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 50%
Wind Speed S 5 mph
Barometer 29.67 in (1004.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 pm CDT
Extended Forecast for

Webster SD

Red Flag Warning April 16, 11:00am until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 46. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Increasing clouds, with a low around 32. West northwest wind 11 to 17 mph becoming east northeast in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of rain showers before 10am, then a chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 41 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 41 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Northwest wind 7 to 9 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Northeast wind 7 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 77. South wind 11 to 18 mph, with gusts as high as 30 mph.
Thursday Night
A slight chance of showers after 1am. Increasing clouds, with a low around 32. West northwest wind 11 to 17 mph becoming east northeast in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of rain showers before 10am, then a chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 34 mph.
Saturday
Mostly sunny, with a high near 41. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 25. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 50. Northwest wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 34. Northeast wind 7 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
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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:
8:37 pm CDT Apr 15, 2026
Forecast Valid:
9pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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