National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Nov 11:15 AM MST
Extended Forecast for

15 Miles NNW Mackay ID

  • Today

    Today: Partly sunny, with a temperature falling to around 29 by 5pm. Breezy, with a south wind 22 to 24 mph, with gusts as high as 37 mph.

    High: 33 °F⇓

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Snow, mainly between 11pm and 5am. Steady temperature around 29. Windy, with a south wind 27 to 32 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Snow and
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow between noon and 2pm. Mostly cloudy, with a temperature falling to around 24 by 5pm. West northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F⇓

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. West northwest wind 5 to 13 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 27. Breezy. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.

    Low: 21 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 23. Chance of precipitation is 80%.

    High: 23 °F

    Snow

Detailed Forecast

Today
Partly sunny, with a temperature falling to around 29 by 5pm. Breezy, with a south wind 22 to 24 mph, with gusts as high as 37 mph.
Tonight
Snow, mainly between 11pm and 5am. Steady temperature around 29. Windy, with a south wind 27 to 32 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow between noon and 2pm. Mostly cloudy, with a temperature falling to around 24 by 5pm. West northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 18. West northwest wind 5 to 13 mph.
Sunday
Mostly sunny, with a high near 28. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 20. Breezy.
Monday
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 27. Breezy. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 70%.
Tuesday
Snow. High near 23. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 20.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow. Mostly cloudy, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Mackay ID
 44.1°N 113.75°W (Elev. 9770 ft)
Last Update:
10:31 am MST Nov 13, 2026
Forecast Valid:
11am MST Nov 13, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation