Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

39°F

4°C

Humidity 86%
Wind Speed NNE 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 31 Mar 12:30 AM MDT
Extended Forecast for

17 Miles NNW Mackay ID

  • Overnight

    Overnight: A 50 percent chance of snow, mainly between 1am and 5am.  Mostly cloudy, with a low around 31. Southwest wind 3 to 5 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 31 °F

    Chance Snow

  • Tuesday

    Tuesday: Rain and snow before 5pm, then a slight chance of snow.  High near 43. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am, then a slight chance of snow after 4am.  Mostly cloudy, with a low around 28. West southwest wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 42. Light west southwest wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 26. South wind 14 to 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 29. Breezy.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 20. Breezy.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: A 40 percent chance of snow.  Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly between 1am and 5am. Mostly cloudy, with a low around 31. Southwest wind 3 to 5 mph. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Rain and snow before 5pm, then a slight chance of snow. High near 43. Southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow before 3am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. West southwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after noon. High near 42. Light west southwest wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. Low around 26. South wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 29. Breezy. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Breezy. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
12:30 am MDT Mar 31, 2026
12am MDT Mar 31, 2026-6pm MDT Apr 6, 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