Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

59°F

15°C

Humidity	36%
Wind Speed	Calm
Barometer	30.17 in
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	9 Sep 10:35 pm MDT

More Information:

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

Extended Forecast for

Spearfish SD

Tonight
Low: 55 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 78 °F
Sunny
Friday Night
Low: 49 °F
Partly Cloudy
then Slight
Chance
T-storms
Saturday
High: 71 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Chance
Showers and
Breezy
Sunday
High: 75 °F
Chance
Showers
Sunday Night
Low: 49 °F
Chance
Showers and
Breezy

Detailed Forecast

Tonight

Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.

Thursday

Sunny, with a high near 87. West wind 5 to 9 mph, with gusts as high as 18 mph.

Thursday Night

Partly cloudy, with a low around 64. West wind 5 to 9 mph becoming south in the evening. Winds could gust as high as 15 mph.

Friday

Sunny, with a high near 78. Southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

Friday Night

A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 49. North wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Saturday

Mostly sunny, with a high near 71. Light and variable wind becoming east 12 to 17 mph in the morning. Winds could gust as high as 26 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 50%.

Sunday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75.

Sunday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 49. Breezy.

Monday

Mostly sunny, with a high near 67. Breezy.

Monday Night

Mostly clear, with a low around 42. Breezy.