas through Thursday morning, with 4 to 8 inches along Edouard’s path and isolated totals up to 12 inches from the upper Texas coast inland through east-central Texas; significant flash flooding is possible, especially in urban and low-lying areas, while southwest Louisiana may receive 2 to 4 inches.

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

— Tropical Storm Marie is not currently expected to disrupt road travel in the continental United States. However, life-threatening surf and rip currents may reach Southern California over the weekend.

Extended Hazard Outlook

Outlook Friday September 4th through Tuesday September 8th:

— Friday, September 4 through Monday, September 7: Southeastern California and Nevada into southwestern Utah and most of Arizona: Heavy rain may create localized flooding or difficult travel conditions. Major highways potentially affected include I-8, I-10, I-15, I-40, I-70.

— Friday, September 4 through Tuesday, September 8: Central and southern Plains through the Lower Mississippi Valley, extending into southwestern Tennessee and northwestern Alabama: Hazardous heat 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-70.

— Friday, September 4 through Saturday, September 5: Central Plains through the Midwest and Ohio and Tennessee Valleys, with small extensions into northeastern Mississippi and northwestern Alabama: Hazardous heat may create challenging travel conditions. Major highways potentially affected include I-29, I-35, I-40, I-55, I-64, I-65, I-70, I-71, I-74, I-80.

— Friday, September 4: Ohio and Tennessee Valleys through the Southeast into the southern Mid-Atlantic: Hazardous heat may create challenging travel conditions. Major highways potentially affected include I-20, I-40, I-64, I-65, I-71, I-74, I-75, I-85, I-87, I-95.

Extended Outlook September 9th through 15th:

— Wednesday, September 9 through Friday, September 11: The Southwest and Four Corners region, extending from southeastern California and Nevada into southwestern Wyoming: Heavy precipitation may develop, creating localized flooding or difficult travel conditions. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40, I-70, I-80, I-84.

— Wednesday, September 9 through Saturday, September 12: From the central and southern Rockies across the Plains, Mississippi and Ohio Valleys, Southeast, and southern Mid-Atlantic: Extreme heat may develop, creating challenging travel 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-81, I-85, I-95.

Confidence in the Extended Outlook:

Confidence is average through most of the weekend but decreases heading into next week as forecast differences increase. Confidence is below average later in the extended outlook because the larger-scale pattern becomes less certain and forecast signals are weaker.

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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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