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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

59°F

15°C

Humidity 35%
Wind Speed SE 8 mph
Barometer 29.76 in (1007.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 22 Apr 5:53 am CDT
Extended Forecast for

Webster SD

Red Flag Warning April 22, 12:00pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly sunny, with a high near 86. Breezy, with a south southeast wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 86 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 58. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then a chance of showers after 7am. Partly sunny, with a high near 70. Breezy, with a south wind 18 to 20 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

    High: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. West northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. West northwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 1pm. Partly sunny, with a high near 54. West southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 38. East southeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 51. East wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. Breezy, with a south southeast wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 58. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers and thunderstorms, then a chance of showers after 7am. Partly sunny, with a high near 70. Breezy, with a south wind 18 to 20 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 36. West northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 52. West northwest wind 14 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 34. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday
A slight chance of showers after 1pm. Partly sunny, with a high near 54. West southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 38. East southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly cloudy, with a high near 51. East wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 48. Breezy. Chance of precipitation is 50%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
6:36 am CDT Apr 22, 2026
Forecast Valid:
6am CDT Apr 22, 2026-6pm CDT Apr 28, 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