National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

55°F

13°C

Humidity 26%
Wind Speed SW 12 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Mar 10:05 AM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: A 30 percent chance of snow, mainly after 5pm. Mostly sunny, with a high near 34. Windy, with a west southwest wind 36 to 45 mph, with gusts as high as 65 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Windy. Mostly
    Sunny then
    Chance Snow

  • Tonight

    Tonight: A chance of snow before 11pm, then a chance of snow after 5am. Mostly cloudy, with a low around 24. Windy, with a west wind 24 to 34 mph decreasing to 10 to 20 mph. Winds could gust as high as 46 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: Snow, mainly between noon and 3pm, then snow showers after 3pm. Some thunder is also possible. High near 33. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Chance Snow
    then Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26. Breezy, with a west wind 13 to 23 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow, mainly after noon. High near 32. Breezy, with a west southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. Low around 21. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow. High near 25. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 25 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15. Windy.

    Low: 15 °F

    Chance Snow
    and Windy

  • Friday

    Friday: A 30 percent chance of snow. Partly sunny, with a high near 25. Blustery.

    High: 25 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 5pm. Mostly sunny, with a high near 34. Windy, with a west southwest wind 36 to 45 mph, with gusts as high as 65 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 11pm, then a chance of snow after 5am. Mostly cloudy, with a low around 24. Windy, with a west wind 24 to 34 mph decreasing to 10 to 20 mph. Winds could gust as high as 46 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Tuesday
Snow, mainly between noon and 3pm, then snow showers after 3pm. Some thunder is also possible. High near 33. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. Breezy, with a west wind 13 to 23 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow, mainly after noon. High near 32. Breezy, with a west southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 21. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 25. Windy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15. Windy.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 25. Blustery.
Friday Night
Mostly clear, with a low around 19. Blustery.
Saturday
Sunny, with a high near 34.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.21°N 113.77°W (Elev. 10039 ft)
Last Update:
5:31 am MDT Mar 30, 2026
Forecast Valid:
10am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation