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

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

65°F

18°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.22 in (1023.5 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 19 Oct 5:56 pm CDT
Extended Forecast for

6 Miles ENE Grenville SD

  • Tonight

    Tonight: Clear, with a low around 44. South southeast wind around 8 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East northeast wind around 5 mph becoming southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. South southeast wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 1pm.  Partly sunny, with a high near 69. Breezy, with a south southeast wind 15 to 24 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: A slight chance of rain after 1am.  Mostly cloudy, with a low around 57. Breezy, with a south southeast wind 21 to 23 mph, with gusts as high as 40 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 44. South southeast wind around 8 mph.
Tuesday
Sunny, with a high near 66. South wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 48. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 65. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. East northeast wind around 5 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 70. South southeast wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 56. South southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Friday
A slight chance of rain before 1pm. Partly sunny, with a high near 69. Breezy, with a south southeast wind 15 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 57. Breezy, with a south southeast wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Saturday
A chance of rain. Partly sunny, with a high near 63. Breezy. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.
Sunday
A slight chance of rain. Mostly sunny, with a high near 54. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Grenville SD
 45.5°N 97.28°W (Elev. 1841 ft)
6:21 pm CDT Oct 19, 2026
6pm CDT Oct 19, 2026-6pm CDT Oct 26, 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