Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

70°F

21°C

Humidity	43%
Wind Speed	N 5 mph
Barometer	30.00 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	3 Jul 6:35 pm MDT

More Information:

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

Extended Forecast for

11 Miles W Lead SD

Tonight
Low: 49 °F
Severe
Thunderstorms
then Mostly
Clear
Independence Day
High: 75 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 52 °F
Mostly Clear
Sunday
High: 84 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 57 °F
Chance
T-storms
Monday
High: 78 °F
Chance
T-storms
Monday Night
Low: 53 °F
Slight Chance
T-storms
Tuesday
High: 79 °F
Mostly Cloudy
then Showers
Likely
Tuesday Night
Low: 53 °F
Showers
Likely then
Slight Chance
T-storms

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before 10pm. Some of the storms could be severe. Mostly cloudy during the early evening, then gradual clearing, with a low around 49. Calm wind.

Independence Day

A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 75. Light and variable wind.

Saturday Night

Mostly clear, with a low around 52. Calm wind becoming southeast around 5 mph in the evening. Winds could gust as high as 17 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 84. South wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 16 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 57. Light and variable wind becoming southeast 5 to 7 mph. Winds could gust as high as 25 mph.

Monday

A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 78. Calm wind becoming north around 6 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

Tuesday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53.

Wednesday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 52.

Thursday

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

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 51.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 79.