
Hurricane Isaias to Approach the Northern Gulf Coast on Friday
Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >
Hazardous Weather Conditions
Current conditions at
Rapid City, Rapid City Regional Airport (KRAP)
Lat: 44.05°NLon: 103.05°WElev: 3202ft.
Fair
69°F
21°C
| Humidity | 38% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.06 in (1016.8 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 11:52 am MDT |
Extended Forecast for
Rapid City Regional Airport SD
Red Flag Warning October 9, 11:00am until October 9, 08:00pm
This Afternoon

High: 76 °F
Sunny
Tonight

Low: 45 °F
Mostly Clear
Friday

High: 90 °F
Sunny
Friday Night

Low: 61 °F
Mostly Clear
Saturday

High: 87 °F
Sunny
Saturday Night
Low: 45 °F
Slight Chance
Showers then
Mostly CloudySunday

High: 57 °F
Mostly Cloudy
Sunday Night

Low: 34 °F
Rain
Columbus Day

High: 53 °F
Rain Likely
Detailed Forecast
This Afternoon
Sunny, with a high near 76. East wind 3 to 6 mph. Winds could gust as high as 16 mph.
Tonight
Mostly clear, with a low around 45. East wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 90. South wind 6 to 16 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 61. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 87. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 45. Northwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 38 mph.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Rain, mainly after midnight. Mostly cloudy, with a low around 34.
Columbus Day
Rain likely, mainly before noon. Mostly cloudy, with a high near 53.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Wednesday
A chance of rain. Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rapid City Regional Airport SD
44.04°N 103.06°W (Elev. 3100 ft)
44.04°N 103.06°W (Elev. 3100 ft)
11:21 am MDT Oct 8, 2026
12pm MDT Oct 8, 2026-6pm MDT Oct 14, 2026



