Arctic Air Spreads South and East from Rockies Friday through Next Week

Arctic air is plunging across the Rockies and Great Plains and will reach the Deep South and Great Lakes Saturday night, and the Eastern Seaboard by Sunday night, bringing dangerously cold wind chill temperatures. Snow and heavy winds could produce blizzard conditions in the Northern Plains Friday. There is a wintry mix expected in the Midwest/Northeast and rain for the Southeast into Saturday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 18, 03:00 PM MST

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Overcast

11°F

-12°C

Humidity	100%
Wind Speed	WNW 4 MPH
Barometer	30.28 in (1025.4 mb)
Dewpoint	11°F (-12°C)
Visibility	10.00 mi
Wind Chill	4°F (-16°C)
Last update	17 Jan 06:21 PM MST

More Information:

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

Extended Forecast for

Great Falls MT

Winter Weather Advisory January 17, 06:31pm until January 18, 03:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 17, 06:31pm until January 18, 03:00pm
NOW until 3:00pm Sat
Winter Weather Advisory
Tonight
Low: 0 °F
Slight Chance
Snow then
Snow Likely
Saturday
High: 6 °F⇓
Snow Likely
then Partly
Sunny
Saturday Night
Low: -14 °F
Partly Cloudy
Sunday
High: 3 °F
Cold
Sunday Night
Low: -20 °F
Partly Cloudy
M.L.King Day
High: 12 °F
Sunny
Monday Night
Low: 10 °F
Mostly Cloudy
Tuesday
High: 35 °F
Partly Sunny

Detailed Forecast

Tonight

Snow likely, mainly after 5am. Mostly cloudy, with a low around 0. Wind chill values as low as -10. Light and variable wind becoming northwest 6 to 11 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around -3 by 5pm. Wind chill values as low as -15. North northwest wind 7 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around -14. Light south southwest wind.

Sunday

Partly sunny and cold, with a high near 3. Wind chill values as low as -15. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around -20. North wind 5 to 8 mph becoming calm in the evening.

M.L.King Day

Sunny, with a high near 12. Light southwest wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

Monday Night

Mostly cloudy, with a low around 10. South southwest wind around 14 mph, with gusts as high as 24 mph.

Tuesday

Partly sunny, with a high near 35. Southwest wind around 15 mph, with gusts as high as 26 mph.

Tuesday Night

A slight chance of snow after 11pm. Mostly cloudy, with a low around 10.

Wednesday

Partly sunny, with a high near 30.