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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

52°F

11°C

Humidity 50%
Wind Speed E 16 mph
Barometer 30.25 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 19 Oct 10:15 am CDT
Extended Forecast for

2 Miles WSW Harrold SD

  • Today

    Today: Sunny, with a high near 65. East wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northeast wind 6 to 10 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East wind around 9 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 74 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am.  Mostly cloudy, with a low around 58. Breezy, with a south southeast wind 20 to 29 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly cloudy, with a high near 76. Windy, with a south southeast wind 28 to 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

Today
Sunny, with a high near 65. East wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 44. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 70. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 48. South southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 71. Northeast wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 48. East wind around 9 mph.
Thursday
Mostly sunny, with a high near 74. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Breezy, with a south southeast wind 20 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly cloudy, with a high near 76. Windy, with a south southeast wind 28 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly before 1am. Partly cloudy, with a low around 50. Breezy. Chance of precipitation is 40%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 60. Breezy. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
A slight chance of showers. Mostly sunny, with a high near 59. Chance of precipitation is 20%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Harrold SD
 44.5°N 99.78°W (Elev. 1850 ft)
10:16 am CDT Oct 19, 2026
10am CDT Oct 19, 2026-6pm CDT 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