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

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 21. Southwest wind 14 to 16 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37. South southwest wind 13 to 21 mph, with gusts as high as 28 mph.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. South southwest wind 16 to 21 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph.

    High: 43 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 34 mph.

    Low: 30 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Windy.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 28. Windy.

    Low: 28 °F

    Partly Cloudy
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 30. Windy. Chance of precipitation is 90%.

    High: 30 °F

    Snow Showers
    and Windy

  • Wednesday Night

    Wednesday Night: Snow. Low around 21. Breezy. Chance of precipitation is 80%.

    Low: 21 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 21. Southwest wind 14 to 16 mph.
Sunday
Mostly sunny, with a high near 37. South southwest wind 13 to 21 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 27. South southwest wind 16 to 21 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 30. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 34 mph.
Tuesday
Mostly sunny, with a high near 45. Windy.
Tuesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 28. Windy.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 30. Windy. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 21. Breezy. Chance of precipitation is 80%.
Thursday
Snow likely. Mostly cloudy, with a high near 23. Blustery. 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 13.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 22.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 14.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 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