Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

78°F

26°C

Humidity	16%
Wind Speed	W 12 G 20 mph
Barometer	29.95 in (1007.8 mb)
Dewpoint	29°F (-2°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	30 Jun 4:53 pm MDT

More Information:

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

Extended Forecast for

3 Miles NE Keystone SD

Tonight
Low: 59 °F
Scattered
T-storms
Wednesday
High: 80 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 59 °F
Partly Cloudy
Thursday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 59 °F
Partly Cloudy
Friday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 59 °F
Slight Chance
T-storms
Independence Day
High: 82 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 58 °F
Slight Chance
T-storms then
Mostly Clear

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly between 10pm and 3am. Mostly cloudy, with a low around 59. Southwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

Wednesday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming northeast around 5 mph in the morning. Winds could gust as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 59. Light and variable wind. Winds could gust as high as 16 mph.

Thursday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

Thursday Night

Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 21 mph.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.

Independence Day

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.

Saturday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

Sunday

Sunny, with a high near 86.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.