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

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity	28%
Wind Speed	W 18 G 26 mph
Barometer	30.17 in
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	11 Mar 4:55 pm MDT

More Information:

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

Extended Forecast for

3 Miles S Whitewood SD

High Wind Warning March 12, 09:00am until March 12, 09:00pm

Click here for hazard details and duration

High Wind Warning

Tonight
Low: 28 °F⇑
Mostly Clear
then Partly
Cloudy and
Breezy
Thursday
High: 53 °F
Mostly Cloudy
and Breezy
then Chance
Rain/Snow and
Windy
Thursday Night
Low: 26 °F
Snow and
Windy
Friday
High: 37 °F
Snow
Friday Night
Low: 25 °F
Snow
Saturday
High: 40 °F
Snow Likely
then Snow
Saturday Night
Low: 13 °F
Rain/Snow
then Snow and
Blustery
Sunday
High: 23 °F
Snow Likely
and Blustery
Sunday Night
Low: 10 °F
Slight Chance
Snow then
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a temperature falling to near 28 by 8pm, then rising to around 37 during the remainder of the night. Wind chill values as low as 19. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph.

Thursday

A chance of rain after 2pm, mixing with snow after 5pm. Increasing clouds, with a high near 53. Windy, with a west wind 24 to 29 mph increasing to 33 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 26. Wind chill values as low as 16. 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 37. Wind chill values as low as 17. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

Snow. Low around 25. North wind 6 to 10 mph becoming south in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday

Snow. High near 40. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Saturday Night

Rain and snow, becoming all snow after midnight. The snow could be heavy at times. Low around 13. Blustery, with an east wind 10 to 15 mph becoming northwest 17 to 22 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 100%.

Sunday

Snow likely, mainly before noon. Mostly cloudy, with a high near 23. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 37 mph.

Sunday Night

A slight chance of snow before midnight. Mostly cloudy, with a low around 10.

Monday

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

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 28.

Tuesday

A chance of rain. Mostly cloudy, with a high near 54.

Tuesday Night

Partly cloudy, with a low around 42.

Wednesday

Sunny, with a high near 68.