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

Ennis - Big Sky Airport (KEKS)

Lat: 45.27436°NLon: 111.64886°WElev: 5383.0ft.

Mostly Cloudy

52°F

11°C

Humidity 43%
Wind Speed S 23 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Dec 11:50 AM MST
Extended Forecast for

5 Miles NNE Cameron MT

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 49. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of rain before 1am, then a slight chance of rain and snow after 5am.  Mostly cloudy, with a low around 37. Breezy, with a south southeast wind around 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Breezy.
    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow likely before 2pm, then a chance of snow.  Mostly cloudy, with a high near 45. Windy, with a southwest wind 25 to 31 mph, with gusts as high as 43 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely and
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 25. Breezy, with a south southwest wind around 25 mph, with gusts as high as 34 mph.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 34. Breezy, with a southwest wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Northwest wind 5 to 11 mph becoming south after midnight.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28. South wind around 6 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. South wind 7 to 10 mph.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Mostly sunny, with a high near 49. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 30 mph.
Tonight
A chance of rain before 1am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 37. Breezy, with a south southeast wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
Rain and snow likely before 2pm, then a chance of snow. Mostly cloudy, with a high near 45. Windy, with a southwest wind 25 to 31 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25. Breezy, with a south southwest wind around 25 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Breezy, with a southwest wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 8. Northwest wind 5 to 11 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 28. South wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 14. South wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Cameron MT
 45.27°N 111.65°W (Elev. 5335 ft)
10:07 am MST Dec 25, 2025
12pm MST Dec 25, 2025-6pm MST Dec 31, 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