RV Weather Road Trip Forecast for Thursday June 18, 2026


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

  • Central Gulf Coast: Dangerous flooding and a tornado risk threaten I-10 corridor today
  • Eastern U.S.: Widespread potential for severe storms and flash flooding impact travel from the Appalachians to the Southeast today
  • Dangerous heat today across southern Texas with heat index values as high as 124 degrees

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.

NEW: Extended forecast for the next 2 weeks now included!

Weather Impacts Pacific

.— West-central Nevada, including Pyramid Lake: Heat Advisory today and tonight for valley heat in the Basin and Range. High temperatures up to 102 deg F.

— Northern and southern Sierra Front: Red Flag Warning beginning midday through late this evening for thunderstorms, dry fuels, and strong outflow winds up to 50 mph that may create rapid fire spread and difficult travel near active fire starts. I-80, US-50, US-95, US-395, CA-4, CA-89 impacted.

— San Francisco Bay shoreline and North Bay interior valleys: Coastal Flood Advisory this morning for minor tidal flooding in low-lying shoreline areas.

Weather Impacts Mountain:

— Central Colorado Upper Arkansas River Valley: Red Flag Warnings today and again on Saturday. Wind gusts today will reach 35 mph, while wind gusts on Saturday could reach 50 mph. US-24, US-50, US-285 impacted.

— Grand Canyon National Park below 4000 feet: Extreme Heat Warning today, including canyon areas and Havasupai Gardens or Bright Angel campgrounds, where physical activity is discouraged. Daytime temperatures will range from 103 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch.

— South-central New Mexico Lower Rio Grande Valley: Wind Advisory early this morning, with winds 30 to 35 mph and gusts up to 50 mph. I-25, US-60, US-380 impacted.

— East-central New Mexico: Wind Advisory through midday today, with winds 25 to 35 mph and gusts up to 50 mph. US-60, US-70, US-84 impacted.

— Eastern Wyoming and eastern Colorado: Severe thunderstorms are possible Saturday afternoon into Saturday evening. The greatest risk of severe weather will be across eastern Colorado. I-25, I-70, I-76, I-80, US-6, 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-287, US-385, US-400 potentially impacted.

Weather Impacts Central:

Southeast Louisiana: TORNADO and SEVERE THUNDERSTORM WARNING early this morning around St. Charles Parish and nearby Jefferson, Lafourche, Orleans, and Terrebonne Parishes. I-10, US-61, US-90 impacted.

Southeast Louisiana: FLASH FLOOD WARNINGS continue early this morning, with up to 7 inches of rain reported and additional rainfall possible, creating high water in low spots and dangerous travel near flooded roads. I-10, US-61, US-90 impacted.

Central Gulf Coast from southeast Louisiana through southern Mississippi, southern Alabama, and the western Florida Panhandle: Tornado Watches may be issued later today as tropical rain bands and embedded thunderstorms continue, with brief tornadoes, damaging wind gusts, and rapidly changing driving conditions possible. I-10, I-12, I-55, I-59, I-65 potentially impacted.

Northern and central Mississippi and central and southern Alabama: Flash flooding is possible Saturday into Sunday morning as heavy-rain potential lingers along the central Gulf Coast. I-10, I-20, I-22, I-55, I-59, I-65, I-69, I-85 potentially impacted.

Southeast Texas and southwest Louisiana: Flood Warnings and Watches, Coastal Flood Advisories, and Wind Advisories continue today, with 2 to 6 inches of additional rain possible in southwest Louisiana and gusts to 30 mph along parts of the coast and adjacent inland areas. I-10, I-49, US-71, US-90, US-165 impacted.

Southwestern South Dakota, Nebraska, most of Kansas, and the Oklahoma Panhandle: Severe thunderstorms are possible Saturday afternoon into Saturday evening as storms develop off the central Rockies and High Plains. The greatest risk of severe weather will be across southern Nebraska and central and western Kansas. I-29, I-35, I-70, I-76, I-80, US-6, US-16, US-18, US-20, US-24, US-26, US-30, US-34, US-36, US-40, US-50, US-54, US-56, US-59, US-64, US-77, US-83, US-85, US-87, US-136, US-160, US-183, US-281, US-283, US-287, US-385, US-400, US-412 potentially impacted.

