Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

45°F

7°C

Humidity 83%
Wind Speed E 7 mph
Barometer 30.15 in (1021.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Oct 8:53 pm CDT
Extended Forecast for

Watertown SD

  • Tonight

    Tonight: A chance of showers, mainly between 1am and 3am.  Cloudy, with a low around 42. East southeast wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Low: 42 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 10am.  Patchy fog between 8am and 10am.  Otherwise, cloudy, with a high near 58. Breezy, with a light and variable wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 3am.  Mostly cloudy, with a low around 37. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 30%.

    Low: 37 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 52. Breezy, with a north northwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 33. Light and variable wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 22 mph.

    Low: 33 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 36 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 43. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 34 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 67. South southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. West wind around 5 mph becoming north northeast after midnight.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly between 1am and 3am. Cloudy, with a low around 42. East southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers, mainly before 10am. Patchy fog between 8am and 10am. Otherwise, cloudy, with a high near 58. Breezy, with a light and variable wind becoming northwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers between 1am and 3am. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 52. Breezy, with a north northwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 43 mph.
Friday Night
Clear, with a low around 33. Light and variable wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 63. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 43. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 67. South southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 42. West wind around 5 mph becoming north northeast after midnight.
Monday
Sunny, with a high near 66.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.17°W (Elev. 1755 ft)
9:21 pm CDT Oct 14, 2026
9pm CDT Oct 14, 2026-6pm CDT Oct 21, 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