Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Custer, Custer County Airport (KCUT)

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

Thunderstorm in Vicinity

71°F

22°C

Humidity	61%
Wind Speed	W 7 mph
Barometer	30.19 in (1016.0 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	6 Jul 12:53 pm MDT

More Information:

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

Extended Forecast for

4 Miles WSW Mount Rushmore SD

This
Afternoon

Severe
Thunderstorms
High: 71 °F
Tonight

Severe
Thunderstorms
then Mostly
Cloudy
Low: 55 °F
Thursday

Partly Sunny
then Chance
T-storms
High: 70 °F
Thursday
Night

Chance
T-storms then
Partly Cloudy
Low: 58 °F
Friday

Sunny then
Chance
T-storms
High: 77 °F
Friday
Night

Mostly Clear
Low: 59 °F
Saturday

Sunny
High: 85 °F
Saturday
Night

Slight Chance
T-storms then
Mostly Clear
Low: 61 °F
Sunday

Sunny then
Slight Chance
T-storms
High: 79 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Some storms could be severe, with heavy rain. Partly sunny, with a high near 71. Southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Tonight

Scattered showers and thunderstorms, mainly before 10pm. Some storms could be severe, with heavy rain. Mostly cloudy, with a low around 55. Northeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

Thursday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Southwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

Friday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 77. South wind 7 to 10 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 59. Southeast wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

Saturday

Sunny, with a high near 85.

Saturday Night

A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61.

Sunday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 79.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57.