National Weather Service

News Headlines

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 April 22, 06:00 PM MDT until April 23, 06:00 PM MDT

Current conditions at

MANY GLACIER (MANM8)

Lat: 48.79698°NLon: 113.6705°WElev: 4900.0ft.

49°F

9°C

Humidity	51%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	21 Apr 10:00 PM MDT

More Information:

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

Extended Forecast for

12 Miles W St Mary MT

Winter Weather Advisory April 22, 06:00pm until April 23, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 41 °F
Decreasing
Clouds
Wednesday
High: 53 °F
Chance Rain
then
Rain/Snow
Wednesday Night
Low: 24 °F
Rain/Snow
then Snow
Thursday
High: 31 °F
Snow
Thursday Night
Low: 18 °F
Snow Likely
Friday
High: 28 °F
Snow Likely
Friday Night
Low: 17 °F
Chance Snow
Saturday
High: 30 °F
Chance Snow
Saturday Night
Low: 16 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 41. South southeast wind around 7 mph.

Wednesday

Rain showers before 5pm, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. High near 53. Southeast wind 6 to 14 mph becoming north northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow, becoming all snow after midnight. The snow could be heavy at times. Low around 24. West wind 13 to 15 mph becoming north northeast after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday

Snow. High near 31. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely. Mostly cloudy, with a high near 28. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 17. North wind 5 to 11 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow. Mostly cloudy, with a high near 30. North northeast wind 3 to 8 mph.

Saturday Night

A chance of snow, mainly before midnight. Mostly cloudy, with a low around 16.

Sunday

A chance of snow. Partly sunny, with a high near 32.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 18.

Monday

A chance of snow. Mostly sunny, with a high near 40.

Monday Night

Partly cloudy, with a low around 27.