RV Weather Road Trip Forecast for Sunday July 5, 2026

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

Flash flooding could disrupt travel today through Tuesday across the Mid-Atlantic and southern New England, including the busy Pennsylvania–New Jersey–New York corridor.
Scattered severe storms today may bring damaging winds across a broad, high-travel area from the Mid-Atlantic through the Tennessee Valley and Southeast.
Extreme heat dissipates in the East, but expands Tuesday through Thursday across the Southwest deserts and Arizona metro areas, with afternoon temperatures reaching 107–117° F.

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

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Significant travel weather for the next 2-3 days.

Weather Impacts Pacific

— South-central Oregon: Red Flag Warning beginning this afternoon through late evening for numerous thunderstorms, with outflow wind gusts up to 45 mph, and abundant lightning on dry fuels, creating the potential for rapid fire spread. US-97, US-395 impacted.

— Southeast California and southwest Arizona deserts: Extreme Heat Watch Tuesday through Thursday, including the Imperial Valley and Yuma area, with afternoon temperatures of 109 to 117 degrees. I-8, I-10, US-60, US-95, CA-62, CA-78, CA-86 potentially impacted.

Weather Impacts Mountain:

— Southeast, central and eastern Montana: A few severe thunderstorms are possible today, with isolated damaging wind gusts the primary hazard. I-15, I-90, I-94, US-2, US-12, US-87, US-89, US-93, US-191, US-212 potentially impacted.

— Lower elevations of the Grand Canyon: Extreme Heat Watch beginning Tuesday through Saturday below 4000 feet, with daytime temperatures ranging from 100 degrees at Havasupai Gardens to 113 degrees at Phantom Ranch.

— Much of southern Arizona, including the Phoenix and Tucson metro areas: Extreme Heat Watches Tuesday through Thursday, with afternoon temperatures of 107 to 116 degrees. I-8, I-10, I-17, I-19, US-60, US-70, US-191 potentially impacted.

— Eastern New Mexico: A few severe thunderstorms are possible today, with isolated hail and damaging wind gusts the primary hazards. I-25, I-40, US-54, US-56, US-60, US-62, US-64, US-70, US-82, US-84, US-85, US-87, US-285, US-380, US-412 potentially impacted.

Weather Impacts Central

— Western and north-central North Dakota: Scattered severe thunderstorms are possible today across parts of North Dakota, with large hail the primary hazard. I-94, US-2, US-12, US-52, US-83, US-85, US-281 potentially impacted.

— South-central and eastern North Dakota, north-central and northeast South Dakota, and much of northern Minnesota: A few severe storms are possible Monday afternoon into evening, with isolated hail or damaging wind gusts possible. I-29, I-94, US-2, US-10, US-12, US-14, US-52, US-53, US-59, US-71, US-81, US-83, US-169, US-212, US-281 potentially impacted.

— Southeast North Dakota, most of South Dakota, northern, central and western Nebraska, central and southern Minnesota, northwestern Wisconsin, and northwestern Iowa: Scattered severe storms are possible late Tuesday evening into Tuesday night. I-29, I-35, I-35E, I-35W, I-76, I-80, I-90, I-94 potentially impacted.

— South-central and southeast North Dakota and adjacent north-central and northeast South Dakota, and west-central Minnesota: Flash flooding is possible Tuesday into early Wednesday as scattered to widespread thunderstorms may organize along a frontal boundary, with rainfall totals generally 1 to 2 inches and locally higher amounts of 3 to 4 inches. I-29, I-94, US-10, US-12, US-14, US-52, US-59, US-71, US-81, US-83, US-169, US-212, US-281, MN-61 potentially impacted.

— Northeast Kansas and adjacent Missouri, including the Kansas City metro area: Dense Fog Advisories continue through late this morning, with visibility one-quarter to one-half mile and hazardous low-visibility driving. I-29, I-35, I-49, I-70, US-36, US-50, US-56, US-59 impacted.

— Northern Texas and adjacent Oklahoma, much of Louisiana and adjacent southern Arkansas, most of Mississippi, western, central and northern Alabama, and much of Tennessee: A few severe storms are possible today. The primary hazard is damaging wind gusts, with hail also possible across Texas. I-10, I-12, I-20, I-22, I-24, I-27, I-30, I-35, I-40, I-44, I-45, I-49, I-55, I-59, I-65, I-75 potentially impacted.

— Southwest and south-central Wisconsin: Morning fog, with visibility generally 1 to 3 miles and isolated pockets below 1 mile. I-39, I-43, I-90, I-94, US-18, US-51 impacted.

— Southwest Iowa: Dense Fog Advisory this morning, with visibility slipping below one-quarter mile at times and low visibility creating hazardous driving. I-29, US-34, US-71 impacted.

— Northern Illinois and adjacent northwest Indiana: Flood Warnings continue today, where up to 6 inches of rain have previously fallen. Flooding of roads and streets reported by law enforcement and highway department; local creeks and streams are rising. Highways and secondary roads near I-55, I-57, I-65, I-80, I-88, I-90, I-94 may be impacted.

— Central, east-central and northeast, Arkansas, western Tennessee and northwest Mississippi: Heat Advisories today, with heat index values up to 105 degrees.