Central and southeast Minnesota into western Wisconsin: Isolated strong to severe storms are possible Friday, with gusty winds and hail. I-35, I-35E, I-35W, I-39, I-90, I-94 potentially impacted.

Southern and eastern Nebraska, southwestern Iowa, much of Kansas, and western Missouri: Flash flooding is possible Saturday into Sunday morning from repeated heavy rainfall over the central Plains. I-29, I-35, I-44, I-49, I-70, I-80 potentially impacted.

— Southern Oklahoma, north and east Texas, and western Louisiana: Heat Advisories today, with heat index values generally up to 105 to 110 degrees.

Most of Oklahoma, north-central and central Texas, southeast Kansas, southern Missouri and northern Arkansas, Kentucky and Tennessee, southeast Louisiana, Mississippi, Alabama, and the Florida Panhandle: Isolated to scattered severe thunderstorms are possible today, with damaging wind, marginal hail, and some potential for tornadoes. The greatest risk of severe weather will be across southeast Louisiana, coastal Mississippi, and southern Alabama. I-10, I-12, I-20, I-22, I-24, I-30, I-35, I-40, I-44, I-49, I-55, I-57, I-59, I-64, I-65, I-69, I-75, I-85 potentially impacted.

South-central Oklahoma and adjacent north-central Texas: Flash flooding is possible today into Friday morning where heavy rainfall overlaps already wet ground. I-20, I-35, I-40, I-44, US-62, US-67, US-70, US-77, US-82, US-83, US-180, US-183, US-277, US-281, US-287, US-380 potentially impacted.

Southeastern Oklahoma and northeast Texas, southern Arkansas, much of Louisiana, Mississippi and Alabama, and the Florida Panhandle: Isolated severe storms are possible Friday, mainly with gusty winds and hail. I-10, I-12, I-20, I-22, I-30, I-35, I-45, I-49, I-55, I-59, I-65, I-85 potentially impacted.

Southeastern Oklahoma, much of central and eastern Texas, southern Arkansas, much of Louisiana, Mississippi, Alabama, and the Florida Panhandle: Flash flooding is possible Friday into Saturday morning, with a more focused risk across the central Gulf Coast. The greatest flash-flood risk will be across southeastern Mississippi, southern Alabama, and the Florida Panhandle. I-10, I-12, I-14, I-20, I-30, I-35, I-37, I-44, I-45, I-49, I-55, I-59, I-65, I-69, I-85 potentially impacted.

Northern Kentucky: FLASH FLOOD WARNINGS continue early this morning, with 1.5 to 2.5 inches of rain reported in warned areas and another 0.5 to 1 inch possible, creating high water in low spots and dangerous travel near flooded roads. I-65, I-71, I-75 impacted.

Weather Impacts Eastern:

Southern Indiana: FLASH FLOOD WARNINGS continue early this morning, with 1.5 to 3.5 inches of rain, creating high water in low spots and dangerous travel near flooded roads. I-64, I-65, US-31 impacted.

Parts of Indiana, Kentucky, Ohio, and West Virginia: Flood Warnings, Advisories and Watches, Flood Advisory, Flood Watch, and a Tornado Watch this morning, with 1 to 4 inches of rain already reported and additional rainfall up to 3 inches possible in spots. I-64, I-65, I-71, I-74, I-75, I-77 impacted.

Parts of Ohio, Pennsylvania, West Virginia, western Maryland, and western Virginia ridges: Wind Advisories continue through early evening, with gusts up to 50 mph over higher terrain and exposed routes. I-68, I-70, I-76, I-77, I-79 impacted.

Northeast Kentucky, southern Ohio, and western West Virginia: SEVERE THUNDERSTORM WARNINGS continue early this morning, with severe storms capable of damaging wind; one Ohio warning included a 70 mph wind gust. I-64, US-23, US-60 impacted.

Western and north-central New York into the eastern Great Lakes: High Wind Warnings and Advisories continue through this evening, with winds 15 to 30 mph and gusts up to 55 mph. I-81, I-86, I-90, US-11, US-20, US-219 impacted.

