Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Malmstrom Air Force Base (KGFA)

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

Mostly Cloudy

39°F

4°C

Humidity	72%
Wind Speed	SSW 8 MPH
Barometer	29.65 in (1004.06 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	26 Dec 02:55 AM MST

More Information:

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

Extended Forecast for

Great Falls MT

Overnight
Low: 42 °F
Mostly Cloudy
Friday
High: 53 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 7 °F
Mostly Clear
then Snow
Likely
Saturday
High: 18 °F
Snow then
Chance Snow
Saturday Night
Low: -3 °F
Partly Cloudy
Sunday
High: 29 °F
Mostly Sunny
Sunday Night
Low: 19 °F
Mostly Clear
Monday
High: 42 °F
Mostly Sunny
Monday Night
Low: 29 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 42. South southwest wind around 11 mph.

Friday

Mostly sunny, with a high near 53. Breezy, with a south southwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

Friday Night

Snow likely, mainly after 5am. Increasing clouds, with a low around 7. Southwest wind 14 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Snow, mainly before 4pm. High near 18. Wind chill values as low as -15. North northwest wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around -3. West northwest wind 5 to 10 mph becoming light and variable after midnight.

Sunday

Mostly sunny, with a high near 29. Calm wind becoming southwest 5 to 9 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 19. Southwest wind around 10 mph.

Monday

Mostly sunny, with a high near 42. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

Monday Night

Mostly cloudy, with a low around 29.

Tuesday

Mostly cloudy, with a high near 47.