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

Cold Weather Advisory in effect from February 18, 12:00 PM MST until February 19, 12:00 PM MST

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 19 MPH
Barometer	29.5 in (998.99 mb)
Dewpoint	-25°F (-32°C)
Visibility	NA
Wind Chill	-46°F (-43°C)
Last update	18 Feb 12:00 PM MST

More Information:

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

Extended Forecast for

9 Miles WSW St Mary MT

Cold Weather Advisory until February 19, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until February 19, 12:00pm
NOW until 12:00pm Thu
Cold Weather Advisory
This Afternoon
High: -1 °F
Chance Snow
Tonight
Low: -9 °F
Slight Chance
Snow then
Mostly Cloudy
Thursday
High: 22 °F
Mostly Sunny
Thursday Night
Low: 8 °F
Slight Chance
Snow
Friday
High: 25 °F
Chance Snow
Friday Night
Low: 12 °F
Slight Chance
Snow then
Mostly Cloudy
Saturday
High: 29 °F
Slight Chance
Snow
Saturday Night
Low: 8 °F
Slight Chance
Snow

Detailed Forecast

This Afternoon

A 40 percent chance of snow, mainly before 3pm. Mostly cloudy and cold, with a high near -1. Wind chill values as low as -25. East northeast wind around 10 mph, with gusts as high as 23 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around -9. Wind chill values as low as -25. East northeast wind 5 to 9 mph becoming south southwest after midnight.

Thursday

Mostly sunny, with a high near 22. Wind chill values as low as -15. West southwest wind 3 to 6 mph.

Thursday Night

A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 8. Wind chill values as low as zero. West southwest wind around 6 mph.

Friday

A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 25. West southwest wind 6 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Friday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

Saturday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 29. West southwest wind around 7 mph.

Saturday Night

A slight chance of snow after 11pm. Partly cloudy, with a low around 8. East wind around 7 mph.

Sunday

A slight chance of snow. Partly sunny, with a high near 30.

Sunday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 15.

Monday

A chance of snow. Partly sunny, with a high near 39.