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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

ONION PARK (ONPM8)

Lat: 46.91348°NLon: 110.8536°WElev: 7410.0ft.

NA

34°F

1°C

Humidity 77%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 25 Dec 03:00 PM MST
Extended Forecast for

Neihart MT

  • Tonight

    Tonight: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 31. South southwest wind 16 to 20 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before 2pm. Mostly sunny, with a temperature rising to near 33 by noon, then falling to around 28 during the remainder of the day. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.

    High: 33 °F⇓

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. Wind chill values as low as zero. South southwest wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Likely

  • Saturday

    Saturday: Snow. High near 14. Wind chill values as low as -20. Southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 14 °F

    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -4. West wind around 10 mph.

    Low: -4 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 14. West southwest wind around 10 mph.

    High: 14 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Southwest wind 10 to 16 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 25. Southwest wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 31. South southwest wind 16 to 20 mph, with gusts as high as 26 mph.
Friday
A 30 percent chance of snow, mainly before 2pm. Mostly sunny, with a temperature rising to near 33 by noon, then falling to around 28 during the remainder of the day. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 9. Wind chill values as low as zero. South southwest wind around 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 14. Wind chill values as low as -20. Southwest wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -4. West wind around 10 mph.
Sunday
Mostly sunny, with a high near 14. West southwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 11. Southwest wind 10 to 16 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 25. Southwest wind 11 to 16 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
New Year's Day
A slight chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Neihart MT
 46.95°N 110.71°W (Elev. 7559 ft)
Last Update:
3:52 pm MST Dec 25, 2025
Forecast Valid:
4pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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