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

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

34°F

1°C

Humidity	81%
Wind Speed	W 15 G 24 mph
Barometer	30.09 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	10 Dec 1:35 am MST

More Information:

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

Extended Forecast for

8 Miles W Central City SD

Overnight
Low: 22 °F
Chance Snow
Wednesday
High: 42 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 36 °F⇑
Rain Likely
Thursday
High: 49 °F
Chance
Rain/Snow
then Rain
Thursday Night
Low: 16 °F
Rain/Snow
then Snow
Friday
High: 24 °F
Snow
Friday Night
Low: 7 °F
Snow Likely
Saturday
High: 23 °F
Chance Snow
Saturday Night
Low: 11 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 22. Wind chill values as low as 15. North wind 6 to 8 mph becoming west. Winds could gust as high as 28 mph.

Wednesday

Snow likely, possibly mixed with rain before 3pm, then snow likely between 3pm and 4pm, then rain likely after 4pm. Cloudy, with a high near 42. Wind chill values as low as 16. Calm wind becoming southwest around 6 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain likely, mainly before 11pm. Cloudy, with a temperature rising to around 40 by 4am. West wind around 8 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

Thursday

A chance of rain and snow before 9am, then rain. High near 49. West wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday Night

Rain and snow, becoming all snow after 7pm. Low around 16. Northwest wind 3 to 8 mph. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 24. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 7. Calm wind. Chance of precipitation is 70%.

Saturday

A chance of snow, mainly before 11am. Partly sunny, with a high near 23. Calm wind becoming northwest around 5 mph.

Saturday Night

Partly cloudy, with a low around 11.

Sunday

Mostly sunny, with a high near 45.

Sunday Night

Partly cloudy, with a low around 27.