National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

39°F

4°C

Humidity 38%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 19 Mar 06:05 AM MDT
Extended Forecast for

Challis ID

  • Today

    Today: Sunny, with a high near 73. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 26 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 40. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 67. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 41.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.53°N 114.23°W (Elev. 5184 ft)
Last Update:
5:31 am MDT Mar 19, 2026
Forecast Valid:
6am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation