Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

23°F

-5°C

Humidity	85%
Wind Speed	ESE 5 MPH
Barometer	29.84 in (1010.5 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	17°F (-8°C)
Last update	24 Dec 01:20 AM MST

More Information:

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

Extended Forecast for

Great Falls MT

Overnight
Low: 19 °F
Patchy Fog
Wednesday
High: 32 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 25 °F
Wintry Mix
Likely
Christmas Day
High: 45 °F
Chance
Rain/Freezing
Rain then
Partly Sunny
Thursday Night
Low: 34 °F
Mostly Cloudy
Friday
High: 50 °F
Partly Sunny
Friday Night
Low: 8 °F
Chance Snow
Saturday
High: 17 °F
Slight Chance
Snow then
Partly Sunny
Saturday Night
Low: 6 °F
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 19. Light east northeast wind.

Wednesday

Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 32. Northeast wind 3 to 7 mph.

Wednesday Night

Rain, snow, and freezing rain likely before 1am, then a chance of rain and snow between 1am and 5am, then a chance of rain, snow, and freezing rain after 5am. Mostly cloudy, with a steady temperature around 25. Northeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.

Christmas Day

A chance of freezing rain before 8am, then a chance of rain between 8am and 11am. Partly sunny, with a high near 45. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 30%.

Thursday Night

Mostly cloudy, with a low around 34. South southwest wind 7 to 9 mph.

Friday

Partly sunny, with a high near 50. South southwest wind 10 to 18 mph, with gusts as high as 31 mph.

Friday Night

A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 8. Southwest wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Little or no snow accumulation expected.

Saturday

A slight chance of snow before 11am. Mostly cloudy, with a high near 17. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

Saturday Night

Partly cloudy, with a low around 6.

Sunday

Partly sunny, with a high near 36.

Sunday Night

Partly cloudy, with a low around 24.

Monday

Partly sunny, with a high near 47.

Monday Night

Mostly cloudy, with a low around 32.