Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

86°F

30°C

Humidity	43%
Wind Speed	S 7 mph
Barometer	29.93 in (1010.6 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	28 Aug 11:52 am MDT

More Information:

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

Extended Forecast for

Box Elder SD

This Afternoon
High: 96 °F
Slight Chance
T-storms
Tonight
Low: 64 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 93 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 92 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 56 °F
Partly Cloudy
Monday
High: 87 °F
Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 96. Southeast wind around 9 mph becoming northeast. Winds could gust as high as 21 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 64. North wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.

Saturday

Mostly sunny, with a high near 93. Northwest wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before 9pm. Increasing clouds, with a low around 63. Southeast wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Northwest wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 34 mph.

Sunday Night

Partly cloudy, with a low around 56. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

Monday

Sunny, with a high near 87.

Monday Night

Partly cloudy, with a low around 60.

Tuesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.

Tuesday Night

Partly cloudy, with a low around 60.

Wednesday

Sunny, with a high near 94.