Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Winter Storm Warning until October 12, 06:00 AM MDT

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

27°F

-3°C

Humidity	85%
Wind Speed	NA 7 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	11 Oct 06:10 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

Winter Storm Warning October 11, 07:08pm until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 07:08pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Tonight
Low: 19 °F
Snow
Columbus Day
High: 37 °F
Chance Snow
then Mostly
Sunny
Monday Night
Low: 24 °F
Partly Cloudy
Tuesday
High: 45 °F
Sunny
Tuesday Night
Low: 27 °F
Mostly Clear
Wednesday
High: 53 °F
Mostly Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 54 °F
Mostly Sunny

Detailed Forecast

Tonight

Snow, mainly before 4am. Low around 19. North northeast wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Columbus Day

A 30 percent chance of snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 37. North northwest wind 5 to 8 mph becoming south southwest in the morning. New snow accumulation of less than a half inch possible.

Monday Night

Partly cloudy, with a low around 24. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 45. West southwest wind 5 to 9 mph.

Tuesday Night

Mostly clear, with a low around 27. Southwest wind 3 to 7 mph.

Wednesday

Mostly sunny, with a high near 53. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

Wednesday Night

Partly cloudy, with a low around 29. West southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 23 mph.

Thursday

Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.