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

Cold Weather Advisory until February 19, 12:00 PM MST

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Overcast

-2°F

-19°C

Humidity	77%
Wind Speed	NNW 8 MPH
Barometer	29.78 in (1008.47 mb)
Dewpoint	-8°F (-22°C)
Visibility	9.00 mi
Wind Chill	-17°F (-27°C)
Last update	18 Feb 12:35 AM MST

More Information:

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

Extended Forecast for

9 Miles S Ulm MT

Cold Weather Advisory February 18, 01:00am until February 19, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory February 18, 01:00am until February 19, 12:00pm
NOW until 12:00pm Thu
Cold Weather Advisory
Overnight
Low: -5 °F
Slight Chance
Snow
Wednesday
High: 3 °F
Snow Likely
Wednesday Night
Low: -9 °F
Chance Snow
Thursday
High: 17 °F
Slight Chance
Snow then
Mostly Sunny
Thursday Night
Low: -1 °F
Partly Cloudy
Friday
High: 32 °F
Partly Sunny
Friday Night
Low: 8 °F
Partly Cloudy
Saturday
High: 31 °F
Mostly Sunny

Detailed Forecast

Overnight

A slight chance of snow between 4am and 5am. Mostly cloudy, with a low around -5. Wind chill values as low as -20. North wind around 8 mph. Chance of precipitation is 20%.

Wednesday

Snow likely, mainly between 11am and noon. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -20. North wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

A chance of snow before 1am, then a slight chance of snow after 3am. Mostly cloudy, with a low around -9. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 17. Wind chill values as low as -10. Light northeast wind.

Thursday Night

Partly cloudy, with a low around -1. Northeast wind around 5 mph becoming calm in the evening.

Friday

Partly sunny, with a high near 32. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 8. South southwest wind around 6 mph.

Saturday

Mostly sunny, with a high near 31. Light and variable wind becoming north around 6 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 6.

Sunday

Partly sunny, with a high near 26.