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

Hazardous Weather Conditions

Winter Weather Advisory in effect from March 29, 08:00 PM MDT until March 30, 10:00 AM MDT

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

23°F

-5°C

Humidity	94%
Wind Speed	W 15 MPH
Barometer	29.77 in (1008.13 mb)
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	10°F (-12°C)
Last update	30 Mar 12:00 AM MDT

More Information:

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

Extended Forecast for

13 Miles W St Mary MT

Winter Weather Advisory until March 30, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until March 30, 10:00am
NOW until 10:00am Mon
Winter Weather Advisory
Overnight
Low: 22 °F
Heavy Snow
and Blowing
Snow
Monday
High: 18 °F
Snow and
Areas Blowing
Snow
Monday Night
Low: 4 °F
Chance Snow
then Partly
Cloudy
Tuesday
High: 24 °F
Mostly Cloudy
Tuesday Night
Low: 15 °F
Mostly Cloudy
Wednesday
High: 31 °F
Partly Sunny
then Chance
Snow
Wednesday Night
Low: 23 °F
Snow
Thursday
High: 25 °F
Heavy Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 22. Breezy, with a southwest wind around 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

Monday

Snow. Areas of blowing snow before noon. High near 18. Wind chill values as low as zero. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Monday Night

A 40 percent chance of snow before midnight. Partly cloudy, with a low around 4. Wind chill values as low as -10. West wind 7 to 15 mph becoming east after midnight. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

Tuesday

Mostly cloudy, with a high near 24. Wind chill values as low as -10. South southeast wind 7 to 10 mph becoming southwest in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 15. South wind around 10 mph.

Wednesday

A 30 percent chance of snow after noon. Mostly cloudy, with a high near 31. Southwest wind 9 to 11 mph. Little or no snow accumulation expected.

Wednesday Night

Snow. Low around 23. South southwest wind around 8 mph becoming west northwest after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow. The snow could be heavy at times. Cloudy, with a high near 25. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.

Thursday Night

Snow. Cloudy, with a low around 16.

Friday

Snow likely. Mostly cloudy, with a high near 27.

Friday Night

A chance of snow. Mostly cloudy, with a low around 17.

Saturday

A slight chance of snow. Partly sunny, with a high near 31.

Saturday Night

A slight chance of snow. Mostly cloudy, with a low around 22.