Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

70°F

21°C

Humidity	46%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	14 Jul 4:55 am MDT

More Information:

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

Extended Forecast for

6 Miles SW Lead SD

Today
High: 87 °F
Sunny then
Isolated
T-storms
Tonight
Low: 55 °F
Scattered
T-storms
Tuesday
High: 64 °F
Slight Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 45 °F
Showers
Likely
Wednesday
High: 53 °F
Showers
Wednesday Night
Low: 42 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 67 °F
Mostly Cloudy
then Slight
Chance
T-storms
Thursday Night
Low: 49 °F
Mostly Clear
then Slight
Chance
T-storms
Friday
High: 76 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

Isolated showers and thunderstorms after 2pm. Sunny, with a high near 87. South wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Tonight

Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 40%.

Tuesday

Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 64. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 45. Northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Wednesday

Showers and possibly a thunderstorm. High near 53. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

Wednesday Night

A chance of showers and thunderstorms. Cloudy, with a low around 42. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

Thursday Night

A slight chance of showers and thunderstorms after midnight. Mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

Friday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.

Friday Night

A chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 50.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Saturday Night

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

Sunday

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