Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

36°F

2°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 23 Nov 10:35 PM MST
Extended Forecast for

16 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 21. West southwest wind 6 to 11 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow, mainly before 2pm.  Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 10 by 5pm. Wind chill values as low as -9. Blustery, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.  Little or no snow accumulation expected.

    High: 22 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. Wind chill values as low as -12. Blustery, with a west wind 13 to 23 mph, with gusts as high as 36 mph.

    Low: 6 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14. Wind chill values as low as -9. West southwest wind 6 to 10 mph.

    High: 14 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11. West southwest wind 6 to 10 mph.

    Low: 11 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 21. Little or no snow accumulation expected.

    High: 21 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 19. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow

  • Thanksgiving Day

    Thanksgiving Day: A 20 percent chance of snow.  Partly sunny, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 21. West southwest wind 6 to 11 mph.
Monday
A 30 percent chance of snow, mainly before 2pm. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 10 by 5pm. Wind chill values as low as -9. Blustery, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 6. Wind chill values as low as -12. Blustery, with a west wind 13 to 23 mph, with gusts as high as 36 mph.
Tuesday
Mostly sunny, with a high near 14. Wind chill values as low as -9. West southwest wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 11. West southwest wind 6 to 10 mph.
Wednesday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 21. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 19. Little or no snow accumulation expected.
Thanksgiving Day
A 20 percent chance of snow. Partly sunny, with a high near 25.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 18.
Friday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 20.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 14.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
A 30 percent chance of snow. Partly sunny and cold, with a high near 7.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
10:31 pm MST Nov 23, 2025
10pm MST Nov 23, 2025-6pm MST Nov 30, 2025
 
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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