Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

-19°F

-28°C

Humidity	75%
Wind Speed	ESE 16 MPH
Barometer	29.47 in (997.97 mb)
Dewpoint	-24°F (-31°C)
Visibility	NA
Wind Chill	-44°F (-42°C)
Last update	18 Feb 06:00 AM MST

More Information:

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

Extended Forecast for

13 Miles W St Mary MT

Cold Weather Advisory February 18, 12:00pm until February 19, 12:00pm

Extreme Cold Warning February 18, 07:02am until February 18, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Extreme Cold Warning

Extreme Cold Warning February 18, 07:02am until February 18, 12:00pm
NOW until 12:00pm Wed
Extreme Cold Warning
Today
High: -8 °F
Chance Snow
Tonight
Low: -14 °F
Chance Snow
Thursday
High: 9 °F
Slight Chance
Snow
Thursday Night
Low: 1 °F
Slight Chance
Snow
Friday
High: 12 °F
Chance Snow
Friday Night
Low: 5 °F
Chance Snow
Saturday
High: 15 °F
Chance Snow
Saturday Night
Low: 0 °F
Chance Snow

Detailed Forecast

Today

A 50 percent chance of snow, mainly after 4pm. Mostly cloudy and cold, with a high near -8. Wind chill values as low as -35. East northeast wind around 15 mph, with gusts as high as 22 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of snow before 2am, then a slight chance of snow after 4am. Cloudy, then gradually becoming partly cloudy, with a low around -14. Wind chill values as low as -35. East northeast wind 7 to 13 mph becoming south after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Thursday

A 20 percent chance of snow after 11am. Partly sunny, with a high near 9. Wind chill values as low as -25. Southwest wind 7 to 9 mph.

Thursday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 1. Wind chill values as low as -15. Southwest wind around 9 mph.

Friday

A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 12. West southwest wind 9 to 15 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 15. West southwest wind around 10 mph becoming northeast in the afternoon. Little or no snow accumulation expected.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 0. East northeast wind around 10 mph.

Sunday

A chance of snow. Mostly cloudy, with a high near 15.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 7.

Monday

Snow likely. Mostly cloudy, with a high near 24.

Monday Night

Snow. Cloudy, with a low around 16.

Tuesday

Snow likely. Mostly cloudy, with a high near 21.