Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Winter Storm Warning until October 12, 06:00 AM MDT

Current conditions at

Malmstrom Air Force Base (KGFA)

Lat: 47.5°NLon: 111.18333°WElev: 3527.0ft.

light snow

34°F

1°C

Humidity	93%
Wind Speed	N 17 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	32°F (0°C)
Visibility	0.88 mi
Wind Chill	23°F (-5°C)
Last update	11 Oct 01:55 PM MDT

More Information:

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

Extended Forecast for

4 Miles SE Great Falls MT

Winter Storm Warning October 11, 03:06pm until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 03:06pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
This Afternoon
High: 33 °F
Snow
Tonight
Low: 25 °F
Snow
Columbus Day
High: 35 °F
Chance Snow
then Mostly
Cloudy
Monday Night
Low: 18 °F
Mostly Cloudy
Tuesday
High: 41 °F
Sunny
Tuesday Night
Low: 24 °F
Mostly Clear
Wednesday
High: 50 °F
Sunny
Wednesday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow. High near 33. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Snow, mainly before 5am. Low around 25. North northeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Columbus Day

A 40 percent chance of snow, mainly before 7am. Cloudy, with a high near 35. North wind around 6 mph becoming south southwest in the afternoon. New snow accumulation of less than a half inch possible.

Monday Night

Mostly cloudy, with a low around 18. Southwest wind 3 to 6 mph.

Tuesday

Sunny, with a high near 41. Southwest wind 5 to 8 mph.

Tuesday Night

Mostly clear, with a low around 24. Calm wind becoming south southwest 5 to 7 mph in the evening.

Wednesday

Sunny, with a high near 50. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.

Wednesday Night

Partly cloudy, with a low around 30. Southwest wind 7 to 9 mph.

Thursday

Sunny, with a high near 52.