Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

45°F

7°C

Humidity 94%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 15 Jul 07:11 PM MDT
Extended Forecast for

6 Miles SSE St Mary MT

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 38. East northeast wind 8 to 14 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph becoming west northwest in the afternoon.

    High: 60 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 45. North wind 7 to 11 mph.

    Low: 45 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. West northwest wind 6 to 9 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. South southeast wind around 10 mph becoming southwest after midnight.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 38. East northeast wind 8 to 14 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 57. Southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph becoming west northwest in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. North wind 7 to 11 mph.
Friday
Mostly sunny, with a high near 63. West northwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 50. South southeast wind around 10 mph becoming southwest after midnight.
Saturday
Partly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Monday
A chance of showers. Partly sunny, with a high near 60.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE St Mary MT
 48.66°N 113.39°W (Elev. 7028 ft)
2:26 pm MDT Jul 15, 2025
7pm MDT Jul 15, 2025-6pm MDT Jul 22, 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