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

Spearfish SD

Tonight
Low: 59 °F
Mostly Cloudy
Thursday
High: 75 °F
Chance
Showers
Thursday Night
Low: 57 °F
Showers
Likely
Friday
High: 73 °F
Showers
Likely
Friday Night
Low: 56 °F
Showers
Likely
Saturday
High: 71 °F
Showers
Likely
Saturday Night
Low: 54 °F
Chance
Showers
Sunday
High: 76 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph.

Thursday

A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Friday

Showers likely, with thunderstorms also possible after 9am. Partly sunny, with a high near 73. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming southwest in the evening. Chance of precipitation is 60%.

Saturday

Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 71. West wind 5 to 10 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 54. North wind around 5 mph becoming south in the evening. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 56.

Labor Day

Sunny, with a high near 81.

Monday Night

Mostly clear, with a low around 58.

Tuesday

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

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 54.