Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Winter Storm Warning until October 13, 12:00 PM MDT

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

28°F

-2°C

Humidity	74%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	12 Oct 11:10 AM MDT

More Information:

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

Extended Forecast for

5 Miles SW St Mary MT

Winter Storm Warning October 12, 11:47am until October 13, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 12, 11:47am until October 13, 12:00pm
NOW until 12:00pm Mon
Winter Storm Warning
Today
High: 32 °F
Snow Likely
Tonight
Low: 15 °F
Snow
Columbus Day
High: 30 °F
Snow
Monday Night
Low: 16 °F
Snow Likely
Tuesday
High: 39 °F
Chance Snow
Tuesday Night
Low: 22 °F
Slight Chance
Rain/Snow
Wednesday
High: 46 °F
Chance
Rain/Snow
then Chance
Rain
Wednesday Night
Low: 27 °F
Chance Rain
then Chance
Rain/Snow

Detailed Forecast

Today

Snow likely, mainly after 4pm. Cloudy, with a high near 32. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

Tonight

Snow. Low around 15. Northeast wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Columbus Day

Snow. High near 30. East northeast wind 13 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Monday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday

A 40 percent chance of snow. Mostly cloudy, with a high near 39. East wind around 8 mph. Little or no snow accumulation expected.

Tuesday Night

A slight chance of rain and snow before 3am, then a slight chance of snow. Mostly cloudy, with a low around 22. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.

Wednesday

A chance of rain and snow before noon, then a chance of rain. Partly sunny, with a high near 46. Light and variable wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday Night

A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 27. West southwest wind 5 to 7 mph.

Thursday

A chance of rain and snow before 9am, then a chance of rain. Partly sunny, with a high near 44.

Thursday Night

A slight chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 28.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 45.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 24.

Saturday

A chance of rain and snow. Partly sunny, with a high near 43.