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 Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

41°F

5°C

Humidity	52%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	26 Dec 01:45 AM MST

More Information:

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

Extended Forecast for

9 Miles ENE Lewistown MT

Overnight
Low: 37 °F
Slight Chance
Rain/Snow
Friday
High: 46 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 12 °F
Increasing
Clouds
Saturday
High: 23 °F
Snow Likely
and Blustery
Saturday Night
Low: -5 °F
Mostly Cloudy
and Blustery
then Partly
Cloudy
Sunday
High: 18 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Partly Cloudy
Monday
High: 36 °F
Mostly Sunny
Monday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Overnight

A slight chance of rain and snow showers between 3am and 4am. Partly cloudy, with a low around 37. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

Friday

Mostly sunny, with a high near 46. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 32 mph.

Friday Night

Increasing clouds, with a low around 12. West southwest wind 13 to 20 mph, with gusts as high as 28 mph.

Saturday

Snow likely. Mostly cloudy, with a high near 23. Wind chill values as low as -25. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday Night

Mostly cloudy, with a low around -5. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 37 mph.

Sunday

Mostly sunny, with a high near 18. West wind 5 to 11 mph.

Sunday Night

Partly cloudy, with a low around 14. Calm wind becoming west southwest 5 to 9 mph in the evening.

Monday

Mostly sunny, with a high near 36. West southwest wind around 10 mph, with gusts as high as 18 mph.

Monday Night

Mostly cloudy, with a low around 28.

Tuesday

Partly sunny, with a high near 40.