Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. 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 46%
Wind Speed NA 20 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 17 Mar 03:10 AM MDT
Extended Forecast for

St Mary MT

High Wind Warning March 17, 04:01am until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 17, 04:01am until March 17, 06:00pm

    NOW until 6:00pm Tue

    High Wind Warning

  • Overnight

    Low: 44 °F

    Slight Chance
    Rain and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Breezy, with a west southwest wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 65 mph.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a chance of rain after 3am.  Mostly cloudy, with a low around 42. Southwest wind 15 to 18 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before noon.  Partly sunny, with a high near 51. Breezy, with a west southwest wind around 23 mph, with gusts as high as 49 mph.

    High: 51 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 44. West southwest wind around 18 mph, with gusts as high as 41 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 53. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 50 mph.

    High: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Partly cloudy, with a low around 47. West southwest wind 18 to 21 mph, with gusts as high as 48 mph.

    Low: 47 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain.  Partly sunny, with a high near 56. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 50 mph.

    High: 56 °F

    Chance Rain
    and Breezy

Detailed Forecast

Overnight
A 20 percent chance of rain before 5am. Partly cloudy, with a steady temperature around 44. Windy, with a west southwest wind around 31 mph, with gusts as high as 70 mph.
Tuesday
Mostly sunny, with a high near 49. Breezy, with a west southwest wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 65 mph.
Tuesday Night
A slight chance of rain before midnight, then a chance of rain after 3am. Mostly cloudy, with a low around 42. Southwest wind 15 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 51. Breezy, with a west southwest wind around 23 mph, with gusts as high as 49 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44. West southwest wind around 18 mph, with gusts as high as 41 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 53. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 50 mph.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 47. West southwest wind 18 to 21 mph, with gusts as high as 48 mph.
Friday
A chance of rain. Partly sunny, with a high near 56. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 50 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 46.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
1:17 am MDT Mar 17, 2026
4am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
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Additional Resources

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