Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

26°F

-3°C

Humidity 58%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 28 Feb 07:10 PM MST
Extended Forecast for

St Mary MT

  • Tonight

    Tonight: Mostly clear, with a low around 25. South southwest wind around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. West southwest wind around 10 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. West southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West southwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. Southwest wind 11 to 15 mph, with gusts as high as 32 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 5pm, then a chance of rain and snow.  Mostly cloudy, with a high near 43. West southwest wind 11 to 16 mph, with gusts as high as 33 mph.

    High: 43 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 25. South southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 45. South southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 31. West southwest wind around 10 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 48. West southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 33. West southwest wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 47. Southwest wind 11 to 15 mph, with gusts as high as 32 mph.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 32 mph.
Wednesday
Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. West southwest wind 11 to 16 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 30.
Thursday
A chance of snow. Partly sunny, with a high near 39.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 38.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28.
Saturday
Snow likely. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
3:47 pm MST Feb 28, 2026
8pm MST Feb 28, 2026-6pm MST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database