Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

32°F

0°C

Humidity	87%
Wind Speed	W 10 mph
Barometer	30.12 in
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	31 Mar 3:55 am MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Overnight
Low: 27 °F
Slight Chance
Snow
Tuesday
High: 37 °F
Chance Snow
Tuesday Night
Low: 29 °F
Snow Likely
and Breezy
Wednesday
High: 38 °F
Snow and
Breezy
Wednesday Night
Low: 31 °F
Snow Likely
Thursday
High: 49 °F
Chance
Rain/Snow
then Rain
Likely
Thursday Night
Low: 30 °F
Rain/Snow
then Snow
Friday
High: 34 °F
Snow and
Breezy
Friday Night
Low: 26 °F
Snow

Detailed Forecast

Overnight

A 20 percent chance of snow. Mostly cloudy, with a low around 27. Wind chill values as low as 15. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.

Tuesday

A 50 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 37. Wind chill values as low as 16. Northwest wind 9 to 18 mph becoming southeast in the afternoon. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 29. Wind chill values as low as 16. Breezy, with a southeast wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday

Snow. High near 38. Wind chill values as low as 16. Breezy, with a southeast wind 16 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 31. Southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday

A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Partly sunny, with a high near 49. Southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

Rain before 9pm, then rain and snow between 9pm and 11pm, then snow after 11pm. Low around 30. Southeast wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

Friday

Snow. Mostly cloudy, with a high near 34. Breezy, with a southeast wind 16 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph.

Friday Night

Snow. Mostly cloudy, with a low around 26.

Saturday

A chance of snow, mainly before noon. Mostly sunny, with a high near 42.

Saturday Night

Partly cloudy, with a low around 30.

Sunday

Sunny, with a high near 52.

Sunday Night

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

Monday

A slight chance of rain and snow. Partly sunny, with a high near 48.