Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

8°F

-13°C

Humidity 73%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Last update 19 Feb 07:10 PM MST
Extended Forecast for

6 Miles W St Mary MT

  • Tonight

    Tonight: Snow likely, mainly after 3am.  Mostly cloudy, with a low around 4. Wind chill values as low as -10. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 4 °F

    Chance Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before 10am.  Partly sunny, with a high near 13. Wind chill values as low as -10. West wind 10 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 13 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 4. Wind chill values as low as -10. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Wind chill values as low as -10. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 11pm.  Partly cloudy, with a low around 4. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 4 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 28. South wind around 11 mph, with gusts as high as 23 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm.  Partly cloudy, with a low around 19. Southwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after 11am. The snow could be heavy at times.  Mostly cloudy, with a high near 30. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 45 mph.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Monday Night

    Monday Night: Snow likely. The snow could be heavy at times.  Mostly cloudy, with a low around 24. Breezy.

    Low: 24 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 4. Wind chill values as low as -10. Southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 10am. Partly sunny, with a high near 13. Wind chill values as low as -10. West wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 4. Wind chill values as low as -10. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 19. Wind chill values as low as -10. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 4. East wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 28. South wind around 11 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 19. Southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Monday
Snow likely, mainly after 11am. The snow could be heavy at times. Mostly cloudy, with a high near 30. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 45 mph.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 24. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 27. Breezy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Breezy.
Wednesday
A slight chance of snow. Partly sunny, with a high near 24. Windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 21. Windy.
Thursday
Snow likely. Partly sunny, with a high near 27. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W St Mary MT
 48.75°N 113.57°W (Elev. 6909 ft)
6:02 pm MST Feb 19, 2026
8pm MST Feb 19, 2026-6pm MST Feb 26, 2026
 
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Additional Resources

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