Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

High Wind Watch in effect from December 9, 08:00 AM MST until December 9, 11:00 PM MST

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity	45%
Wind Speed	SW 15 G 24 mph
Barometer	29.95 in
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Wind Chill	31°F (-1°C)
Last update	7 Dec 11:15 pm MST

More Information:

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

Extended Forecast for

3 Miles WNW Whitewood SD

High Wind Watch December 9, 08:00am until December 9, 11:00pm

Click here for hazard details and duration

High Wind Watch

Tonight
Low: 33 °F⇑
Mostly Cloudy
Monday
High: 43 °F
Mostly Sunny
and Breezy
Monday Night
Low: 36 °F⇑
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Tuesday
High: 50 °F⇓
Windy. Chance
Rain then
Chance
Rain/Snow
Tuesday Night
Low: 30 °F
Chance Snow
and Blustery
Wednesday
High: 39 °F
Snow then
Rain/Snow
Wednesday Night
Low: 23 °F
Rain then
Rain/Snow
Likely and
Blustery
Thursday
High: 29 °F
Chance Snow
Thursday Night
Low: 6 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, with a temperature rising to around 37 by 5am. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

Monday

Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.

Monday Night

Mostly cloudy, with a temperature falling to near 36 by 9pm, then rising to around 45 during the remainder of the night. Breezy, with a west wind 16 to 26 mph, with gusts as high as 37 mph.

Tuesday

A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a temperature rising to near 50 by 10am, then falling to around 39 during the remainder of the day. Windy, with a west wind 29 to 36 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tuesday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 16 to 25 mph, with gusts as high as 39 mph.

Wednesday

Snow before noon, then rain and snow between noon and 2pm, then rain after 2pm. High near 39. Southwest wind 13 to 15 mph becoming south in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain before midnight, then rain and snow likely between midnight and 3am, then snow likely after 3am. Low around 23. Blustery, with a west wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Thursday

A chance of snow. Mostly cloudy, with a high near 29. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 6.

Friday

A chance of snow. Mostly cloudy, with a high near 15.

Friday Night

A chance of snow. Mostly cloudy, with a low around 6.

Saturday

A slight chance of snow. Partly sunny, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 16.