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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

28°F

-2°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 10:00 PM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 8 mph.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22. Wind chill values as low as -1. West wind 8 to 10 mph.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Wind chill values as low as zero. West southwest wind around 11 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25. Wind chill values as low as zero. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 25 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. South wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 25. Breezy.

    High: 25 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Low around 17. Breezy. Chance of precipitation is 80%.

    Low: 17 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 8 mph.
Friday
Mostly sunny, with a high near 22. Wind chill values as low as -1. West wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 14. Wind chill values as low as zero. West southwest wind around 11 mph.
Saturday
Mostly cloudy, with a high near 25. Wind chill values as low as zero. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 18. South wind 16 to 18 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 16.
Washington's Birthday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 25. Breezy.
Monday Night
Snow. The snow could be heavy at times. Low around 17. Breezy. Chance of precipitation is 80%.
Tuesday
Snow. High near 19. Chance of precipitation is 90%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 6. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 13.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5.
Thursday
Snow likely. Mostly cloudy, with a high near 14. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
4:31 pm MST Feb 12, 2026
Forecast Valid:
10pm MST Feb 12, 2026-6pm MST Feb 19, 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