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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

MOUNT LOCKHART (MTKM8)

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

NA

32°F

0°C

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

36 Miles SSW Heart Butte MT

  • Overnight

    Overnight: Snow. Low around 31. Breezy, with a west wind around 24 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Rain and snow likely before 2pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 36. Breezy, with a west wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely
    and Breezy
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 30. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind around 6 mph.

    High: 42 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow, mainly after 5am. Mostly cloudy, with a low around 33. West wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Snow likely before 10am, then rain and snow. High near 37. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow, becoming all snow after 8pm. Low around 30. West wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Tuesday

    Tuesday: Snow. Mostly cloudy, with a high near 33. West southwest wind 8 to 10 mph.

    High: 33 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Snow Likely

Detailed Forecast

Overnight
Snow. Low around 31. Breezy, with a west wind around 24 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Rain and snow likely before 2pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 36. Breezy, with a west wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 30. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind around 6 mph.
Sunday Night
Rain likely, possibly mixed with snow, mainly after 5am. Mostly cloudy, with a low around 33. West wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Snow likely before 10am, then rain and snow. High near 37. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Rain and snow, becoming all snow after 8pm. Low around 30. West wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Snow. Mostly cloudy, with a high near 33. West southwest wind 8 to 10 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 23.
Wednesday
Snow likely, mainly before 11am. Partly sunny, with a high near 29.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
36 Miles SSW Heart Butte MT
 47.79°N 113.02°W (Elev. 6883 ft)
Last Update:
2:29 am MST Nov 15, 2025
Forecast Valid:
3am MST Nov 15, 2025-6pm MST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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