Areas of Excessive Rainfall; Refreshingly Cool Air Remains over Much of the Central and Eastern U.S.

Heavy thunderstorms may bring excessive rainfall and possible flooding over parts of the northern Gulf Coast Friday and over parts of Texas and New Mexico Friday through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures over much of the central and eastern U.S. into this weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

57°F

14°C

Humidity	93%
Wind Speed	E 6 mph
Barometer	30.20 in (1017.0 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	29 Aug 12:53 am MDT

More Information:

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

Extended Forecast for

Keystone SD

Overnight
Low: 57 °F
Showers
Likely
Friday
High: 69 °F
Showers
Likely then
T-storms
Friday Night
Low: 55 °F
Showers
Likely
Saturday
High: 66 °F
Showers
Likely
Saturday Night
Low: 52 °F
Chance
Showers
Sunday
High: 70 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 52 °F
Mostly Clear
Labor Day
High: 75 °F
Sunny
Monday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 69. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 55. North wind around 5 mph. Chance of precipitation is 70%.

Saturday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. North wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Mostly clear, with a low around 52. East wind around 5 mph becoming calm.

Labor Day

Sunny, with a high near 75. West wind around 5 mph becoming northeast in the morning. Winds could gust as high as 15 mph.

Monday Night

Mostly clear, with a low around 54.

Tuesday

Sunny, with a high near 78.

Tuesday Night

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

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.