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

60°F

16°C

Humidity 84%
Wind Speed S 20 G 31 mph
Barometer 29.43 in (995.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Apr 5:53 am CDT
Extended Forecast for

Webster SD

Red Flag Warning April 23, 01:00pm until April 23, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. Breezy, with a south wind 10 to 15 mph becoming west southwest 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 70 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 38 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. West northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. West northwest wind 6 to 10 mph becoming south southwest after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers. Partly sunny, with a high near 51. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 37. West southwest wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 55. East northeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 39. East wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 49. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. Breezy, with a south wind 10 to 15 mph becoming west southwest 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Partly cloudy, with a low around 34. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 38 mph.
Friday
Mostly sunny, with a high near 52. West northwest wind around 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 34. West northwest wind 6 to 10 mph becoming south southwest after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 51. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 37. West southwest wind 7 to 10 mph becoming east northeast after midnight. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 55. East northeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely. Cloudy, with a low around 39. East wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 49. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 53.
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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 23, 2026
Forecast Valid:
6am CDT Apr 23, 2026-6pm CDT Apr 29, 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