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

23°F

-5°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Apr 06:20 AM MDT
Extended Forecast for

14 Miles NNW Mackay ID

  • Today

    Today: Partly sunny, with a high near 28. Wind chill values as low as -2. West northwest wind 8 to 18 mph becoming south in the morning. Winds could gust as high as 26 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. South wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. South southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. Windy.

    High: 47 °F

    Mostly Sunny
    then Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after midnight. Partly cloudy, with a low around 27. Windy.

    Low: 27 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 32. Breezy. Chance of precipitation is 80%.

    High: 32 °F

    Snow Showers
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 28. Wind chill values as low as -2. West northwest wind 8 to 18 mph becoming south in the morning. Winds could gust as high as 26 mph.
Tonight
Mostly clear, with a low around 18. South wind 10 to 18 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 39. South southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 27. South southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 45. West wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 31. Breezy.
Tuesday
Sunny, with a high near 47. Windy.
Tuesday Night
A 30 percent chance of snow, mainly after midnight. Partly cloudy, with a low around 27. Windy.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 32. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 60%.
Thursday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 17.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
5:31 am MDT Apr 18, 2026
Forecast Valid:
6am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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