Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

46°F

8°C

Humidity 58%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Nov 12:10 PM MST
Extended Forecast for

6 Miles W St Mary MT

  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly before 2pm.  Partly sunny, with a high near 34. West southwest wind around 18 mph, with gusts as high as 33 mph.  Total daytime snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: A slight chance of snow before 11pm, then a chance of snow after midnight.  Mostly cloudy, with a low around 23. West southwest wind 13 to 18 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 11am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 31. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 31 °F

    Slight Chance
    Snow then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. Southwest wind 6 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 36. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 40 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 30. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 44 mph.

    High: 30 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A slight chance of snow.  Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 47 mph.

    Low: 28 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday

    Saturday: A chance of snow.  Partly sunny, with a high near 30. Breezy.

    High: 30 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly before 2pm. Partly sunny, with a high near 34. West southwest wind around 18 mph, with gusts as high as 33 mph. Total daytime snow accumulation of around an inch possible.
Tonight
A slight chance of snow before 11pm, then a chance of snow after midnight. Mostly cloudy, with a low around 23. West southwest wind 13 to 18 mph becoming north northwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 31. Northwest wind around 6 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 23. Southwest wind 6 to 10 mph.
Thursday
Sunny, with a high near 36. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 27. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 40 mph.
Friday
Partly sunny, with a high near 30. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 44 mph.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 47 mph.
Saturday
A chance of snow. Partly sunny, with a high near 30. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24.
Monday
Snow likely. Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W St Mary MT
 48.75°N 113.57°W (Elev. 6909 ft)
8:27 am MST Nov 18, 2025
1pm MST Nov 18, 2025-6pm MST Nov 24, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database