Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

37°F

3°C

Humidity	56%
Wind Speed	NE 13 mph
Barometer	29.78 in
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	9 Mar 7:15 pm MDT

More Information:

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

Extended Forecast for

Lead SD

Tonight
Low: 23 °F⇑
Mostly Cloudy
Tuesday
High: 34 °F
Chance Snow
then Snow
Tuesday Night
Low: 19 °F
Snow then
Chance Snow
Wednesday
High: 35 °F
Sunny
Wednesday Night
Low: 26 °F
Partly Cloudy
Thursday
High: 51 °F
Partly Sunny
then Chance
Rain/Snow
Thursday Night
Low: 28 °F
Rain/Snow and
Blustery then
Snow Likely
Friday
High: 48 °F
Snow Likely
Friday Night
Low: 31 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, with a temperature rising to around 29 by 8pm. Wind chill values as low as 14. North wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Tuesday

Snow, mainly after noon. High near 34. Wind chill values as low as 19. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Tuesday Night

Snow, mainly before midnight. Low around 19. Wind chill values as low as 10. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Sunny, with a high near 35. Wind chill values as low as 9. West wind 8 to 11 mph, with gusts as high as 30 mph.

Wednesday Night

Partly cloudy, with a low around 26. Southwest wind 8 to 11 mph, with gusts as high as 28 mph.

Thursday

A chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 51. West wind 11 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday Night

Rain and snow, becoming all snow after midnight. Low around 28. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 80%.

Friday

Snow likely, mainly before noon. Mostly cloudy, with a high near 48. West wind 7 to 9 mph, with gusts as high as 25 mph.

Friday Night

A chance of snow. Mostly cloudy, with a low around 31.

Saturday

A chance of snow before noon, then rain and snow likely. Mostly cloudy, with a high near 50.

Saturday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 16.

Sunday

Snow likely. Mostly cloudy, with a high near 28.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 18.