Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

30°F

-1°C

Humidity	80%
Wind Speed	Calm
Barometer	30.03 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	10 Dec 7:15 am MST

More Information:

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

Extended Forecast for

4 Miles SW North Spearfish SD

Today
High: 41 °F
Chance Snow
then
Rain/Snow
Likely
Tonight
Low: 40 °F⇑
Rain Likely
then Chance
Rain and
Breezy
Thursday
High: 48 °F⇓
Chance Rain
and Breezy
then Rain
Thursday Night
Low: 20 °F
Rain/Snow and
Blustery then
Snow Likely
Friday
High: 23 °F⇓
Snow
Friday Night
Low: 15 °F
Snow Likely
Saturday
High: 22 °F
Chance Snow
then Slight
Chance Snow
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 45 °F
Mostly Sunny

Detailed Forecast

Today

A chance of snow before 2pm, then rain likely, possibly mixed with snow between 2pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 41. Wind chill values as low as 20. Southwest wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Tonight

Rain likely, mainly before 8pm. Mostly cloudy, with a temperature rising to around 47 by 2am. Breezy, with a west wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday

Rain, mainly after 5pm. Temperature rising to near 48 by 11am, then falling to around 39 during the remainder of the day. Breezy, with a west wind 15 to 20 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. Blustery, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. Temperature falling to around 19 by 3pm. Northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 15. East wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 22. Northwest wind around 5 mph becoming light and variable.

Saturday Night

Partly cloudy, with a low around 16. Southeast wind 5 to 8 mph becoming south after midnight.

Sunday

Mostly sunny, with a high near 45.

Sunday Night

Partly cloudy, with a low around 33.

Monday

Sunny, with a high near 47.

Monday Night

Partly cloudy, with a low around 35.