Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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

60°F

16°C

Humidity	58%
Wind Speed	Calm
Barometer	30.02 in (1008.6 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	26 Jul 5:53 am MDT

More Information:

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

Extended Forecast for

4 Miles SSW Mount Rushmore SD

Today
High: 90 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 63 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 87 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 59 °F
Chance
T-storms
Tuesday
High: 74 °F
Mostly Cloudy
then Chance
T-storms
Tuesday Night
Low: 57 °F
T-storms then
Showers
Wednesday
High: 65 °F
Showers

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 90. West wind around 5 mph becoming southeast in the morning. Winds could gust as high as 20 mph.

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming northwest in the evening. Winds could gust as high as 15 mph.

Sunday

Sunny, with a high near 89. West wind around 5 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear, with a low around 62. Northeast wind around 5 mph, with gusts as high as 15 mph.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. Northeast wind around 5 mph, with gusts as high as 20 mph.

Tuesday

A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 74. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57. Northeast wind around 5 mph, with gusts as high as 20 mph.

Wednesday

Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65.

Wednesday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 56.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 69.