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

36°F

2°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 19 Apr 01:05 AM MDT
Extended Forecast for

23 Miles NW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 32. Light south southeast wind.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 61. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 9am, then rain and snow showers. Some thunder is also possible. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 32. Light south southeast wind.
Sunday
Mostly sunny, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. South wind 5 to 10 mph becoming light southeast after midnight.
Monday
Sunny, with a high near 61. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 41. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 39. Breezy.
Wednesday
Rain likely before 9am, then rain and snow showers. Some thunder is also possible. High near 46. Chance of precipitation is 80%.
Wednesday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Thursday
Snow likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 39.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
Last Update:
12:51 am MDT Apr 19, 2026
Forecast Valid:
1am MDT Apr 19, 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