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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

40°F

4°C

Humidity 70%
Wind Speed N 3 mph
Barometer 30.26 in (1025.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 Oct 6:53 am CDT
Extended Forecast for

6 Miles SW Watertown SD

  • Today

    Today: Sunny, with a high near 65. East wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Southeast wind 6 to 8 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 48. South wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. South wind 5 to 7 mph becoming east in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. East northeast wind 5 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 32 mph.

    Low: 57 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: A slight chance of showers before 1pm.  Partly sunny, with a high near 73. Breezy, with a south southeast wind 23 to 28 mph, with gusts as high as 43 mph.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 65. East wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 44. Southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 69. South wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Clear, with a low around 48. South wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 72. South wind 5 to 7 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. East northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 74. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 57. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 32 mph.
Friday
A slight chance of showers before 1pm. Partly sunny, with a high near 73. Breezy, with a south southeast wind 23 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 20%.
Saturday
A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Watertown SD
 44.84°N 97.26°W (Elev. 1699 ft)
5:40 am CDT Oct 19, 2026
6am 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