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.

Overcast

69°F

21°C

Humidity 47%
Wind Speed SE 7 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Sep 2:53 pm CDT
Extended Forecast for

Goodwin SD

  • This Afternoon

    This Afternoon: A slight chance of showers after 4pm. Mostly cloudy, with a high near 71. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 7pm. Mostly cloudy, with a low around 55. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 10%.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Light and variable wind becoming east northeast 5 to 9 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 58. East wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 69. Breezy, with an east wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 69 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, mainly before 1am. Cloudy, with a low around 55. North northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, with a high near 65. North northeast wind around 14 mph, with gusts as high as 24 mph.

    High: 65 °F

    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Northeast wind 8 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 64. East northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers after 4pm. Mostly cloudy, with a high near 71. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 7pm. Mostly cloudy, with a low around 55. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 75. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Thursday Night
Showers, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 58. East wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 69. Breezy, with an east wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers, mainly before 1am. Cloudy, with a low around 55. North northeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Cloudy, with a high near 65. North northeast wind around 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 53. Northeast wind 8 to 10 mph.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 64. East northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Goodwin SD
 44.87°N 96.84°W (Elev. 1991 ft)
Last Update:
2:52 pm CDT Sep 16, 2026
Forecast Valid:
3pm CDT Sep 16, 2026-6pm CDT Sep 22, 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