Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

49°F

9°C

Humidity 55%
Wind Speed N 9 mph
Barometer 30.20 in (1023.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 May 7:53 pm CDT
Extended Forecast for

Webster SD

Freeze Warning May 20, 01:00am until May 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Patchy frost after 2am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 61. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 65. South southeast wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 58. East southeast wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 42. East southeast wind 6 to 10 mph.  Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 1pm.  Partly sunny, with a high near 66. South southeast wind 6 to 8 mph becoming west northwest in the afternoon.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. West wind 5 to 7 mph becoming southeast in the evening.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. South wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 40. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 65. South southeast wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 42. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 58. East southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42. East southeast wind 6 to 10 mph. Chance of precipitation is 50%.
Saturday
A slight chance of showers before 1pm. Partly sunny, with a high near 66. South southeast wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 45. West wind 5 to 7 mph becoming southeast in the evening.
Sunday
Sunny, with a high near 77.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 51. Chance of precipitation is 20%.
Memorial Day
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
7:36 pm CDT May 19, 2026
8pm CDT May 19, 2026-6pm CDT May 26, 2026
 
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