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

• Severe storms threaten major travel corridors from the Plains to the Northeast today
• Flash-flood risk builds today and into the weekend from the Mid-South and Ohio Valley into the Mid-Atlantic
• Dangerous heat continues from the desert Southwest to the Southeast, with more heat building north this weekend

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 and Southern California valleys, inland coast, mountains, and Highway 14 corridor: Heat Advisories through Monday, then Extreme Heat Watch for next week. Temperatures may reach 105 degrees. I-5, I-10, US-101, CA-1, CA-2, CA-14, CA-18, CA-46, CA-58, CA-138 potentially impacted.

— Southern California southwest Santa Barbara County coast and western Santa Ynez Mountains: Wind Advisory early this morning, with winds 15 to 30 mph, gusts up to 45 mph, and local gusts to 55 mph. US-101 impacted.

— Southeast California and adjacent southwest Arizona desert areas, including the lower Colorado River Valley and Imperial Valley: Extreme Heat Warnings continue through Friday, with temperatures up to 117 degrees. I-8, I-10, US-60, US-95, CA-62, CA-78, CA-86 impacted.

— Central California Coast, including the San Francisco Bay shoreline: Coastal Flood Advisories continue into next week, with tides running 1 to 2 feet above normal.

Weather Impacts Mountain:

— Central and eastern Montana and adjacent north-central Wyoming valleys, foothills, and canyon areas: Extreme Heat Watches Saturday through Monday. High temperatures in the low- to mid-100’s degrees F. Isolated high temperatures near 110 degrees possible in the Yellowstone River Valley on Sunday. I-90, I-94, US-2, US-12, US-14, US-16, US-87, US-89, US-191, US-212 potentially impacted.

— Southern Idaho, much of Utah, and western Colorado valleys, foothills, basins, and mountain-adjacent areas: Extreme Heat Watches Saturday and Sunday, with temperatures ranging between 100 and 108 degrees. I-15, I-70, I-80, I-84, I-86, US-6, US-20, US-24, US-26, US-40, US-50, US-84, US-89, US-93, US-160, US-163, US-191, US-491, US-550 potentially impacted.

— Eastern Wyoming and eastern Colorado: Scattered severe thunderstorms are possible this afternoon and evening, with damaging wind and hail the primary hazards. The greatest risk of severe weather will be across eastern Colorado. I-25, I-70, I-76, I-80, I-90, US-6, US-14, US-16, US-18, US-20, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-56, US-85, US-160, US-212, US-285, US-287, US-385, US-400 potentially impacted.

— Southwest and south-central Utah: Red Flag Warning through late this evening, with wind gusts up to 35 mph and fast fire spread possible. I-15, US-89 impacted.

— South-central Colorado Pueblo County below 6300 feet: Flash Flood Watch begins around midday and continues through late this evening, with flash flooding possible over lower-elevation areas around Pueblo. I-25, US-50, US-85 potentially impacted.

— Eastern Colorado: Flash flooding is possible today and tonight, with a favorable setup for heavy rainfall where thunderstorms develop or repeat. I-70, I-76, I-80, US-6, US-24, US-30, US-34, US-36, US-40, US-50, US-287, US-385, US-400 potentially impacted.

— Much of eastern Colorado and northeastern New Mexico: Isolated severe storms are possible Friday afternoon and evening, with damaging wind gusts and some hail possible. I-25, I-40, I-70, US-24, US-34, US-36, US-40, US-50, US-54, US-56, US-64, US-85, US-87, US-160, US-287, US-385, US-400, US-412 potentially impacted.

— North-central Arizona below 4000 feet Grand Canyon Country, Marble Canyon, and Glen Canyon: Extreme Heat Warning continues through Sunday. Temperatures as high as 112 to 116 degrees at Phantom Ranch. Lower elevations of US-89A, US-180 impacted.

— Northwest New Mexico Plateau: Heat Advisory today. High temperatures 100 to 103 degrees.

— Much of southern Arizona, including the Phoenix and Tucson metro areas: Extreme Heat Warnings continue through Friday. High temperatures 108 to 114 degrees. I-8, I-10, I-17, I-19, US-60, US-70, US-191 impacted.

— Southeastern Arizona: Isolated severe storms are possible this afternoon and evening, with severe wind gusts possible. I-10, I-19, US-70, US-89, US-191 potentially impacted.

Weather Impacts Central

— Much of North Dakota, western South Dakota, western Nebraska, most of Kansas, most of Missouri, much of Illinois, western Kentucky, northwestern Tennessee, and Oklahoma and the Texas Panhandle north of I-40: Scattered severe thunderstorms are possible this afternoon and evening. Wind gusts and hail are the primary hazards, but a tornado or two cannot be ruled out across Missouri and Illinois. I-24, I-29, I-35, I-39, I-40, 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-90, I-94 potentially impacted.

