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Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

50°F

10°C

Humidity 57%
Wind Speed N 3 mph
Barometer 30.11 in (1017.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Oct 11:52 pm MDT
Extended Forecast for

2 Miles SSW Rapid City SD

Fire Weather Watch October 9, 11:00am until October 9, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Northwest wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 15 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. East wind 5 to 7 mph becoming southwest in the evening. Winds could gust as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86. Southwest wind 6 to 16 mph, with gusts as high as 32 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 36 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 8 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain before noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming east 5 to 7 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 53. East wind 5 to 7 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 86. Southwest wind 6 to 16 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 61. Southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 36 mph.
Saturday
Sunny, with a high near 84. West wind 8 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 46.
Sunday
A slight chance of rain before noon. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 39.
Columbus Day
A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 56.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Rapid City SD
 44.03°N 103.24°W (Elev. 3599 ft)
Last Update:
10:51 pm MDT Oct 7, 2026
Forecast Valid:
12am MDT Oct 8, 2026-6pm MDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation