Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

63°F

17°C

Humidity	94%
Wind Speed	W 7 mph
Barometer	30.10 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	3 Aug 12:35 am MDT

More Information:

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

Extended Forecast for

Deadwood SD

Overnight
Low: 60 °F
Isolated
T-storms
Sunday
High: 74 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 58 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 83 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 63 °F
Partly Cloudy

Detailed Forecast

Overnight

Isolated showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Calm wind becoming northwest around 5 mph in the morning.

Sunday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm.

Monday

Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 61. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

Tuesday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 83. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 59. Northwest wind around 5 mph becoming south in the evening. Winds could gust as high as 15 mph.

Wednesday

Sunny, with a high near 87. South wind around 5 mph becoming southeast in the morning. Winds could gust as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 63.

Thursday

Mostly sunny, with a high near 87.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 80.