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

41°F

5°C

Humidity 67%
Wind Speed N 5 mph
Barometer 30.23 in (1024.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Oct 11:53 pm CDT
Extended Forecast for

3 Miles S Watertown SD

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Northeast wind 6 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. East northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. South southeast wind 6 to 8 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

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

    Low: 48 °F

    Mostly Clear

  • Wednesday

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

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northeast wind 3 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. South southeast wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Northeast wind 6 to 8 mph.
Monday
Sunny, with a high near 65. East northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 44. South southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 68. South wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly 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 70. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind 3 to 7 mph.
Thursday
Sunny, with a high near 72. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 55. South southeast wind 10 to 16 mph, with gusts as high as 28 mph.
Friday
A slight chance of showers before 1pm. Partly sunny, with a high near 73. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 67. Breezy. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Watertown SD
 44.86°N 97.17°W (Elev. 1716 ft)
11:56 pm CDT Oct 18, 2026
12am 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