Travel & RV Weather Forecast Wednesday 21 September

  • Heavy rains and some flash flooding likely through Thursday across the Four Corners Region. Heaviest rains over western Colorado.
  • Severe storms this afternoon across the Upper Ohio Valley and Lower Great Lakes. Also over western Utah and southern Idaho.
  • Increasing potential for a tropical system to form over the Caribbean that could impact the northern Gulf Coast, Florida and/or the Southeast next week. No need to alter any plans at this time, but stay aware for updates.

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— Eastern NV: Strong winds this afternoon. Gusts 35-45 mph. I-15, I-80, US-50 impacted.


Central and southern UT; west-central, central and southwest CO; northwest NM; most of AZ: Flood Watches through Thursday evening. 1-3 inches of rain likely with significant potential for flash flooding in some locations. I-15, I-17, I-19, I-40, I-70 potentially impacted.

Northwest UT and south-central ID: Isolated severe storms with damaging wind gusts possible this afternoon. I-15, I-80, I-84 potentially impacted.

Southeast WY: High Wind Watch along I-80 between Laramie and Rawlins Thursday night through Friday afternoon. Gusts to 60 mph. I-80 impacted.


No significant weather impacts to RV travel today or Thursday.


Northern OH and adjacent IN; western and north-central PA; western NY: Severe thunderstorms with damaging winds, large hail and a tornado or two are possible this afternoon. I-70, I-71, I-75, I-76, I-77, I-79, I-80, I-81, I-88, I-90, I-99, OH and PA Turnpikes potentially impacted.

Severe Weather and Tropical Watches and Warnings

— See for the latest WARNINGS and information on Tropical Storm FIONA.

— See for the latest Tornado and Severe Thunderstorm WATCHES

— See for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

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