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

25°F

-4°C

Humidity	69%
Wind Speed	W 12 mph
Barometer	30.22 in
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	14°F (-10°C)
Last update	11 Mar 8:15 am MDT

More Information:

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

Extended Forecast for

Deadwood SD

Today
High: 39 °F
Sunny
Tonight
Low: 25 °F
Mostly Clear
Thursday
High: 57 °F
Partly Sunny
then Rain
Likely and
Breezy
Thursday Night
Low: 26 °F
Snow and
Blustery
Friday
High: 42 °F
Snow
Friday Night
Low: 26 °F
Snow Likely
Saturday
High: 44 °F
Chance Snow
then Snow
Saturday Night
Low: 12 °F
Heavy Snow
Sunday
High: 26 °F
Snow Likely

Detailed Forecast

Today

Sunny, with a high near 39. Wind chill values as low as 14. West wind 8 to 13 mph, with gusts as high as 29 mph.

Tonight

Mostly clear, with a low around 25. Southwest wind 6 to 11 mph, with gusts as high as 28 mph.

Thursday

Rain likely after noon. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

Thursday Night

Snow. Low around 26. Wind chill values as low as 19. Blustery, with a northwest wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 42. West wind 5 to 8 mph, with gusts as high as 17 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 26. Northwest wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Saturday

Snow, mainly after noon. High near 44. Southeast wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

Saturday Night

Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. North wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 32 mph.

Sunday

Snow likely. Mostly cloudy, with a high near 26.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 13.

Monday

A chance of snow. Mostly cloudy, with a high near 38.

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 30.

Tuesday

A chance of rain and snow. Mostly cloudy, with a high near 59.