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

52°F

11°C

Humidity 29%
Wind Speed NNW 6 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Mar 10:55 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Today

    Today: Sunny, with a high near 59. West wind 3 to 8 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 5 to 8 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. Southwest wind 5 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 59. West wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 39. West wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 61. Southwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 40. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 56. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 39.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.1°N 113.99°W (Elev. 6660 ft)
Last Update:
5:31 am MDT Mar 19, 2026
Forecast Valid:
11am 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