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.

Light Drizzle

36°F

2°C

Humidity	100%
Wind Speed	N 15 G 22 mph
Barometer	30.07 in
Dewpoint	36°F (2°C)
Visibility	3.00 mi
Wind Chill	27°F (-3°C)
Last update	30 Mar 11:15 pm MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

Tonight
Low: 22 °F
Snow Likely
Tuesday
High: 33 °F
Snow Likely
Tuesday Night
Low: 25 °F
Snow Likely
Wednesday
High: 37 °F
Snow
Wednesday Night
Low: 27 °F
Snow Likely
Thursday
High: 49 °F
Chance
Rain/Snow
then Rain
Thursday Night
Low: 23 °F
Rain/Snow
then Snow
Friday
High: 28 °F
Heavy Snow
Friday Night
Low: 19 °F
Snow

Detailed Forecast

Tonight

Snow likely, mainly between midnight and 4am. Cloudy, with a low around 22. Wind chill values as low as 13. North wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Snow likely, mainly after 3pm. Mostly cloudy, with a high near 33. Wind chill values as low as 13. Northwest wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow likely. Mostly cloudy, with a low around 25. Wind chill values as low as 13. Southeast wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday

Snow. High near 37. Wind chill values as low as 14. South wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 27. Southeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday

A chance of snow before 11am, then a chance of rain and snow between 11am and noon, then rain after noon. High near 49. South wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

Rain before 7pm, then rain and snow between 7pm and 9pm, then snow after 9pm. Low around 23. Southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.

Friday

Snow. The snow could be heavy at times. Mostly cloudy, with a high near 28. Southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

Friday Night

Snow. Mostly cloudy, with a low around 19.

Saturday

A chance of snow. Mostly sunny, with a high near 37.

Saturday Night

A slight chance of snow. Partly cloudy, with a low around 25.

Sunday

A slight chance of snow. Sunny, with a high near 46.

Sunday Night

A slight chance of snow. Partly cloudy, with a low around 28.

Monday

A slight chance of snow. Partly sunny, with a high near 44.