Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until February 17, 05:00 PM MST

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

14°F

-10°C

Humidity	79%
Wind Speed	NA 12 MPH
Barometer	NA
Dewpoint	8°F (-13°C)
Visibility	NA
Wind Chill	0°F (-18°C)
Last update	17 Feb 08:10 AM MST

More Information:

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

Extended Forecast for

5 Miles WSW St Mary MT

Winter Weather Advisory February 17, 08:37am until February 17, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 17, 08:37am until February 17, 05:00pm
NOW until 5:00pm Tue
Winter Weather Advisory
Today
High: 16 °F⇓
Heavy Snow
and Blowing
Snow
Tonight
Low: -17 °F
Slight Chance
Snow then
Mostly Cloudy
Wednesday
High: -9 °F
Chance Snow
Wednesday Night
Low: -13 °F
Chance Snow
Thursday
High: 13 °F
Slight Chance
Snow
Thursday Night
Low: 2 °F
Slight Chance
Snow
Friday
High: 15 °F
Chance Snow
Friday Night
Low: 4 °F
Slight Chance
Snow

Detailed Forecast

Today

Snow, mainly before 3pm. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. Temperature rising to near 16 by noon, then falling to around 8 during the remainder of the day. Wind chill values as low as -10. Northwest wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 inches possible.

Tonight

A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around -17. Wind chill values as low as -35. North northeast wind 15 to 17 mph, with gusts as high as 26 mph.

Wednesday

A 50 percent chance of snow. Mostly cloudy and cold, with a high near -9. Wind chill values as low as -40. Northeast wind around 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -13. Wind chill values as low as -35. Northeast wind 8 to 14 mph becoming south southeast after midnight. Winds could gust as high as 24 mph. Little or no snow accumulation expected.

Thursday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 13. East wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 2. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.

Friday

A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 15. West southwest wind 13 to 20 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.

Friday Night

A slight chance of snow. Mostly cloudy, with a low around 4. West wind 13 to 17 mph, with gusts as high as 32 mph.

Saturday

A slight chance of snow. Partly sunny, with a high near 16.

Saturday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 2.

Sunday

A chance of snow. Partly sunny, with a high near 20.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 12.

Monday

A chance of snow. Partly sunny, with a high near 27.