Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Cold Weather Advisory until December 27, 10:00 PM MST

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Partly Cloudy

0°F

-18°C

Humidity	70%
Wind Speed	W 12 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	-8°F (-22°C)
Visibility	10.00 mi
Wind Chill	-17°F (-27°C)
Last update	27 Dec 07:05 PM MST

More Information:

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

Extended Forecast for

Great Falls International Airport MT

Cold Weather Advisory December 27, 07:22pm until December 27, 10:00pm

Click here for hazard details and duration

...

Cold Weather Advisory December 27, 07:22pm until December 27, 10:00pm
NOW until 10:00pm Sat
Cold Weather Advisory
Tonight
Low: -6 °F
Mostly Clear
Sunday
High: 26 °F
Sunny
Sunday Night
Low: 18 °F⇑
Mostly Clear
Monday
High: 39 °F
Mostly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy
Tuesday
High: 45 °F
Partly Sunny
Tuesday Night
Low: 31 °F
Mostly Cloudy
Wednesday
High: 48 °F
Partly Sunny

Detailed Forecast

Tonight

Mostly clear, with a low around -6. Wind chill values as low as -25. West northwest wind 5 to 9 mph becoming south southwest after midnight.

Sunday

Sunny, with a high near 26. Wind chill values as low as -15. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

Sunday Night

Mostly clear, with a temperature falling to near 18 by 8pm, then rising to around 24 during the remainder of the night. South southwest wind around 15 mph, with gusts as high as 23 mph.

Monday

Mostly sunny, with a high near 39. Southwest wind around 17 mph, with gusts as high as 28 mph.

Monday Night

Mostly cloudy, with a low around 25. Southwest wind around 14 mph, with gusts as high as 21 mph.

Tuesday

Partly sunny, with a high near 45. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.

Tuesday Night

Mostly cloudy, with a low around 31. Southwest wind around 14 mph, with gusts as high as 21 mph.

Wednesday

Partly sunny, with a high near 48. Southwest wind around 14 mph, with gusts as high as 22 mph.

Wednesday Night

Mostly cloudy, with a low around 29.