Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

51°F

11°C

Humidity 36%
Wind Speed NE 10 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Oct 7:52 pm MDT
Extended Forecast for

Rapid Valley SD

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 25 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. South wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Clear, with a low around 43. South wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 76. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 47. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 68. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 77. Breezy.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A slight chance of rain after noon. Partly sunny, with a high near 76.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
5:36 pm MDT Oct 18, 2026
7pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database