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 >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

50°F

10°C

Humidity	36%
Wind Speed	W 6 mph
Barometer	29.91 in (1012.7 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	24 Dec 12:52 am MST

More Information:

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

Extended Forecast for

8 Miles SW Blackhawk SD

Overnight
Low: 43 °F
Mostly Cloudy
Wednesday
High: 67 °F
Mostly Sunny
Wednesday Night
Low: 45 °F⇑
Mostly Cloudy
Christmas Day
High: 67 °F
Partly Sunny
and Breezy
then Mostly
Sunny
Thursday Night
Low: 39 °F
Mostly Clear
Friday
High: 59 °F
Sunny
Friday Night
Low: 30 °F
Mostly Clear
Saturday
High: 44 °F
Slight Chance
Snow
Saturday Night
Low: 9 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 43. West wind around 6 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 67. West wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Mostly cloudy, with a temperature rising to around 50 by 5am. Light southwest wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph.

Christmas Day

Mostly sunny, with a high near 67. Breezy, with a west wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 40 mph.

Thursday Night

Mostly clear, with a low around 39. West wind around 6 mph, with gusts as high as 25 mph.

Friday

Sunny, with a high near 59. West wind 8 to 13 mph, with gusts as high as 36 mph.

Friday Night

Mostly clear, with a low around 30. West wind around 7 mph, with gusts as high as 28 mph.

Saturday

A slight chance of snow after 11am. Mostly sunny, with a high near 44. Northwest wind 8 to 13 mph, with gusts as high as 34 mph.

Saturday Night

Mostly clear, with a low around 9.

Sunday

Mostly sunny, with a high near 30.