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

46°F

8°C

Humidity 33%
Wind Speed S 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 18 Apr 09:20 PM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 29. South wind around 6 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Light south southwest wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 9am, then rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. South wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 56. Light south southwest wind becoming south southeast 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming light south southwest after midnight.
Monday
Mostly sunny, with a high near 61. Light south wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 41. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 63. Breezy.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 38. Breezy.
Wednesday
Rain likely before 9am, then rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Wednesday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
Snow likely, mainly after noon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 45.
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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 pm MDT Apr 18, 2026
Forecast Valid:
9pm 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