Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

61°F

16°C

Humidity	59%
Wind Speed	S 6 mph
Barometer	30.14 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	27 Aug 3:55 am MDT

More Information:

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

Extended Forecast for

Lead SD

Today
High: 83 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 65 °F
Mostly Cloudy
then Slight
Chance
T-storms
Friday
High: 87 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 63 °F
Mostly Cloudy
Saturday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 58 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 79 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 53 °F
Partly Cloudy
Monday
High: 77 °F
Mostly Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 16 mph.

Tonight

A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 65. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Southwest wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.

Friday Night

Mostly cloudy, with a low around 63. Calm wind.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

Sunday Night

Partly cloudy, with a low around 53.

Monday

Mostly sunny, with a high near 77.

Monday Night

Partly cloudy, with a low around 55.

Tuesday

Mostly sunny, with a high near 81.

Tuesday Night

Partly cloudy, with a low around 58.