Severe Thunderstorms and Heavy Rainfall in the Northern Plains and Midwest; Fire Weather Threat in the West

Severe thunderstorms will continue to be possible over parts of the northern Plains and upper Midwest through Saturday which could bring large hail, damaging winds, and possible tornadoes. Heavy to excessive rainfall may produce flooding over a part of the Midwest today. Elevated to critical fire weather are expected today into this weekend over parts of the central Rockies and Great Basin. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219° N Lon: 108.44701° W Elev: 5443.0 ft.

Clear

66°F

19°C

Humidity 34%
Wind Speed NW 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 04 Jun 09:20 AM MDT
Detailed forecast for

Wind River Basin

Today
Partly cloudy this morning, then clearing. Breezy with highs in the lower 80s. South winds around 10 mph, becoming west 15 to 20 mph this afternoon.
Tonight
Clear, breezy with lows in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming south around 10 mph after midnight.
Friday
Sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Friday Night
Clear. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph, becoming southwest after midnight.
Saturday
Mostly sunny in the morning, then becoming partly cloudy. Windy with highs in the lower 90s. South winds 15 to 20 mph with gusts up to 30 mph, becoming southwest 20 to 30 mph with gusts up to 45 mph in the afternoon.
Saturday Night
Partly cloudy and breezy. Lows in the mid 50s.
Sunday
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. Chance of rain 30 percent.
Sunday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Breezy with lows in the upper 40s. Chance of rain 30 percent.
Monday
Mostly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy in the evening, then clearing. Lows in the lower 50s.
Tuesday
Partly cloudy in the morning, then clearing. Windy with highs in the mid 80s.
Tuesday Night
Partly cloudy in the evening, then clearing. Breezy with lows in the lower 50s.
Wednesday
Mostly sunny. A slight chance of. Windy with highs in the lower 80s.



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516 AM MDT Thu Jun 4 2026
 
 

Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database