Weather Impacts Eastern:

— South-central Michigan and adjacent northeast Indiana: Flood Advisory continues through late this morning after 1 to 3 inches of rain have fallen, with another 0.5 to 1.5 inches expected. Minor flooding in low-lying and poor-drainage areas. I-69, I-80, I-90, US-27 impacted.

— Eastern Ohio and western and central Pennsylvania: Areas of fog through late morning, with visibility ranging from one-quarter to one mile. I-70, I-76, I-79, I-80, I-99, US-6, US-22 impacted.

— Southern New England into the Mid-Atlantic Region: Flood Watches this afternoon into Tuesday, with the Pennsylvania/New Jersey/Delaware/Maryland/DC/Virginia region seeing the risk today into Monday evening and the New York/Connecticut/Rhode Island/Massachusetts region continuing Monday into Tuesday. Slow-moving thunderstorms and multiple rounds of heavy rain may produce 2 to 4 inches of rain with some storms producing 4 to 6 inches of rain in under 6 hours. Greatest risk of flash flooding today is along the I-78 corridor from Harrisburg PA to New Brunswick NJ. I-64, I-66, I-70, I-76, I-78, I-80, I-81, I-83, I-84, I-85, I-86, I-87, I-90, I-91, I-93, I-95, I-97, I-99, US-6, US-7, US-44, US-202, CT-2 potentially impacted.

— Downstate New York, most of Pennsylvania, New Jersey, central and eastern Ohio, Delaware, Maryland, District of Columbia, West Virginia, Virginia, eastern Kentucky, most of Tennessee, western and central North Carolina, Upstate South Carolina, and northern Georgia: Scattered severe thunderstorms are possible today, with damaging wind the main concern across the Mid-Atlantic. I-20, I-24, I-26, I-40, I-59, I-64, I-66, I-68, 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-90, I-91, I-95, I-97, I-99 potentially impacted.

— Much of central and eastern Virginia North Carolina along the I-85 and I-95 corridors: A few severe storms are possible Monday afternoon into evening, with isolated damaging wind gusts. I-40, I-64, I-74, I-81, I-85, I-87, I-95 potentially impacted.

— Eastern Pennsylvania, New Jersey, Delaware, eastern Maryland, Washington DC, northern and eastern Virginia, central and eastern North Carolina, coastal South Carolina and Georgia, central Georgia, and northeast Florida: Heat Advisories today . Heat index values range from 95 to 110 degrees, with the highest values across coastal South Carolina and Georgia, and northeast Florida.

Outlook Tuesday July 7th through Saturday July 11th:

— Tuesday, July 7 through Thursday, July 9: portions of southeastern California, southern Nevada, and parts of Arizona: Heat concerns may create challenging conditions. Major highways potentially affected include I-8, I-10, I-15, I-40.

— Tuesday, July 7: central and southern North Dakota, northern South Dakota, and central Minnesota: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-94.

— Tuesday, July 7 through Saturday, July 11: portions of the Southeast from southeastern Alabama through Florida, Georgia, South Carolina, and North Carolina: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-20, I-40, I-74, I-75, I-85, I-87, I-95.

— Wednesday, July 8 through Saturday, July 11: most of Texas and Oklahoma into the Lower Mississippi Valley and central Gulf Coast: Heat concerns may create challenging conditions. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-65.

— Wednesday, July 8: eastern Minnesota, most of Wisconsin, and northern Michigan: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-35, I-75, I-90, I-94, US-2.

— Wednesday, July 8 through Saturday, July 11: most of southern Florida: Heat concerns may create challenging conditions. Major highways potentially affected include I-75, I-95.

— Thursday, July 9 through Saturday, July 11: from the southern Plains into the Lower Mississippi Valley: Heat concerns may create challenging conditions. Major highways potentially affected include I-20, I-30, I-35, I-40, I-55.

— Thursday, July 9 through Saturday, July 11: northeastern North Carolina, eastern Virginia, and and southern DELMARVA Peninsula: Heat concerns may create challenging conditions. Major highways potentially affected include I-40, I-64, I-85, I-95.

— Friday, July 10 through Saturday, July 11: most of Utah and western Colorado: Heat concerns may create challenging conditions. Major highways potentially affected include I-15, I-70, I-80.

— Saturday, July 11: much of eastern Colorado: Heat concerns may create challenging conditions. Major highways potentially affected include I-25, I-70, I-76.

Extended Outlook July 12th through July 18th:

— Sunday, July 12 through Wednesday, July 15: from California and the interior West into the southern Plains and Lower Mississippi Valley: Extreme heat is likely, which may create challenging conditions. Major highways potentially affected include I-5, I-8, I-10, I-15, I-20, I-25, I-30, I-35, I-40, I-70, I-76, I-80, I-84.

— Sunday, July 12 through Saturday, July 18: from the Pacific Northwest and interior West across the Plains into the Southeast: Extreme heat may develop, which could create challenging conditions. 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-74, I-75, I-76, I-80, I-84, I-87, I-90, I-94, I-95.

Forecast Confidence for the Extended Outlook:

Confidence is generally good for the earlier part of the outlook, with the large-scale pattern reasonably well agreed upon. Confidence decreases to average later in the outlook as uncertainty increases in the temperature and precipitation details, though the broader pattern still supports continued heat concerns across large parts of the country.

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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