Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

64°F

18°C

Humidity	78%
Wind Speed	E 5 mph
Barometer	30.18 in (1015.2 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	18 Jul 9:53 pm MDT

More Information:

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

Extended Forecast for

3 Miles NNE Keystone SD

Tonight
Low: 60 °F
Scattered
T-storms
Saturday
High: 77 °F
Scattered
Showers then
Chance
T-storms
Saturday Night
Low: 62 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 64 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 85 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 61 °F
Chance
T-storms

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%.

Saturday

Scattered showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 77. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. South wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph.

Sunday

Sunny, with a high near 87. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 63. East wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.

Monday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. East wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph.

Tuesday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Northwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 61.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 83.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 85.