Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. 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

72°F

22°C

Humidity	30%
Wind Speed	W 13 G 20 mph
Barometer	30.05 in (1011.1 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	8 Aug 5:53 pm MDT

More Information:

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

Extended Forecast for

5 Miles ESE Keystone SD

Tonight
Low: 56 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 57 °F
Mostly Cloudy
Sunday
High: 76 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 81 °F
Mostly Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 56. North wind around 5 mph becoming west after midnight.

Saturday

Sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

Mostly cloudy, with a low around 57. Northwest wind around 5 mph, with gusts as high as 15 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Mostly clear, with a low around 59. East wind around 5 mph becoming west after midnight.

Monday

Mostly sunny, with a high near 81. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

Monday Night

Mostly clear, with a low around 60. Northeast wind around 5 mph becoming west after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 86. West wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 86.