Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

46°F

8°C

Humidity	58%
Wind Speed	W 5 mph
Barometer	29.75 in (1004.8 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	17 Oct 10:53 pm MDT

More Information:

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

Extended Forecast for

Keystone SD

Tonight
Low: 37 °F
Slight Chance
Rain
Saturday
High: 49 °F
Decreasing
Clouds
Saturday Night
Low: 32 °F
Mostly Clear
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 41 °F
Slight Chance
Showers
Monday
High: 50 °F
Sunny
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 42 °F
Mostly Clear

Detailed Forecast

Tonight

A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Northwest wind 5 to 13 mph, with gusts as high as 30 mph.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.

Saturday Night

Mostly clear, with a low around 32. West wind 6 to 8 mph, with gusts as high as 22 mph.

Sunday

Sunny, with a high near 67. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 41. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

Monday

Sunny, with a high near 50. Northwest wind 13 to 17 mph, with gusts as high as 39 mph.

Monday Night

Mostly clear, with a low around 34. Northwest wind 6 to 14 mph, with gusts as high as 30 mph.

Tuesday

Sunny, with a high near 58. West wind 5 to 7 mph becoming south in the morning. Winds could gust as high as 17 mph.

Tuesday Night

Mostly clear, with a low around 42.

Wednesday

Mostly sunny, with a high near 62.

Wednesday Night

Mostly clear, with a low around 39.