Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

61°F

16°C

Humidity	100%
Wind Speed	W 6 mph
Barometer	30.17 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	30 Aug 7:35 am MDT

More Information:

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

Extended Forecast for

Lead SD

Today
High: 64 °F
Chance
Showers and
Patchy Fog
then Showers
Likely
Tonight
Low: 48 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 68 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 50 °F
Mostly Clear
Labor Day
High: 75 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 48 °F
Slight Chance
T-storms then
Chance
Showers
Wednesday
High: 63 °F
Chance
Showers then
Slight Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming north around 5 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. Calm wind becoming northeast around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 50. East wind around 5 mph becoming southwest after midnight.

Labor Day

Sunny, with a high near 75. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

Monday Night

Mostly clear, with a low around 52. North wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 73. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 48. North wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63.

Wednesday Night

Partly cloudy, with a low around 44.

Thursday

Mostly sunny, with a high near 69.

Thursday Night

Mostly clear, with a low around 46.

Friday

Sunny, with a high near 71.