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

72°F

22°C

Humidity	44%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	14 Jul 3:55 am MDT

More Information:

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

Extended Forecast for

Lead SD

Overnight
Low: 61 °F
Mostly Clear
Monday
High: 89 °F
Sunny then
Isolated
T-storms
Monday Night
Low: 60 °F
Scattered
T-storms
Tuesday
High: 66 °F
Slight Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 49 °F
Showers
Wednesday
High: 54 °F
Showers
Wednesday Night
Low: 47 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 70 °F
Decreasing
Clouds
Thursday Night
Low: 55 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 61. Calm wind becoming south around 5 mph. Winds could gust as high as 15 mph.

Monday

Isolated showers and thunderstorms after 2pm. Sunny, with a high near 89. Southwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Monday Night

Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. East wind around 5 mph becoming west after midnight. Chance of precipitation is 40%.

Tuesday

Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 66. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 49. Northeast wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Wednesday

Showers and possibly a thunderstorm. High near 54. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

Wednesday Night

A chance of showers and thunderstorms. Cloudy, with a low around 47. East wind around 5 mph becoming southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

Thursday

Cloudy, then gradually becoming mostly sunny, with a high near 70. East wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

A slight chance of showers and thunderstorms after midnight. Mostly clear, with a low around 55.

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 79.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Saturday

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

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 57.