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.

Partly Cloudy

34°F

1°C

Humidity	81%
Wind Speed	W 17 mph
Barometer	30.11 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	23°F (-5°C)
Last update	10 Dec 2:15 am MST

More Information:

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

Extended Forecast for

3 Miles NW Central City SD

Overnight
Low: 30 °F
Chance Snow
Wednesday
High: 43 °F
Chance Snow
then
Rain/Snow
Likely
Wednesday Night
Low: 39 °F⇑
Rain Likely
then Chance
Rain
Thursday
High: 48 °F⇓
Chance Rain
then Rain
Thursday Night
Low: 20 °F
Rain/Snow
then Snow
Likely
Friday
High: 26 °F
Snow
Friday Night
Low: 15 °F
Snow Likely
Saturday
High: 25 °F
Chance Snow
Saturday Night
Low: 16 °F
Slight Chance
Snow then
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a steady temperature around 30. Wind chill values as low as 20. West wind 9 to 11 mph, with gusts as high as 32 mph.

Wednesday

Snow likely before 3pm, then rain and snow likely between 3pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 43. West wind 5 to 7 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 8pm. Mostly cloudy, with a temperature rising to around 46 by 4am. West wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Thursday

Rain, mainly after 5pm. Temperature rising to near 48 by 10am, then falling to around 39 during the remainder of the day. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Thursday Night

Rain and snow, becoming all snow after 7pm. Low around 20. Northwest wind 7 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 26. Northwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 15. Light and variable wind becoming southeast around 5 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 25. Northwest wind around 5 mph becoming calm in the afternoon.

Saturday Night

A slight chance of snow before 11pm. Partly cloudy, with a low around 16.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Partly cloudy, with a low around 33.

Monday

Sunny, with a high near 50.

Monday Night

Partly cloudy, with a low around 35.