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

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

22°F

-6°C

Humidity 87%
Wind Speed W 19 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill7°F (-14°C)
Last update 22 Dec 01:00 PM MST
Extended Forecast for

8 Miles WSW St Mary MT

  • Overnight

    Overnight: A 20 percent chance of snow before 4am. Mostly cloudy, with a steady temperature around 27. Breezy, with a west southwest wind around 22 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Slight Chance
    Snow and
    Breezy

  • Christmas Day

    Christmas Day: A 20 percent chance of snow after 4pm. Partly sunny, with a high near 28. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    High: 28 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow, mainly after 11am. High near 26. Breezy, with a west southwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around -5. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: -5 °F

    Heavy Snow
    and Windy

  • Saturday

    Saturday: Snow, mainly before 11am. High near 6. Blustery, with a north wind 13 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 6 °F

    Snow and
    Blustery then
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -7. North wind 9 to 17 mph becoming west in the evening. Winds could gust as high as 21 mph.

    Low: -7 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 11. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 31 mph.

    High: 11 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Overnight
A 20 percent chance of snow before 4am. Mostly cloudy, with a steady temperature around 27. Breezy, with a west southwest wind around 22 mph, with gusts as high as 28 mph.
Christmas Day
A 20 percent chance of snow after 4pm. Partly sunny, with a high near 28. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly after 11am. High near 26. Breezy, with a west southwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around -5. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow, mainly before 11am. High near 6. Blustery, with a north wind 13 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Partly cloudy, with a low around -7. North wind 9 to 17 mph becoming west in the evening. Winds could gust as high as 21 mph.
Sunday
Partly sunny, with a high near 11. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 9. Windy.
Monday
Mostly cloudy, with a high near 19. Windy.
Monday Night
Mostly cloudy, with a low around 16. Windy.
Tuesday
Mostly cloudy, with a high near 22. Breezy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 17. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 24. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW St Mary MT
 48.71°N 113.59°W (Elev. 7999 ft)
Last Update:
2:11 am MST Dec 25, 2025
Forecast Valid:
3am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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