Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

40°F

4°C

Humidity 76%
Wind Speed ENE 17 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Mar 03:53 AM MDT
Detailed forecast for

Wind River Basin

Rest Of Tonight
Partly cloudy. Lows around 40. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday
Mostly sunny. Highs in the lower 60s. Northeast winds around 10 mph with gusts up to 20 mph, becoming northwest in the afternoon.
Sunday Night
Partly cloudy in the evening, then becoming cloudy. Lows in the lower 40s. North winds around 10 mph, becoming east after midnight.
Monday
Mostly cloudy in the morning, then becoming partly cloudy. Highs around 70. West winds around 10 mph with gusts up to 20 mph in the afternoon.
Monday Night
Partly cloudy. Lows in the lower 40s. West winds around 10 mph.
Tuesday
Partly cloudy and breezy. Highs in the lower 70s.
Tuesday Night
Partly cloudy in the evening, then clearing. Breezy with lows in the upper 40s.
Wednesday
Mostly sunny and windy. Highs in the upper 70s.
Wednesday Night
Mostly clear and breezy. Lows in the upper 30s.
Thursday
Mostly sunny and breezy, cooler with highs around 60.
Thursday Night
Mostly clear and breezy. Lows in the upper 20s.
Friday
Mostly sunny. Highs in the mid 50s.
Friday Night
Partly cloudy. Lows in the lower 30s.
Saturday
Partly cloudy. Highs in the mid 60s.



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132 AM MDT Sun Mar 22 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database