— Much of North Dakota: Extreme Heat Watch begins Saturday and continues through Tuesday. Heat index values of 95 to 105 degrees expected. I-94, US-2, US-12, US-52, US-83, US-85, US-281 potentially impacted.

— Southwestern Nebraska and western Kansas: Flash flooding is possible today into Friday morning, with thunderstorms capable of heavy rainfall rates. I-70, I-76, I-80, US-6, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-54, US-56, US-83, US-283, US-385, US-400 potentially impacted.

— Portions of east-central Kansas and adjacent west-central Missouri, centered on the Kansas City Metro Area: Flood Advisory continues this morning, with 1 to 2 inches of rain already fallen and up to an additional inch expected. I-29, I-35, I-49, I-70 and surrounding highways potentially impacted.

— Much of Kansas, northern Oklahoma and the Texas Panhandle, much of Missouri, northern Arkansas, southern Illinois, and western Kentucky and Tennessee: Clusters of storms capable of damaging wind gusts and some hail, may develop Friday afternoon and evening. I-22, I-24, I-27, 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-75 potentially impacted.

— South-central and southeast Kansas, northeastern Oklahoma, southern Missouri, northern and central Arkansas, western Kentucky, western and central Tennessee, northern Mississippi, and northern Alabama: Isolated strong to severe storms are possible Saturday afternoon and evening, with a few damaging wind gusts possible. I-20, I-22, I-24, I-30, I-35, I-40, I-44, I-49, I-55, I-57, I-59, I-65, I-69, I-75 potentially impacted.

— Central and eastern Oklahoma, adjacent western Arkansas and adjacent northeast Texas: Heat Advisories today, with heat index values 105 to 110 degrees.

— Southeast Missouri and adjacent northeast Arkansas, southern Illinois, southwest Indiana, most of Kentucky and Tennessee: Flood Watches begin midday today and continue through Sunday, with flooding from excessive rainfall possible; 1 to 2 inches of additional rainfall with be common, with some locations seeing 3-6 inches. I-24, I-40, I-55, I-57, I-64, I-65, I-69, US-31E, US-45E, US-49, US-51, US-60, US-62, US-64, US-67, US-68, US-70, US-79, US-127, US-412 potentially impacted.

Weather Impacts Eastern:

— Southeast Michigan, Indiana, western and central Kentucky and adjacent Tennessee, western and northern Ohio, western and northern New York, and northern Vermont: Scattered severe thunderstorms are possible this afternoon and evening. Severe wind gusts are the primary hazard, but some hail and even a tornado are possible across Indiana. I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-77, I-80, I-81, I-86, I-87, I-89, I-90, I-91, I-94, I-96 potentially impacted.

— Much of Indiana and western and central Kentucky: Flash flooding is possible today into Friday morning, with thunderstorms capable of heavy rainfall rates. I-57, I-64, I-65, I-69, I-70, I-71, I-74, I-75, I-80, I-90, I-94 potentially impacted.

— Southern Indiana, western and central Kentucky, and most of Tennessee: Isolated severe storms are possible Friday afternoon and evening, with damaging wind gusts possible. I-40, I-64, I-65, I-69, I-71, I-75 potentially impacted.

— Southern Indiana, southern Ohio, southwestern Pennsylvania, most of West Virginia, Kentucky and much of Tennessee, and southwestern Virginia: Flash flooding is possible Friday into Saturday as repeated thunderstorms develop in a favorable heavy-rain pattern. I-26, I-40, I-64, I-65, I-68, I-69, I-70, I-71, I-74, I-75, I-76, I-77, I-79, I-80, I-81 potentially impacted.

— Southern Indiana and Kentucky: Flood Watches begin this afternoon and continue through Sunday morning, with localized significant flooding possible where several inches of rainfall occur. I-64, I-65, I-71, I-75, US-23, US-25E, US-27, US-31, US-31E, US-60, US-68, US-421 potentially impacted.

— Kentucky, Tennessee, West Virginia, and far-southwest Virginia: Flash flooding is possible Saturday into Sunday. I-26, I-40, I-64, I-65, I-68, I-69, I-70, I-71, I-75, I-77, I-79, I-81 potentially impacted.

— Central and easternTennessee and northwestern Georgia: Isolated strong to severe storms are possible Saturday afternoon and evening, with a few damaging wind gusts possible. I-20, I-24, I-40, I-59, I-75, I-85 potentially impacted.

— North-central Pennsylvania: Dense Fog Advisory continues through late this morning, with visibility one quarter mile or less in dense fog and reduced visibility. I-80, US-6, US-219, US-322 impacted.

— Southern Pennsylvania, much of New Jersey, Delaware, Maryland, District of Columbia, northern and central West Virginia, and northern, central and southeastern Virginia: Scattered severe thunderstorms are possible this afternoon and evening, with damaging wind gusts the primary hazard. I-64, I-66, I-68, I-70, I-76, I-78, I-79, I-81, I-83, I-85, I-95, I-97, I-99 potentially impacted.

