National Weather Service

News Headlines

August 11, 2026 Severe Thunderstorms Produce Giant Hail and Extreme Wind

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05° N Lon: 103.05° W Elev: 3202 ft.

Fair

76°F

24°C

Humidity	50%
Wind Speed	SE 6 mph
Barometer	30.06 in (1015.9 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	19 Aug 10:52 am MDT

More Information:

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

Detailed forecast for

Custer Co Plains

This Afternoon

Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph with gusts up to 20 mph.

Tonight

Clear. Lows around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight.

Thursday

Sunny. Highs in the lower 90s. Northwest winds around 5 mph, becoming east with gusts up to 20 mph in the afternoon.

Thursday Night

Mostly clear. Lows in the lower 60s. East winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight.

Friday

Mostly sunny. Highs in the mid 90s. Southeast winds around 5 mph, increasing to northeast 10 to 15 mph with gusts up to 25 mph in the afternoon.

Friday Night

Mostly clear. Lows in the lower 60s.

Saturday

Partly cloudy. Highs in the upper 80s.

Saturday Night

Partly cloudy with a chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Sunday

Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

Sunday Night

Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 20 percent.

Monday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

Monday Night

Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent.

Tuesday

Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent.