Areas of Heavy to Excessive Rainfall Which May Bring Flooding

An area of thunderstorms and heavy rains may produce flash flooding in the central and southern Plains, specifically southeast Kansas, into the morning. Monsoon moisture will continue to produce areas of heavy rainfall and the potential for flooding and debris flows across the northern Intermountain West. Heavy rain continues across portions of southwest and south-central Alaska. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

63°F

17°C

Humidity	68%
Wind Speed	E 9 mph
Barometer	30.19 in
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	27 Aug 10:15 pm MDT

More Information:

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

Extended Forecast for

Deadwood SD

Tonight
Low: 56 °F
Mostly Cloudy
Thursday
High: 73 °F
Chance
Showers
Thursday Night
Low: 54 °F
Chance
T-storms then
Showers
Likely
Friday
High: 71 °F
Chance
Showers then
Showers
Friday Night
Low: 52 °F
Showers
Likely
Saturday
High: 69 °F
Showers
Likely
Saturday Night
Low: 51 °F
Chance
Showers
Sunday
High: 74 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm after midnight.

Thursday

A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 73. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Friday

A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 71. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming southwest in the evening. Chance of precipitation is 60%.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Saturday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 51. North wind around 5 mph becoming southwest in the evening. Chance of precipitation is 30%.

Sunday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 52.

Labor Day

Sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 55.

Tuesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 50.