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

53°F

12°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.23 in (1024.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Oct 8:53 pm CDT
Extended Forecast for

2 Miles SE Watertown SD

  • Tonight

    Tonight: Clear, with a low around 43. South southeast wind 5 to 7 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. South wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 47. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light and variable wind becoming east 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Southeast wind 5 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 1pm.  Partly sunny, with a high near 72. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Breezy, with a south wind 23 to 26 mph, with gusts as high as 43 mph.

    Low: 58 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 43. South southeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 68. South wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Clear, with a low around 47. South wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 70. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. Southeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 73. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 28 mph.
Friday
A slight chance of rain before 1pm. Partly sunny, with a high near 72. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 58. Breezy, with a south wind 23 to 26 mph, with gusts as high as 43 mph.
Saturday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 66. Breezy. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Sunday
A slight chance of rain. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Watertown SD
 44.89°N 97.14°W (Elev. 1716 ft)
8:21 pm CDT Oct 19, 2026
9pm 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