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

13 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 18. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. South wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 45 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph.

    Low: 31 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Windy.

    High: 46 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 9pm, then a slight chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight.  Partly cloudy, with a low around 27. Windy.  Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. The snow could be heavy at times. Some thunder is also possible.  High near 30. Breezy.  Chance of precipitation is 90%.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow likely. The snow could be heavy at times.  Mostly cloudy, with a low around 21. Breezy.  Chance of precipitation is 70%.

    Low: 21 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 18. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 39. South wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 28. South southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 45. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 31. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Mostly sunny, with a high near 46. Windy.
Tuesday Night
A slight chance of snow before 9pm, then a slight chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Partly cloudy, with a low around 27. Windy. Chance of precipitation is 20%.
Wednesday
Snow likely before noon, then snow showers after noon. The snow could be heavy at times. Some thunder is also possible. High near 30. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 70%.
Thursday
Snow. High near 26. Blustery. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 15.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 17.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
5:31 pm MDT Apr 18, 2026
9pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
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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