Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast and Windy

32°F

0°C

Humidity	75%
Wind Speed	NW 29 G 41 mph
Barometer	29.97 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	18°F (-8°C)
Last update	25 Nov 1:35 am MST

More Information:

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

Extended Forecast for

Lead SD

Overnight
Low: 20 °F
Chance Snow
and Blustery
Tuesday
High: 26 °F
Chance Snow
and Patchy
Blowing Snow
then Sunny
Tuesday Night
Low: 15 °F
Partly Cloudy
Wednesday
High: 33 °F
Mostly Cloudy
Wednesday Night
Low: 21 °F
Mostly Cloudy
Thanksgiving Day
High: 36 °F
Partly Sunny
Thursday Night
Low: 21 °F
Chance Snow
Friday
High: 32 °F
Snow Likely
Friday Night
Low: 15 °F
Snow Likely

Detailed Forecast

Overnight

A 40 percent chance of snow. Mostly cloudy, with a low around 20. Wind chill values as low as 3. Blustery, with a west wind 17 to 22 mph increasing to 23 to 28 mph. Winds could gust as high as 47 mph. Total nighttime snow accumulation of less than one inch possible.

Tuesday

A 50 percent chance of snow, mainly before 10am. Patchy blowing snow before 10am. Cloudy through mid morning, then gradual clearing, with a high near 26. Wind chill values as low as 2. Blustery, with a northwest wind 19 to 24 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 41 mph. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Partly cloudy, with a low around 15. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

Wednesday

Mostly cloudy, with a high near 33. Wind chill values as low as 18. Calm wind becoming northwest around 5 mph.

Wednesday Night

Mostly cloudy, with a low around 21. Light west wind.

Thanksgiving Day

Partly sunny, with a high near 36. Calm wind becoming northeast around 5 mph.

Thursday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Light south wind.

Friday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph.