Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

45°F

7°C

Humidity 17%
Wind Speed NA 3 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Last update 24 Mar 12:10 AM MDT
Extended Forecast for

St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 37. South southwest wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow between 11am and 3pm, then rain likely.  Partly sunny, with a high near 47. Southwest wind 6 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain, mainly before midnight.  Low around 38. Southwest wind 13 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 9am, then a chance of snow.  Partly sunny, with a high near 45. West southwest wind 17 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 22. West wind 8 to 15 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny, with a high near 36. West wind 7 to 11 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. West wind 7 to 11 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 37. South southwest wind around 6 mph.
Tuesday
A chance of rain and snow between 11am and 3pm, then rain likely. Partly sunny, with a high near 47. Southwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Rain, mainly before midnight. Low around 38. Southwest wind 13 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of rain and snow before 9am, then a chance of snow. Partly sunny, with a high near 45. West southwest wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 22. West wind 8 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 36. West wind 7 to 11 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 22. West wind 7 to 11 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 45. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 38.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
12:32 am MDT Mar 24, 2026
12am MDT Mar 24, 2026-6pm MDT Mar 30, 2026
 
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