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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

48°F

9°C

Humidity	37%
Wind Speed	S 7 mph
Barometer	29.93 in
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	24 Dec 2:15 am MST

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Overnight
Low: 47 °F
Mostly Cloudy
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 49 °F⇑
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Christmas Day
High: 61 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 43 °F
Mostly Clear
Friday
High: 55 °F
Sunny
Friday Night
Low: 36 °F
Mostly Clear
and Breezy
Saturday
High: 42 °F
Slight Chance
Snow and
Breezy
Saturday Night
Low: 11 °F
Blustery.
Slight Chance
Snow then
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 47. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 56. Southwest wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

Wednesday Night

Mostly cloudy, with a temperature rising to around 55 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph.

Christmas Day

Mostly sunny, with a high near 61. Breezy, with a west wind 24 to 29 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 40 mph.

Thursday Night

Mostly clear, with a low around 43. Southwest wind 14 to 17 mph, with gusts as high as 25 mph.

Friday

Sunny, with a high near 55. West wind 14 to 18 mph, with gusts as high as 28 mph.

Friday Night

Mostly clear, with a low around 36. Breezy, with a west wind 16 to 22 mph, with gusts as high as 29 mph.

Saturday

A slight chance of snow after 11am. Increasing clouds, with a high near 42. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph.

Saturday Night

A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 11. Blustery.

Sunday

Sunny, with a high near 24. Blustery.