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

21°F

-6°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Apr 07:20 AM MDT
Extended Forecast for

16 Miles NW Mackay ID

  • Today

    Today: Partly sunny, with a high near 29. South wind 9 to 17 mph, with gusts as high as 21 mph.

    High: 29 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. South wind 10 to 17 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41. South southwest wind 10 to 16 mph, with gusts as high as 21 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Southwest wind 11 to 18 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. South southwest wind 11 to 20 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48. Breezy.

    High: 48 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain and
    Breezy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 80%.

    High: 33 °F

    Breezy.
    Chance Snow
    then Snow
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 29. South wind 9 to 17 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 22. South wind 10 to 17 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 41. South southwest wind 10 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 30. Southwest wind 11 to 18 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 47. South southwest wind 11 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 48. Breezy.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.
Wednesday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 60%.
Thursday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 19.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Mackay ID
 44.09°N 113.81°W (Elev. 10318 ft)
Last Update:
5:31 am MDT Apr 18, 2026
Forecast Valid:
7am MDT Apr 18, 2026-6pm MDT Apr 24, 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