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 90%
Wind Speed Calm
Barometer 30.17 in (1022.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Oct 12:53 am CDT
Extended Forecast for

Watertown SD

  • Overnight

    Overnight: A chance of showers, mainly before 4am.  Cloudy, with a low around 40. Southeast wind 3 to 6 mph.  Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly between 7am and 11am.  Mostly cloudy, with a high near 57. Breezy, with a light and variable wind becoming northwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph.  Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of sprinkles before 10pm, then a chance of showers, mainly between 10pm and 4am.  Increasing clouds, with a low around 38. Breezy, with a northwest wind 25 to 29 mph, with gusts as high as 44 mph.  Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north northwest wind 23 to 28 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 51 °F

    Decreasing
    Clouds and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Areas of frost between 10pm and 2am.  Otherwise, clear, with a low around 33. Light and variable wind becoming south southwest 9 to 14 mph after midnight. Winds could gust as high as 23 mph.

    Low: 33 °F

    Areas Frost

  • Saturday

    Saturday: Sunny, with a high near 63. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 37 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

Overnight
A chance of showers, mainly before 4am. Cloudy, with a low around 40. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, mainly between 7am and 11am. Mostly cloudy, with a high near 57. Breezy, with a light and variable wind becoming northwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 30%.
Thursday Night
A chance of sprinkles before 10pm, then a chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 38. Breezy, with a northwest wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 40%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north northwest wind 23 to 28 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 43 mph.
Friday Night
Areas of frost between 10pm and 2am. Otherwise, clear, with a low around 33. Light and variable wind becoming south southwest 9 to 14 mph after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 63. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 37 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)
12:21 am CDT Oct 15, 2026
1am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database