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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

-14°F

-26°C

Humidity	76%
Wind Speed	ESE 13 MPH
Barometer	29.5 in (998.99 mb)
Dewpoint	-20°F (-29°C)
Visibility	NA
Wind Chill	-36°F (-38°C)
Last update	18 Feb 02:00 AM MST

More Information:

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

Extended Forecast for

11 Miles SSW St Mary MT

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

Extreme Cold Warning February 18, 02:59am until February 18, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Extreme Cold Warning

Extreme Cold Warning February 18, 02:59am until February 18, 12:00pm
NOW until 12:00pm Wed
Extreme Cold Warning
Overnight
Low: -15 °F
Chance Snow
Wednesday
High: -7 °F
Chance Snow
then Snow
Likely
Wednesday Night
Low: -13 °F
Chance Snow
Thursday
High: 13 °F
Slight Chance
Snow
Thursday Night
Low: 5 °F
Slight Chance
Snow
Friday
High: 15 °F
Chance Snow
Friday Night
Low: 8 °F
Chance Snow
Saturday
High: 19 °F
Chance Snow

Detailed Forecast

Overnight

A 30 percent chance of snow after 5am. Mostly cloudy, with a low around -15. Wind chill values as low as -40. Northeast wind around 17 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Snow likely, mainly before 1pm. Mostly cloudy and cold, with a high near -7. Wind chill values as low as -40. Northeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday Night

A 30 percent chance of snow between 11pm and 3am. Mostly cloudy, with a low around -13. Wind chill values as low as -35. Northeast wind 9 to 14 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

Thursday

A 20 percent chance of snow. Mostly sunny, with a high near 13. Wind chill values as low as -20. South wind 7 to 10 mph becoming west southwest in the afternoon.

Thursday Night

A 20 percent chance of snow. Partly cloudy, with a low around 5. West southwest wind around 10 mph.

Friday

A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 15. West southwest wind 11 to 17 mph, with gusts as high as 25 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 8. West southwest wind 14 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow, mainly after 11am. Partly sunny, with a high near 19. West wind 11 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 3.

Sunday

A chance of snow. Partly sunny, with a high near 18.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 9.

Monday

Snow likely. Mostly cloudy, with a high near 28.

Monday Night

Snow. Mostly cloudy, with a low around 18.

Tuesday

Snow likely. Mostly cloudy, with a high near 25.