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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

28°F

-2°C

Humidity	75%
Wind Speed	NA 7 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	17 Apr 11:10 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles W St Mary MT

Today
High: 26 °F
Snow Showers
Likely
Tonight
Low: 20 °F
Slight Chance
Snow Showers
then Mostly
Clear
Saturday
High: 36 °F
Sunny
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 45 °F
Sunny
Sunday Night
Low: 34 °F
Partly Cloudy
Monday
High: 52 °F
Mostly Sunny
Monday Night
Low: 36 °F
Partly Cloudy
Tuesday
High: 56 °F
Mostly Sunny

Detailed Forecast

Today

Snow showers likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 26. West northwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A 20 percent chance of snow showers before 7pm. Partly cloudy, with a low around 20. West wind 9 to 17 mph, with gusts as high as 26 mph.

Saturday

Sunny, with a high near 36. West southwest wind around 18 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 28. West southwest wind 15 to 18 mph, with gusts as high as 31 mph.

Sunday

Sunny, with a high near 45. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.

Sunday Night

Partly cloudy, with a low around 34. West southwest wind around 15 mph, with gusts as high as 28 mph.

Monday

Mostly sunny, with a high near 52. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.