Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

37°F

3°C

Humidity 93%
Wind Speed NNW 3 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 02 Apr 03:35 AM MDT
Extended Forecast for

21 Miles NNW Mackay ID

  • Overnight

    Overnight: Snow showers. The snow could be heavy at times. Some thunder is also possible.  Steady temperature around 22. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

    Low: 22 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow before 1pm, then snow showers likely between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Some thunder is also possible.  Temperature falling to around 12 by 10am. Wind chill values as low as -9. Breezy, with a west wind 22 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 17 °F

    Heavy Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow, mainly before 1am. The snow could be heavy at times.  Low around 10. Wind chill values as low as -11. Blustery, with a west northwest wind 21 to 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Blustery.
    Heavy Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -7. Northwest wind 15 to 20 mph, with gusts as high as 26 mph.

    High: 25 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 17. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Saturday Night

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

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 22. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Thursday
Snow before 1pm, then snow showers likely between 1pm and 4pm, then snow after 4pm. The snow could be heavy at times. Some thunder is also possible. Temperature falling to around 12 by 10am. Wind chill values as low as -9. Breezy, with a west wind 22 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow, mainly before 1am. The snow could be heavy at times. Low around 10. Wind chill values as low as -11. Blustery, with a west northwest wind 21 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -7. Northwest wind 15 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 17. West wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 33.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 40. Breezy.
Tuesday Night
Partly cloudy, with a low around 26. Breezy.
Wednesday
A 40 percent chance of snow. Mostly sunny, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
12:31 am MDT Apr 2, 2026
4am MDT Apr 2, 2026-6pm MDT Apr 8, 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