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

Challis - Challis Airport (KLLJ)

Lat: 44.523° N Lon: 114.21611° W Elev: 5026.0 ft.

Clear

39°F

4°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Mar 04:35 AM MDT
Detailed forecast for

Lost River Range

Today
Mostly sunny. Very windy. Highs 59 to 69. West winds 30 to 35 mph with gusts to around 45 mph in the afternoon.
Tonight
Mostly clear. Windy, colder. Lows 29 to 36. West winds around 30 mph in the evening.
Sunday
Sunny. Highs 50 to 60.
Sunday Night
Mostly cloudy. Lows 32 to 39.
Monday
Mostly sunny. Highs 53 to 63.
Monday Night
Mostly cloudy. Lows 37 to 44.
Tuesday And Tuesday Night
Mostly cloudy. A slight chance of rain and snow. Highs 55 to 65. Lows 38 to 45.
Wednesday
Mostly sunny with a slight chance of rain and snow. Breezy. Highs 54 to 64.
Wednesday Night Through Friday
Partly cloudy. Breezy. Lows 28 to 38. Highs 48 to 58.



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306 AM MDT Sat Mar 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database