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.

Rain

37°F

3°C

Humidity 93%
Wind Speed N 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 31 Mar 03:05 AM MDT
Extended Forecast for

9 Miles NNW Mackay ID

  • Overnight

    Overnight: A 50 percent chance of snow, mainly before 5am. The snow could be heavy at times.  Mostly cloudy, with a low around 23. West southwest wind around 11 mph.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow, mainly after noon. The snow could be heavy at times.  High near 27. Southwest wind 11 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 27 °F

    Heavy Snow
    then Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a slight chance of snow after 5am.  Cloudy, then gradually becoming partly cloudy, with a low around 19. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly after noon.  High near 28. Southwest wind 11 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Chance Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 16. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 16 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow.  High near 19. Breezy.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 19 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 12. Windy.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow Likely
    and Windy

  • 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 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly before 5am. The snow could be heavy at times. Mostly cloudy, with a low around 23. West southwest wind around 11 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Tuesday
Snow, mainly after noon. The snow could be heavy at times. High near 27. Southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
A chance of snow before 4am, then a slight chance of snow after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 19. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust 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 28. Southwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 16. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow. High near 19. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. Windy. 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 14.
Saturday
Sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Mackay ID
 44.05°N 113.65°W (Elev. 11194 ft)
12:30 am MDT Mar 31, 2026
3am 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