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

47°F

8°C

Humidity 52%
Wind Speed Calm
Barometer 30.26 in (1025.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Oct 8:52 am MDT
Extended Forecast for

17 Miles NNW Porcupine SD

  • Today

    Today: Sunny, with a high near 62. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. East wind 8 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. South wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. South wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Northwest wind around 7 mph becoming east in the afternoon.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. East wind 6 to 8 mph becoming south after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Breezy.

    Low: 57 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A slight chance of rain after noon.  Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 62. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight
Mostly clear, with a low around 42. East wind 8 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 76. South wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 44. South wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 68. Northwest wind around 7 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. East wind 6 to 8 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
Mostly cloudy, with a low around 57. Breezy.
Friday
A slight chance of rain after noon. Partly sunny, with a high near 79. Breezy.
Friday Night
A chance of rain, mainly before midnight. Partly cloudy, with a low around 45. Breezy.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Porcupine SD
 43.48°N 102.47°W (Elev. 2799 ft)
7:01 am MDT Oct 19, 2026
9am MDT Oct 19, 2026-6pm MDT Oct 25, 2026
 
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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