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

73°F

23°C

Humidity 19%
Wind Speed SE 5 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 21 Apr 6:53 pm CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

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

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 87 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 73. Breezy, with a south wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. West northwest wind around 17 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 54. West northwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. West northwest wind 5 to 13 mph becoming north after midnight.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 55. North northeast wind 6 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 37. East wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 87. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Thursday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 73. Breezy, with a south wind 18 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 37. West northwest wind around 17 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 54. West northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 33. West northwest wind 5 to 13 mph becoming north after midnight.
Saturday
A slight chance of rain showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 55. North northeast wind 6 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 37. East wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
7:36 pm CDT Apr 21, 2026
Forecast Valid:
7pm CDT Apr 21, 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