Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair and Breezy

32°F

0°C

Humidity	47%
Wind Speed	E 21 mph
Barometer	29.90 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	20°F (-7°C)
Last update	31 Mar 11:35 pm MDT

More Information:

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

Extended Forecast for

Spearfish SD

Tonight
Low: 32 °F
Chance
Rain/Snow
Wednesday
High: 44 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 32 °F
Rain/Snow
Likely
Thursday
High: 54 °F
Chance Rain
then Rain
Likely
Thursday Night
Low: 27 °F
Rain/Snow
Friday
High: 30 °F
Snow
Friday Night
Low: 25 °F
Snow then
Chance Snow
Saturday
High: 46 °F
Chance Snow
then Slight
Chance
Rain/Snow
Saturday Night
Low: 31 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 32. East wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

A chance of snow before 10am, then a chance of rain and snow between 10am and 11am, then rain likely after 11am. Mostly cloudy, with a high near 44. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow likely before 3am, then a chance of rain. Mostly cloudy, with a low around 32. East wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday

Rain likely, mainly after noon. Partly sunny, with a high near 54. Light east wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

Thursday Night

Snow, possibly mixed with rain, becoming all snow after 4am. Low around 27. East wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Friday

Snow. Steady temperature around 30. East wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

Friday Night

Snow, mainly before midnight. Low around 25. West wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Saturday

A chance of snow before noon, then a slight chance of rain and snow. Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 31.

Sunday

Sunny, with a high near 60.

Sunday Night

Partly cloudy, with a low around 37.

Monday

A slight chance of rain. Partly sunny, with a high near 57.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 34.

Tuesday

Partly sunny, with a high near 60.