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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

35°F

2°C

Humidity 48%
Wind Speed NA 13 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 13 Feb 11:10 PM MST
Extended Forecast for

5 Miles WSW St Mary MT

  • Overnight

    Overnight: A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 21. West southwest wind around 21 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before noon. The snow could be heavy at times. Partly sunny, with a high near 27. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 47 mph. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: A 30 percent chance of snow. Partly sunny, with a high near 27. West southwest wind 11 to 18 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 22. West southwest wind 16 to 18 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 33. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 14. South southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. Cloudy, with a high near 18. North wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 18 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Snow Likely

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 21. West southwest wind around 21 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
A 40 percent chance of snow, mainly before noon. The snow could be heavy at times. Partly sunny, with a high near 27. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 47 mph. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 27. West southwest wind 11 to 18 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 22. West southwest wind 16 to 18 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Washington's Birthday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 33. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 14. South southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow. Cloudy, with a high near 18. North wind 13 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 2.
Wednesday
A chance of snow. Mostly cloudy, with a high near 15.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 8.
Thursday
A chance of snow. Mostly cloudy, with a high near 16. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5. Breezy.
Friday
Snow likely. Mostly cloudy, with a high near 15.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
Last Update:
11:32 pm MST Feb 13, 2026
Forecast Valid:
12am MST Feb 14, 2026-6pm MST Feb 20, 2026
 
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