Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast and Breezy

37°F

3°C

Humidity	60%
Wind Speed	NW 22 G 36 mph
Barometer	29.93 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	26°F (-3°C)
Last update	9 Dec 6:55 pm MST

More Information:

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

Extended Forecast for

North Spearfish SD

High Wind Warning December 9, 07:12pm until December 10, 02:00am

Click here for hazard details and duration

High Wind Warning

High Wind Warning December 9, 07:12pm until December 10, 02:00am
NOW until 2:00am Wed
High Wind Warning
Tonight
Low: 28 °F
Breezy.
Slight Chance
Snow then
Increasing
Clouds
Wednesday
High: 47 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 39 °F⇑
Rain Likely
Thursday
High: 54 °F⇓
Chance Rain
then Rain
Thursday Night
Low: 18 °F
Rain/Snow
then Snow
Likely
Friday
High: 24 °F
Snow
Friday Night
Low: 7 °F
Snow Likely
Saturday
High: 21 °F
Chance Snow

Detailed Forecast

Tonight

A 20 percent chance of snow before 10pm. Increasing clouds, with a low around 28. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.

Wednesday

Rain and snow likely, becoming all rain after 3pm. Cloudy, with a high near 47. Southwest wind 6 to 10 mph becoming east in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 11pm. Cloudy, with a temperature falling to near 39 by 11pm, then rising to around 48 during the remainder of the night. West wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Thursday

Rain, mainly after 5pm. Temperature rising to near 54 by 11am, then falling to around 45 during the remainder of the day. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

Thursday Night

Rain before 9pm, then snow. Low around 18. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 24. Northwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow likely. Cloudy, with a low around 7. East wind around 6 mph. Chance of precipitation is 70%.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 21. North wind around 6 mph.

Saturday Night

Mostly cloudy, with a low around 9.

Sunday

Mostly sunny, with a high near 45.

Sunday Night

Partly cloudy, with a low around 27.

Monday

Mostly sunny, with a high near 48.