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Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

21°F

-6°C

Humidity 67%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 21 Jan 07:10 AM MST
Extended Forecast for

St Mary MT

  • Today

    Today: Partly sunny, with a high near 29. Light north wind.

    High: 29 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 16. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 16 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -1. East southeast wind 3 to 6 mph.

    Low: -1 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 16. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. West southwest wind around 6 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 23. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11. West southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 29. Light north wind.
Tonight
Mostly cloudy, with a low around 8. Calm wind.
Thursday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 16. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -1. East southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 16. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 6. West southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 23. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 11. West southwest wind around 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
4:08 am MST Jan 21, 2026
Forecast Valid:
7am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation