National Weather Service

News Headlines

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

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

21°F

-6°C

Humidity	93%
Wind Speed	W 5 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	19°F (-7°C)
Visibility	NA
Wind Chill	14°F (-10°C)
Last update	17 Apr 09:00 AM MDT

More Information:

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

Extended Forecast for

9 Miles WSW St Mary MT

This Afternoon
High: 37 °F
Heavy Snow
Tonight
Low: 24 °F
Slight Chance
Snow then
Partly Cloudy
Saturday
High: 45 °F
Mostly Sunny
Saturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 38 °F
Partly Cloudy
Monday
High: 62 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 66 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Snow showers likely, mainly before 4pm. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a high near 37. West northwest wind around 7 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 24. West southwest wind 6 to 9 mph.

Saturday

Mostly sunny, with a high near 45. West southwest wind 9 to 13 mph, with gusts as high as 25 mph.

Saturday Night

Mostly clear, with a low around 31. West southwest wind 8 to 10 mph, with gusts as high as 22 mph.

Sunday

Sunny, with a high near 54. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.

Sunday Night

Partly cloudy, with a low around 38. West southwest wind 7 to 9 mph, with gusts as high as 21 mph.

Monday

Mostly sunny, with a high near 62. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.