Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Partly Cloudy

54°F

12°C

Humidity	75%
Wind Speed	N 9 mph
Barometer	29.80 in (1009.0 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	11 Oct 4:52 pm MDT

More Information:

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

Extended Forecast for

Rapid Valley SD

Tonight
Low: 46 °F
Chance
Showers
Columbus Day
High: 63 °F
Mostly Cloudy
then Mostly
Sunny and
Breezy
Monday Night
Low: 38 °F
Partly Cloudy
and Breezy
then Rain
Likely
Tuesday
High: 53 °F
Chance Rain
then Slight
Chance Rain
Tuesday Night
Low: 38 °F
Mostly Cloudy
then Chance
Rain
Wednesday
High: 56 °F
Chance Rain
Wednesday Night
Low: 40 °F
Chance Rain
Thursday
High: 59 °F
Slight Chance
Rain and
Breezy then
Mostly Sunny
and Windy
Thursday Night
Low: 33 °F
Mostly Clear
and Breezy

Detailed Forecast

Tonight

A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 46. East wind 5 to 7 mph becoming southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

Columbus Day

Mostly cloudy, then gradually becoming sunny, with a high near 63. Breezy, with a southeast wind 6 to 11 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.

Monday Night

Rain likely after midnight. Increasing clouds, with a low around 38. Breezy, with a north wind 15 to 20 mph becoming light after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 53. Calm wind becoming east around 6 mph in the afternoon.

Tuesday Night

A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Northeast wind around 5 mph becoming light and variable in the evening.

Wednesday

A 40 percent chance of rain, mainly after noon. Partly sunny, with a high near 56. Light and variable wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

Wednesday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 40.

Thursday

A slight chance of rain before noon. Partly sunny, with a high near 59. Windy.

Thursday Night

Mostly clear, with a low around 33. Breezy.

Friday

Sunny, with a high near 58.

Friday Night

Clear, with a low around 37.

Saturday

Sunny, with a high near 72.