— Southeast Pennsylvania, northern Delaware, southern New Jersey, Maryland, Washington DC, and northern Virginia: Flood Watches today through Friday morning, with strong thunderstorms in a tropical air mass capable of torrential downpours and flash flooding; rainfall rates of 1 to 2 inches per hour are likely in southeast Pennsylvania, northern Delaware, and southern New Jersey, while central Pennsylvania could see multiple rounds of slow-moving storms with rain rates potentially exceeding 2 inches per hour. I-66, I-70, I-76, I-78, I-81, I-83, I-95, I-97, US-11, US-13, US-15, US-22, US-29, US-30, US-40, US-50, US-301, US-322, US-422 potentially impacted.

— Southeast New Hampshire: Heat Advisory today, with heat index values in the mid to upper 90s expected.

— Eastern North Carolina through South Carolina, Georgia, and Florida: A combination of Extreme Heat Warnings and Advisories today. Heat index values generally 105 to 110 degrees, except 113 to 116 degrees across coastal South Carolina and Georgia. I-16, I-26, I-40, I-95, US-17, US-52, US-74, US-78, US-421 impacted.

Outlook Saturday July 11th through Wednesday July 15th:

— Saturday, July 11 through Monday, July 13: southern Idaho, northeastern Nevada, and much of Utah: Heat concerns may create challenging conditions. Major highways potentially affected include I-15, I-70, I-80, I-84.

— Saturday, July 11 through Tuesday, July 14: much of Utah, northeastern Arizona, and western Colorado: Heat concerns may create challenging conditions. Major highways potentially affected include I-70.

— Saturday, July 11 through Monday, July 13: Central and eastern Montana, parts of Wyoming, North Dakota, South Dakota, , and Minnesota: Heat concerns may create challenging conditions. Major highways potentially affected include I-25, I-90, I-94.

— Saturday, July 11: portions of the lower Missouri Valley, mid-Mississippi Valley, Ohio Valley, Tennessee Valley, and central Appalachians: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-40, I-55, I-64, I-65, I-75, I-79, I-81.

— Saturday, July 11: portions of the Lower Mississippi Valley and Southeast from eastern Louisiana into the Carolinas: Heat concerns may create challenging conditions. Major highways potentially affected include I-10, I-20, I-40, I-55, I-65, I-74, I-75, I-85, I-95.

— Monday, July 13 through Wednesday, July 15: portions of the northern Plains, Upper Midwest, and Great Lakes from the Dakotas into Michigan: Heat concerns may create challenging conditions. Major highways potentially affected include I-29, I-35, I-75, I-90, I-94.

— Monday, July 13 through Tuesday, July 14: portions of the Lower Mississippi Valley and Southeast from eastern Texas and Louisiana to South Carolina: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-4, I-10, I-20, I-55, I-65, I-75, I-95.

Extended Outlook July 16th through July 22nd:

— Thursday, July 16: southern North Dakota, South Dakota, northeastern Nebraska, southwestern Minnesota, and northwestern Iowa: Extreme heat is expected, which may create challenging conditions. Major highways potentially affected include I-29, I-90.

— Thursday, July 16 through Saturday, July 18: southeastern Oregon, California, Idaho, Nevada, Utah, and western Colorado: Extreme heat is likely. Major highways potentially affected include I-5, I-15, I-40, I-70, I-80, I-84.

— Thursday, July 16 through Saturday, July 18: portions of the eastern Rockies, Plains, Mississippi Valley, and Southeast: Extreme heat is likely. Major highways potentially affected include I-4, I-10, I-20, I-25, I-29, I-30, I-35, I-40, I-55, I-64, I-65, I-70, I-74, I-75, I-76, I-80, I-85, I-87, I-90, I-94, I-95.

— Thursday, July 16 through Monday, July 20: broad areas from the West and Rockies through the Plains, Mississippi Valley, Great Lakes, Ohio and Tennessee Valleys, Southeast, and central Appalachians: Extreme heat may develop, which could create challenging conditions for long drives and exposed stops. Major highways potentially affected include I-5, I-8, I-10, I-15, I-20, I-25, I-29, 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-85, I-90, I-94, I-95.

— Thursday, July 16 through Monday, July 20: Utah, Arizona, western Colorado, and New Mexico: Heavy precipitation may develop, which could create localized flooding and difficult travel conditions. Major highways potentially affected include I-8, I-10, I-15, I-25, I-40, I-70.

Forecast Confidence for the Extended Outlook:

Confidence is reasonably good for the earlier part of the outlook, with generally good large-scale agreement on a summer pattern across the lower 48. Confidence is somewhat lower later in the outlook because the main guidance sources agree on parts of the pattern but differ on how the pattern may weaken or shift late in the period.

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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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