National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Mostly Cloudy

45°F

7°C

Humidity 66%
Wind Speed W 9 mph
Barometer 29.97 in (1015.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 25 Apr 12:53 am CDT
Extended Forecast for

Goodwin SD

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 39. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 45. West southwest wind 7 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 36. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. East northeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 44. East wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 44 °F

    Showers

  • Monday

    Monday: Showers. High near 51. Breezy, with an east northeast wind 16 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers before 1am. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Northwest wind around 16 mph, with gusts as high as 26 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 39. Southwest wind around 7 mph. Chance of precipitation is 40%.
Saturday
Showers. High near 45. West southwest wind 7 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 36. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. East northeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 44. East wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers. High near 51. Breezy, with an east northeast wind 16 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 49. Northwest wind around 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 30. West wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 53. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Goodwin SD
 44.87°N 96.84°W (Elev. 1991 ft)
Last Update:
1:31 am CDT Apr 25, 2026
Forecast Valid:
1am CDT Apr 25, 2026-6pm CDT May 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation