Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds and Breezy

54°F

12°C

Humidity	41%
Wind Speed	W 22 G 32 mph
Barometer	29.50 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	9 Dec 10:55 am MST

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Today
High: 45 °F⇓
Rain/Snow
Likely and
Breezy
Tonight
Low: 22 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Wednesday
High: 40 °F
Snow then
Rain/Snow
Wednesday Night
Low: 31 °F
Rain then
Rain/Snow
Likely
Thursday
High: 41 °F⇓
Rain/Snow
Likely
Thursday Night
Low: 9 °F
Snow
Friday
High: 19 °F
Snow
Friday Night
Low: 8 °F
Snow Likely
Saturday
High: 21 °F
Chance Snow

Detailed Forecast

Today

Rain likely before 2pm, then a chance of rain and snow between 2pm and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a temperature falling to around 28 by 5pm. Wind chill values as low as 15. Breezy, with a west wind 17 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Partly cloudy, with a low around 22. Wind chill values as low as 9. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.

Wednesday

Snow before 4pm, then rain, possibly mixed with snow. High near 40. Wind chill values as low as 14. Southwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Wednesday Night

Rain before 3am, then rain likely, possibly mixed with snow. Low around 31. West wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow likely, becoming all snow after 4pm. Mostly cloudy, with a temperature rising to near 41 by 11am, then falling to around 32 during the remainder of the day. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 9. Northwest wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. High near 19. Northwest wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%.

Friday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 8. South wind around 6 mph becoming northwest after midnight. Winds could gust as high as 16 mph.

Saturday

A chance of snow, mainly before 11am. Partly sunny, with a high near 21.

Saturday Night

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

Sunday

Mostly sunny, with a high near 39.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Mostly sunny, with a high near 39.