National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

N/A

Humidity 85%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 12 Oct 08:10 AM MDT
Extended Forecast for

5 Miles SW St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 40. Southwest wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Light and variable wind becoming south southwest around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. Southwest wind 3 to 6 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 40. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 62. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 56. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. Light and variable wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 63. Southwest wind 3 to 6 mph.
Thursday Night
Rain. Mostly cloudy, with a low around 36.
Friday
Rain before 9am, then rain and snow. Cloudy, with a high near 44.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 27.
Saturday
A slight chance of snow. Partly sunny, with a high near 39.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW St Mary MT
 48.69°N 113.52°W (Elev. 4491 ft)
Last Update:
12:31 am MDT Oct 19, 2026
Forecast Valid:
2am MDT Oct 19, 2026-6pm MDT Oct 25, 2026
 
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Additional Resources

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