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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 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.

69°F

21°C

Humidity	17%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	21 Apr 03:00 PM MDT

More Information:

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

Extended Forecast for

11 Miles WNW 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: 42 °F
Slight Chance
Rain then
Partly Cloudy
Wednesday
High: 55 °F
Chance Rain
then Showers
Wednesday Night
Low: 26 °F
Rain/Snow
Thursday
High: 34 °F
Snow
Thursday Night
Low: 19 °F
Chance Snow
Friday
High: 30 °F
Chance Snow
Friday Night
Low: 18 °F
Chance Snow
Saturday
High: 32 °F
Chance Snow
Saturday Night
Low: 18 °F
Slight Chance
Snow

Detailed Forecast

Tonight

A slight chance of rain between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. South southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

Wednesday

Rain and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then rain after 5pm. High near 55. South southwest wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Snow, possibly mixed with rain, becoming all snow after 3am. Low around 26. West wind around 14 mph becoming north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow. High near 34. North wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 19. North wind 10 to 13 mph, with gusts as high as 24 mph. New snow accumulation of around an inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 30. North wind 9 to 13 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 18. North wind 5 to 11 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

Saturday

A chance of snow. Mostly cloudy, with a high near 32. Light north wind becoming north northeast 5 to 9 mph in the morning.

Saturday Night

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

Sunday

A chance of snow. Partly sunny, with a high near 34.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 20.

Monday

A slight chance of snow. Mostly sunny, with a high near 42.

Monday Night

Partly cloudy, with a low around 28.