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 >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fog/Mist

28°F

-2°C

Humidity	100%
Wind Speed	E 6 mph
Barometer	30.10 in
Dewpoint	28°F (-2°C)
Visibility	5.00 mi
Wind Chill	21°F (-6°C)
Last update	24 Dec 11:35 pm CST

More Information:

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

Extended Forecast for

2 Miles SW Lower Brule SD

Dense Fog Advisory until December 25, 10:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until December 25, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Tonight
Low: 28 °F
Areas Dense
Freezing Fog
and Patchy
Dense Fog
Christmas Day
High: 54 °F
Areas Dense
Freezing Fog
and Areas
Dense Fog
Thursday Night
Low: 30 °F
Partly Cloudy
Friday
High: 50 °F
Mostly Sunny
Friday Night
Low: 34 °F
Partly Cloudy
Saturday
High: 53 °F
Mostly Sunny
Saturday Night
Low: 12 °F
Blustery.
Mostly Cloudy
then Slight
Chance Snow
Sunday
High: 19 °F
Mostly Sunny
and Windy

Detailed Forecast

Tonight

Patchy dense fog before 1am. Areas of dense freezing fog after 1am. Otherwise, mostly cloudy, with a low around 28. East southeast wind 14 to 16 mph.

Christmas Day

Areas of dense fog between 8am and 9am. Areas of dense freezing fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 54. Southeast wind 11 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

Thursday Night

Partly cloudy, with a low around 30. West northwest wind 8 to 11 mph.

Friday

Mostly sunny, with a high near 50. West wind 5 to 10 mph becoming south southeast in the afternoon.

Friday Night

Partly cloudy, with a low around 34. South southeast wind 9 to 11 mph becoming southwest after midnight.

Saturday

Mostly sunny, with a high near 53. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

Saturday Night

A slight chance of snow after midnight. Mostly cloudy, with a low around 12. Blustery, with a north northwest wind 16 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 19. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 41 mph.

Sunday Night

Mostly clear, with a low around 5. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 31 mph.

Monday

Sunny, with a high near 25.

Monday Night

Mostly cloudy, with a low around 14.

Tuesday

Mostly sunny, with a high near 41.

Tuesday Night

Mostly cloudy, with a low around 16.