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

MOUNT LOCKHART (MTKM8)

Lat: 47.91727°NLon: 112.8238°WElev: 6400.0ft.

NA

35°F

2°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

22 Miles S Heart Butte MT

  • Today

    Today: Mostly sunny, with a high near 39. West southwest wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 29. West southwest wind 13 to 16 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 37. West southwest wind 7 to 13 mph.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. West wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 28. North northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 11pm. Low around 20. West northwest wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. West wind 3 to 8 mph.

    High: 27 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 20. Light southwest wind.

    Low: 20 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 29.

    High: 29 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 39. West southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 29. West southwest wind 13 to 16 mph, with gusts as high as 23 mph.
Monday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 37. West southwest wind 7 to 13 mph.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. West wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 28. North northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow, mainly before 11pm. Low around 20. West northwest wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 27. West wind 3 to 8 mph.
Wednesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 20. Light southwest wind.
Thursday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Mostly cloudy, with a high near 28.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles S Heart Butte MT
 47.97°N 112.84°W (Elev. 7116 ft)
Last Update:
11:31 pm MST Nov 14, 2026
Forecast Valid:
4am MST Nov 15, 2026-6pm MST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation