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	51%
Wind Speed	E 21 G 26 mph
Barometer	29.88 in
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	20°F (-7°C)
Last update	31 Mar 11:55 pm MDT

More Information:

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

Extended Forecast for

4 Miles SSW Lead SD

Tonight
Low: 30 °F
Chance
Rain/Snow
Wednesday
High: 41 °F
Rain/Snow
Wednesday Night
Low: 27 °F
Rain/Snow
then Chance
Rain/Snow
Thursday
High: 53 °F
Chance
Rain/Snow
then Rain
Thursday Night
Low: 19 °F
Rain/Snow
then Snow
Friday
High: 24 °F
Snow
Friday Night
Low: 18 °F
Snow then
Chance Snow
Saturday
High: 41 °F
Chance Snow
Saturday Night
Low: 25 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of snow before 1am, then a chance of rain and snow between 1am and 5am, then a chance of snow after 5am. Mostly cloudy, with a steady temperature around 30. Wind chill values as low as 20. South wind around 9 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

Rain and snow before 4pm, then rain likely between 4pm and 5pm, then rain and snow likely after 5pm. High near 41. Wind chill values as low as 19. South wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow before 8pm, then snow between 8pm and 1am, then a chance of rain and snow after 1am. Low around 27. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

A chance of rain and snow before 9am, then rain. High near 53. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

Snow, possibly mixed with rain, becoming all snow after 9pm. Low around 19. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. Steady temperature around 24. Southwest wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow, mainly before midnight. Low around 18. Northwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Saturday

A chance of snow, mainly before noon. Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 30 mph.

Saturday Night

Mostly clear, with a low around 25.

Sunday

Sunny, with a high near 54.

Sunday Night

Partly cloudy, with a low around 30.

Monday

A slight chance of rain and snow. Mostly sunny, with a high near 52.