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

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Clear

54°F

12°C

Humidity	43%
Wind Speed	WSW 12 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	25 Dec 11:20 AM MST

More Information:

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

Extended Forecast for

5 Miles ENE Moore MT

Christmas Day
High: 53 °F
Mostly Sunny
Tonight
Low: 35 °F
Partly Cloudy
Friday
High: 50 °F
Mostly Sunny
and Breezy
Friday Night
Low: 14 °F
Slight Chance
Snow
Saturday
High: 32 °F
Chance Snow
Saturday Night
Low: 0 °F
Partly Cloudy
Sunday
High: 28 °F
Sunny
Sunday Night
Low: 16 °F
Partly Cloudy
Monday
High: 45 °F
Mostly Sunny

Detailed Forecast

Christmas Day

Mostly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

Tonight

Partly cloudy, with a low around 35. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

Friday

Mostly sunny, with a high near 50. Breezy, with a southwest wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.

Friday Night

A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 14. Southwest wind around 14 mph, with gusts as high as 23 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 13 to 18 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 0. West wind 6 to 14 mph, with gusts as high as 23 mph.

Sunday

Sunny, with a high near 28. West southwest wind 3 to 5 mph.

Sunday Night

Partly cloudy, with a low around 16. South southwest wind 3 to 8 mph.

Monday

Mostly sunny, with a high near 45.

Monday Night

Mostly cloudy, with a low around 28.

Tuesday

Partly sunny, with a high near 48.