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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

48°F

9°C

Humidity	30%
Wind Speed	SW 6 mph
Barometer	30.01 in (1012.9 mb)
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	24 Dec 3:53 am MST

More Information:

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

Extended Forecast for

6 Miles NNW Keystone SD

Today
High: 62 °F
Mostly Sunny
Tonight
Low: 48 °F⇑
Mostly Cloudy
Christmas Day
High: 62 °F
Mostly Sunny
and Breezy
then Mostly
Sunny
Thursday Night
Low: 41 °F
Mostly Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 33 °F
Mostly Clear
Saturday
High: 44 °F
Sunny
Saturday Night
Low: 10 °F
Slight Chance
Snow then
Mostly Clear
Sunday
High: 29 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 62. West wind 3 to 6 mph. Winds could gust as high as 22 mph.

Tonight

Mostly cloudy, with a temperature rising to around 52 by 3am. Light southwest wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 16 mph.

Christmas Day

Mostly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 28 mph.

Thursday Night

Mostly clear, with a low around 41. West wind around 8 mph, with gusts as high as 28 mph.

Friday

Sunny, with a high near 56. West wind 7 to 11 mph, with gusts as high as 33 mph.

Friday Night

Mostly clear, with a low around 33. West wind around 7 mph, with gusts as high as 26 mph.

Saturday

Sunny, with a high near 44. West wind 7 to 9 mph, with gusts as high as 29 mph.

Saturday Night

A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Northwest wind around 7 mph, with gusts as high as 26 mph.

Sunday

Sunny, with a high near 29.

Sunday Night

Partly cloudy, with a low around 14.

Monday

Sunny, with a high near 43.

Monday Night

Partly cloudy, with a low around 25.

Tuesday

Partly sunny, with a high near 50.