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 >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

55°F

13°C

Humidity 41%
Wind Speed NE 9 mph
Barometer 30.15 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 18 Oct 7:15 pm CDT
Extended Forecast for

5 Miles SSE Seneca SD

  • Tonight

    Tonight: Mostly clear, with a low around 37. North northeast wind 10 to 15 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Southeast wind around 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South southeast wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. South wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. North wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. East northeast wind around 8 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Southeast wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 56 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. North northeast wind 10 to 15 mph.
Monday
Sunny, with a high near 60. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 41. Southeast wind around 10 mph.
Tuesday
Sunny, with a high near 66. South southeast wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 46. South wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 66. North wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 45. East northeast wind around 8 mph.
Thursday
Sunny, with a high near 70. Southeast wind 7 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 56. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 29 mph.
Friday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 74. Breezy. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Breezy. Chance of precipitation is 40%.
Saturday
A slight chance of showers. Partly sunny, with a high near 61. Breezy. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Seneca SD
 45°N 99.47°W (Elev. 1916 ft)
7:21 pm CDT Oct 18, 2026
7pm CDT Oct 18, 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