Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

37°F

3°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 31 Mar 05:20 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Overnight

    Overnight: A 20 percent chance of snow.  Cloudy, with a low around 23. West southwest wind around 10 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow, mainly after noon. The snow could be heavy at times.  High near 29. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Heavy Snow
    then Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am, then a slight chance of snow after 5am.  Mostly cloudy, with a low around 20. West northwest wind 9 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 29. Southwest wind 10 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 29 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 18. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 18 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow.  High near 20. Breezy.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 20 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 13. Breezy.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 13 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: A 30 percent chance of snow.  Partly sunny, with a high near 23. Blustery.

    High: 23 °F

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 23. West southwest wind around 10 mph.
Tuesday
Snow, mainly after noon. The snow could be heavy at times. High near 29. Southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
A chance of snow before 3am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 20. West northwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after noon. High near 29. Southwest wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 18. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow. High near 20. 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 13. Breezy. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 23. Blustery.
Friday Night
Mostly clear, with a low around 15.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
4:02 am MDT Mar 31, 2026
5am 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