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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. 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

13 Miles W St Mary MT

  • Overnight

    Overnight: A 10 percent chance of snow after 5am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 22. South southwest wind around 6 mph.

    Low: 22 °F

    Slight Chance
    Snow and
    Patchy Fog

  • Wednesday

    Wednesday: Snow likely, mainly after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 27. South wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Low around 20. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow then
    Slight Chance
    Snow

  • Christmas Day

    Christmas Day: A 30 percent chance of snow. Partly sunny, with a high near 28. Southwest wind 10 to 13 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20. West southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 24. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around -5. Breezy, with a west wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    Low: -5 °F

    Heavy Snow
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy and cold, with a high near 3. Northwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 3 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 22. South southwest wind around 6 mph.
Wednesday
Snow likely, mainly after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 27. South wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow, mainly before 1am. Low around 20. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Christmas Day
A 30 percent chance of snow. Partly sunny, with a high near 28. Southwest wind 10 to 13 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20. West southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. High near 24. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 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. Breezy, with a west wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy and cold, with a high near 3. Northwest wind 10 to 17 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Mostly cloudy, with a high near 13.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 19.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W St Mary MT
 48.74°N 113.72°W (Elev. 7467 ft)
Last Update:
3:38 am MST Dec 24, 2025
Forecast Valid:
4am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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