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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

79°F

26°C

Humidity 19%
Wind Speed NA 7 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Heat Index78°F (26°C)
Last update 25 Jul 08:10 PM MDT
Extended Forecast for

St Mary MT

  • Tonight

    Tonight: Widespread smoke, mainly after 5am. Mostly clear, with a low around 57. Southwest wind 10 to 17 mph, with gusts as high as 41 mph.

    Low: 57 °F

    Smoke

  • Sunday

    Sunday: Areas of smoke. Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 32 mph.

    High: 80 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Patchy smoke. Mostly clear, with a low around 52. Southwest wind 6 to 11 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Patchy Smoke

  • Monday

    Monday: Sunny, with a high near 80. Southwest wind 5 to 11 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 29 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West southwest wind 5 to 11 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Widespread smoke, mainly after 5am. Mostly clear, with a low around 57. Southwest wind 10 to 17 mph, with gusts as high as 41 mph.
Sunday
Areas of smoke. Sunny, with a high near 80. Southwest wind 9 to 13 mph, with gusts as high as 32 mph.
Sunday Night
Patchy smoke. Mostly clear, with a low around 52. Southwest wind 6 to 11 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 80. Southwest wind 5 to 11 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 83. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.
Tuesday Night
Clear, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 82. West southwest wind 5 to 11 mph, with gusts as high as 26 mph.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.76°N 113.44°W (Elev. 4741 ft)
Last Update:
3:52 pm MDT Jul 25, 2026
Forecast Valid:
9pm MDT Jul 25, 2026-6pm MDT Aug 1, 2026
 
Forecast Discussion
 
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