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

CW1334 Chester (C1334)

Lat: 48.51253°NLon: 110.96415°WElev: 3129.0ft.

36°F

2°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	34°F (1°C)
Visibility	NA
Last update	25 Dec 02:45 PM MST

More Information:

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

Extended Forecast for

Chester MT

Tonight
Low: 23 °F
Slight Chance
Rain/Freezing
Rain and
Patchy Fog
Friday
High: 39 °F
Slight Chance
Rain/Snow and
Patchy Fog
Friday Night
Low: -1 °F
Slight Chance
Snow
Saturday
High: 10 °F
Snow Likely
Saturday Night
Low: -10 °F
Partly Cloudy
Sunday
High: 16 °F
Mostly Sunny
Sunday Night
Low: 5 °F
Partly Cloudy
Monday
High: 32 °F
Partly Sunny
Monday Night
Low: 19 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight chance of rain before midnight, then a slight chance of freezing rain between midnight and 1am. Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 23. Light and variable wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 20%.

Friday

A slight chance of rain, mixing with snow after 3pm, then gradually ending. Patchy fog before 11am. Otherwise, partly sunny, with a high near 39. South wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Friday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around -1. West southwest wind 7 to 9 mph becoming north northwest in the evening.

Saturday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 10. Wind chill values as low as -20. North northwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around -10. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

Sunday

Mostly sunny, with a high near 16. Calm wind becoming southwest around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 5. West southwest wind 3 to 6 mph.

Monday

Partly sunny, with a high near 32. West wind 6 to 10 mph.

Monday Night

Mostly cloudy, with a low around 19.

Tuesday

Partly sunny, with a high near 38.