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 >

Hazardous Weather Conditions

Current conditions at

ENNIS (ENNM8)

Lat: 45.30215°NLon: 111.75415°WElev: 5056.0ft.

NA

41°F

5°C

Humidity 77%
Wind Speed S 18 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 25 Dec 11:16 PM MST
Extended Forecast for

Ennis MT

High Wind Warning December 26, 10:00am until December 26, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy, with a south wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of snow between noon and 4pm. Partly sunny, with a high near 46. Windy, with a south southwest wind 29 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Windy. Chance
    Rain/Snow
    then Chance
    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly after 11pm. Increasing clouds, with a low around 25. Breezy, with a south wind 22 to 29 mph, with gusts as high as 40 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 30. Breezy, with a southwest wind 13 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. North northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. South southwest wind around 7 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. South wind 8 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. South wind around 10 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy, with a south wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before noon, then a chance of snow between noon and 4pm. Partly sunny, with a high near 46. Windy, with a south southwest wind 29 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow, mainly after 11pm. Increasing clouds, with a low around 25. Breezy, with a south wind 22 to 29 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 30. Breezy, with a southwest wind 13 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 3. North northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 29. South southwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 12. South wind 8 to 10 mph.
Monday
Sunny, with a high near 37. South wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 29.
New Year's Day
Mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ennis MT
 45.35°N 111.73°W (Elev. 4980 ft)
Last Update:
10:57 pm MST Dec 25, 2025
Forecast Valid:
11pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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