Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

43°F

6°C

Humidity	53%
Wind Speed	Calm
Barometer	29.94 in
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	24 Nov 8:55 am MST

More Information:

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

Extended Forecast for

Lead SD

Today
High: 50 °F
Partly Sunny
then Slight
Chance Snow
Tonight
Low: 19 °F
Breezy.
Rain/Snow
Likely then
Chance Snow
Tuesday
High: 26 °F
Chance Snow
and Blustery
Tuesday Night
Low: 16 °F
Partly Cloudy
Wednesday
High: 33 °F
Partly Sunny
Wednesday Night
Low: 21 °F
Mostly Cloudy
Thanksgiving Day
High: 33 °F
Slight Chance
Snow
Thursday Night
Low: 21 °F
Chance Snow
Friday
High: 34 °F
Chance Snow

Detailed Forecast

Today

A 10 percent chance of snow after 5pm. Partly sunny, with a high near 50. Southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.

Tonight

A slight chance of snow before 8pm, then snow likely, possibly mixed with rain between 8pm and 9pm, then snow likely after 9pm. Mostly cloudy, with a low around 19. Wind chill values as low as 1. Breezy, with a west wind 8 to 13 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Tuesday

A 50 percent chance of snow. Cloudy through mid morning, then gradual clearing, with a high near 26. Wind chill values as low as 1. Blustery, with a northwest wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph. New snow accumulation of less than one inch possible.

Tuesday Night

Partly cloudy, with a low around 16. Wind chill values as low as 7. West wind 5 to 9 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 33. Calm wind becoming northwest around 5 mph.

Wednesday Night

Mostly cloudy, with a low around 21. Calm wind.

Thanksgiving Day

A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 33. Light and variable wind.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 21. Light and variable wind.

Friday

A chance of snow. Mostly cloudy, with a high near 34.