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

65°F

18°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 19 Mar 12:55 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 45. Breezy, with a west wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 45 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 37. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 32 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 49. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 33 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 33 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Windy, with a southwest wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Windy.

    Low: 23 °F

    Partly Cloudy
    and Windy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 45. Breezy, with a west wind 20 to 23 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 37. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 49. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 36. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 33 mph.
Saturday
Mostly sunny, with a high near 45. Windy, with a southwest wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 50 mph.
Saturday Night
Partly cloudy, with a low around 23. Windy.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34. Breezy. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of snow. Mostly sunny, with a high near 40. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
12:31 pm MDT Mar 19, 2026
1pm MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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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