Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from July 7, 04:25 PM MDT until July 7, 11:00 PM MDT

Current conditions at

Custer, Custer County Airport (KCUT)

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

Thunderstorm in Vicinity

67°F

19°C

Humidity	81%
Wind Speed	N 6 mph
Barometer	30.15 in (1014.1 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	7 Jul 8:53 pm MDT

More Information:

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

Extended Forecast for

Keystone SD

Severe T-storm Watch until July 7, 11:00pm

Click here for hazard details and duration

...

Severe T-storm Watch until July 7, 11:00pm
NOW until 11:00pm Tue
Severe T-storm Watch
Tonight
Low: 62 °F
Severe
Thunderstorms
then Slight
Chance
T-storms
Wednesday
High: 79 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 60 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 86 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 93 °F
Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.

Wednesday

A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

Wednesday Night

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.

Thursday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

Friday

Sunny, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 22 mph.

Friday Night

Mostly clear, with a low around 64.

Saturday

Sunny, with a high near 93.

Saturday Night

Mostly clear, with a low around 69.

Sunday

Sunny, with a high near 96.

Sunday Night

Mostly clear, with a low around 71.