Upstate New York, Vermont, and the Adirondack / Mohawk Valley region: Wind Advisories continue through late evening, with gusts 40 to 55 mph. I-87, I-88, I-89, I-90, I-91, I-93 impacted.

Western Maine, Vermont, New Hampshire, New York, Massachusetts, Rhode Island, Connecticut, most of Pennsylvania, New Jersey, Delaware, Maryland, District of Columbia, southern Ohio, West Virginia, Virginia, Kentucky, North Carolina, Tennessee, South Carolina, Georgia, and northern Florida Peninsula: Isolated to scattered severe thunderstorms are possible today, with damaging wind gusts, marginal hail, and some tornado potential. I-10, I-16, I-20, I-24, I-26, I-40, I-59, I-64, I-65, 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-88, I-89, I-90, I-91, I-93, I-95, I-97, I-99 potentially impacted.

Southern West Virginia, Kentucky and Tennessee, southwestern Virginia, western North Carolina, central and western South Carolina, most of Georgia, and the Florida Panhandle: Flash flooding is possible today into Friday morning, with heavy rainfall and runoff concerns where storms repeat. The greatest flash-flood risk will be across western Georgia. I-10, I-16, I-20, I-24, I-26, I-40, I-59, I-64, I-65, I-75, I-77, I-79, I-81, I-85 potentially impacted.

— North Carolina, South Carolina, southeast Virginia, and the Florida Peninsula: Heat Advisories today, with heat index values generally 105 to 110.

Eastern North Carolina, eastern South Carolina, much of Georgia, and northern and central Florida: Isolated severe storms are possible Friday, mainly with gusty winds and hail. I-4, I-10, I-16, I-26, I-40, I-75, I-85, I-95 potentially impacted.

Georgia into the Florida Panhandle and nearby Alabama counties: Flood Watches continue through Saturday morning. Some areas may see 3 to 7 inches and isolated 8 to 12 inch totals. I-10, I-16, I-20, I-75, I-85 impacted.

Central and north Georgia: Wind Advisory beginning this evening through Friday morning, with southwest winds 15 to 20 mph and gusts up to 35 mph. I-16, I-20, I-75, I-85 impacted.

Southern Georgia and northern Florida: Flash flooding is possible Friday into Saturday morning, especially where heavy rain repeats over wet ground. The greatest flash-flood risk will be across southwestern Georgia. I-10, I-75, I-85, I-95, US-1, US-17, US-19, US-23, US-27, US-29, US-41, US-80, US-82, US-84, US-98, US-280, US-301, US-431 potentially impacted.

Outlook Saturday June 20th through Wednesday June 24th:

— Saturday, June 20 through Wednesday, June 24: most of the Florida Peninsula: Heat concerns may create challenging conditions. Major highways potentially affected include I-4, I-10, I-75, I-95.

Sunday, June 21: from southeastern Kansas and northeastern Oklahoma through the mid-Mississippi and Ohio Valleys: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-29, I-35, I-55, I-64, I-65, I-70, I-71, I-74, I-75, I-80, I-90.

— Sunday, June 21: Much of Oklahoma, and northern and central Texas: Heat concerns may create challenging conditions. Major highways potentially affected include I-20, I-30, I-35, I-40.

Monday, June 22: from eastern Oklahoma and Arkansas through the Mid-South, lower Ohio Valley, and central Appalachians: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-30, I-40, I-55, I-64, I-65, I-75, I-79, I-81.

— Monday, June 22 through Wednesday, June 24: from southeastern Oklahoma and Texas across the Lower Mississippi Valley and Southeast into southeastern Virginia: Heat concerns may create challenging conditions. Major highways potentially affected include I-10, I-20, I-30, I-35, I-40, I-55, I-64, I-65, I-74, I-75, I-95.

Tuesday, June 23: from southeastern Oklahoma and northeastern Texas across Arkansas, Louisiana, Mississippi, and west-centralAlabama: Heavy rain may create localized flooding and reduced visibility. Major highways potentially affected include I-20, I-30, I-35, I-55.

