Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

30°F

-1°C

Humidity	51%
Wind Speed	W 16 mph
Barometer	30.23 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	19°F (-7°C)
Last update	11 Mar 9:55 am MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

Today
High: 39 °F
Sunny
Tonight
Low: 27 °F
Mostly Clear
then Partly
Cloudy and
Breezy
Thursday
High: 56 °F
Partly Sunny
and Breezy
then Chance
Rain and
Windy
Thursday Night
Low: 27 °F
Snow and
Windy
Friday
High: 40 °F
Snow
Friday Night
Low: 28 °F
Snow Likely
Saturday
High: 41 °F
Chance Snow
then Snow
Saturday Night
Low: 14 °F
Snow and
Blustery
Sunday
High: 25 °F
Snow Likely
and Blustery

Detailed Forecast

Today

Sunny, with a high near 39. Wind chill values as low as 11. West wind 15 to 18 mph, with gusts as high as 30 mph.

Tonight

Partly cloudy, with a low around 27. Wind chill values as low as 20. Breezy, with a west wind 11 to 21 mph, with gusts as high as 29 mph.

Thursday

A 50 percent chance of rain after noon. Mostly cloudy, with a high near 56. Windy, with a southwest wind 23 to 28 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 50 mph.

Thursday Night

Snow. Low around 27. Wind chill values as low as 17. Windy, with a northwest wind 28 to 38 mph decreasing to 11 to 21 mph. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 40. West wind around 11 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Snow likely. Mostly cloudy, with a low around 28. North wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Snow, mainly after noon. High near 41. Southeast wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

Saturday Night

Snow. Mostly cloudy, with a low around 14. Blustery, with a northeast wind 14 to 21 mph becoming northwest after midnight. Winds could gust as high as 37 mph.

Sunday

Snow likely. Cloudy, then gradually becoming mostly sunny, with a high near 25. Blustery.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 15.

Monday

A chance of snow. Mostly cloudy, with a high near 35.

Monday Night

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

Tuesday

A chance of rain and snow. Mostly cloudy, with a high near 58.