Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

75°F

24°C

Humidity	65%
Wind Speed	E 9 mph
Barometer	30.10 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	2 Aug 6:55 pm MDT

More Information:

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

Extended Forecast for

5 Miles SSW Lead SD

Tonight
Low: 53 °F
Partly Cloudy
Sunday
High: 67 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 52 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 57 °F
Partly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 53. Calm wind.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming northwest around 5 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 50. Calm wind.

Monday

Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 15 mph.

Monday Night

Mostly clear, with a low around 55. Southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 20 mph.

Tuesday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 79. Southwest wind around 5 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Wednesday

Sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

Wednesday Night

Partly cloudy, with a low around 57.

Thursday

Mostly sunny, with a high near 82.

Thursday Night

Partly cloudy, with a low around 53.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 75.