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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

54°F

12°C

Humidity 17%
Wind Speed NE 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Apr 03:35 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 17. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 29 mph.

    High: 36 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 34 mph.

    High: 42 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Breezy, with a south southeast wind 17 to 25 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Windy.

    High: 42 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after midnight. Partly cloudy, with a low around 25. Windy. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 28. Breezy. Chance of precipitation is 90%.

    High: 28 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 70%.

    Low: 19 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 36. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 26. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 42. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 29. Breezy, with a south southeast wind 17 to 25 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 42. Windy.
Tuesday Night
A 30 percent chance of snow, mainly after midnight. Partly cloudy, with a low around 25. Windy. Little or no snow accumulation expected.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 28. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 19. Breezy. Chance of precipitation is 70%.
Thursday
Snow. High near 22. Blustery. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 13.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
Last Update:
12:31 pm MDT Apr 18, 2026
Forecast Valid:
3pm MDT Apr 18, 2026-6pm MDT Apr 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