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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

24°F

-4°C

Humidity 90%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 17 Feb 03:11 AM MST
Extended Forecast for

7 Miles S St Mary MT

Winter Weather Advisory until February 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 17, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • Overnight

    Low: 18 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before 3pm. Temperature falling to around 8 by 4pm. Wind chill values as low as -15. Blustery, with a north wind 22 to 29 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 19 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow between 1am and 2am. Patchy blowing snow before 5am. Mostly cloudy, with a low around -16. Wind chill values as low as -40. Blustery, with a north wind 20 to 23 mph, with gusts as high as 28 mph.

    Low: -16 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Patchy blowing snow between 8am and 11am. Mostly cloudy and cold, with a high near -9. Wind chill values as low as -40. Blustery, with a north northeast wind 18 to 22 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    High: -9 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -16. North northeast wind 15 to 21 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    Low: -16 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Partly sunny, with a high near 8. North northeast wind around 15 mph becoming south southwest in the morning. Winds could gust as high as 22 mph.

    High: 8 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 0. West southwest wind 15 to 17 mph, with gusts as high as 22 mph.

    Low: 0 °F

    Slight Chance
    Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 12. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 34 mph.

    High: 12 °F

    Chance Snow
    and Breezy

Detailed Forecast

Overnight
Snow likely, mainly after 5am. The snow could be heavy at times. Mostly cloudy, with a steady temperature around 18. East northeast wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before 3pm. Temperature falling to around 8 by 4pm. Wind chill values as low as -15. Blustery, with a north wind 22 to 29 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Tuesday Night
A 20 percent chance of snow between 1am and 2am. Patchy blowing snow before 5am. Mostly cloudy, with a low around -16. Wind chill values as low as -40. Blustery, with a north wind 20 to 23 mph, with gusts as high as 28 mph.
Wednesday
A 50 percent chance of snow. Patchy blowing snow between 8am and 11am. Mostly cloudy and cold, with a high near -9. Wind chill values as low as -40. Blustery, with a north northeast wind 18 to 22 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -16. North northeast wind 15 to 21 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 8. North northeast wind around 15 mph becoming south southwest in the morning. Winds could gust as high as 22 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 0. West southwest wind 15 to 17 mph, with gusts as high as 22 mph.
Friday
A chance of snow. Partly sunny, with a high near 12. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 34 mph.
Friday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 2. Breezy.
Saturday
A slight chance of snow. Partly sunny, with a high near 13.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1.
Sunday
A chance of snow. Partly sunny, with a high near 17.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10.
Monday
Snow likely. Mostly cloudy, with a high near 24. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
12:01 am MST Feb 17, 2026
Forecast Valid:
4am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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