National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Ellsworth Air Force Base (KRCA)

Lat: 44.15°NLon: 103.1°WElev: 3278ft.

Fair

77°F

25°C

Humidity 13%
Wind Speed N 9 mph
Barometer 30.03 in (1015.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 7 Oct 3:55 pm MDT
Extended Forecast for

2 Miles SW 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

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Light and variable wind becoming southwest around 5 mph in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 32 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind 6 to 15 mph, with gusts as high as 34 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. West wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 36 mph.

    High: 85 °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 chance of rain before noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    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

Tonight
Partly cloudy, with a low around 49. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 53. Light and variable wind becoming southwest around 5 mph in the evening.
Friday
Sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 61. Southwest wind 6 to 15 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 85. West wind 7 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 36 mph.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 46.
Sunday
A chance of rain before noon. Mostly cloudy, with a high near 55.
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 50.
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 58.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Rapid City SD
 44.05°N 103.27°W (Elev. 3399 ft)
Last Update:
2:42 pm MDT Oct 7, 2026
Forecast Valid:
4pm MDT Oct 7, 2026-6pm MDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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