Extended Outlook June 25th through July 1st:

— Thursday, June 25 through Sunday, June 28: from much of interior California and western and southern Arizona into southern New Mexico, and far-western Texas: Extreme heat may develop, which could create challenging conditions. Major highways potentially affected include I-5, I-8, I-10, I-15, I-20, I-25, I-40, I-80.

— Thursday, June 25 through Wednesday, July 1: most of the Florida Peninsula: Extreme heat may develop, which could create challenging conditions. Major highways potentially affected include I-4, I-75, I-95.

Forecast Confidence for the Extended Outlook:

Confidence is above average for the earlier period, with guidance supporting the broad pattern of heavy rain and severe weather threats across parts of the Plains, Midwest, and South. Confidence is stronger over the western U.S. heat pattern, while confidence is lower east of the Rockies later in the outlook due to greater uncertainty in how the pattern evolves.

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

48-hour access • No credit card required

Risk free – 30-day money-back guarantee


Selected travel-relevant Weather Graphics

Map displaying current weather hazards across the United States, including excessive heat warnings, flood watches, and severe thunderstorm warnings.
Current travel-relevant National Weather Service Warnings, Watches and Advisories

Graphics for Today

Weather map showing severe thunderstorm and tornado watch areas across the U.S. for August 1-2, 2025, including warnings for heavy rain and flash flooding.
National weather map for today..
Weather outlook map showing severe thunderstorm risk levels across the United States for August 1, 2025.
Severe thunderstorm risk today and tonight.

Current Severe Thunderstorm and Tornado Watches from the National Weather Service Storm Prediction Center

Map of the United States indicating 'No Watches In Effect' for severe weather, issued by the National Weather Service.
Satellite image showing the Atlantic and Eastern Pacific regions with no disturbances and a note stating that tropical cyclone activity is not expected during the next 48 hours.
Map showing the Day 1 Excessive Rainfall Outlook with areas marked for risk levels including MRGL, SLGT, and MDT across the United States.
Excessive and Flash Flood Risk for today and tonight.
Weather map showing projected wind gusts across the United States for the afternoon, with regions highlighted in different colors indicating varying wind speeds.

Hail Size Forecast for today and tomorrow

Map showing forecasted hail size across the United States for August 1.
Hail Size (inches) forecast for the next 2 days.

Wildfire Smoke Forecast for today and tomorrow

Map displaying wildfire smoke distribution across the United States for August 1, highlighting varying concentrations with color gradients.
Wildfire smoke forecast for the next 2 days.

Graphics for Tomorrow

Weather map showing severe thunderstorm threats, heavy rain, and flash flood warnings across the United States for August 2-3, 2025.
National weather map for tomorrow.
Severe weather outlook map for August 2, 2025, showing areas of risk across the United States, with a highlighted region indicating enhanced risk for severe thunderstorms.
Severe thunderstorm risk tomorrow and tomorrow night.
Map showing the Day 2 Excessive Rainfall Outlook for the U.S. Valid from August 2, 2025, with color-coded risk areas indicating the potential for rainfall exceeding flash flood guidance.
Forecast map showing wind gusts across the United States for the afternoon of tomorrow, with color-coded wind speed indicators and major roadways outlined in red.

National Weather Map for the Day after Tomorrow

Weather map showing severe thunderstorm warnings, flash flood risks, and weather fronts across the United States for August 3, 2025.
National weather map for tomorrow.

Three-day Summaries

National precipitation forecast map showing varying rainfall amounts across the United States, with color-coded indications of precipitation levels in inches.
Total rainfall amounts for the next three days
Map showing the National Snowfall Forecast for the United States through August 4, 2025, indicating expected snowfall amounts in inches across various regions.
Total snowfall amounts for the next three days
U.S. map showing the National Ice Accumulation Forecast with various color-coded bands indicating ice accumulation levels through August 3, 2025.
Freezing rain (ice) accumulations for the next three days.

Day 3 – Day 7 U.S. Significant Weather Outlook

U.S. Hazard Outlook map indicating areas affected by hazardous heat and heavy rain, valid from August 3 to August 7, showing regions in red for hazardous heat and green for heavy rain.


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


Some useful links:

High-resolution radar

Your local forecast

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