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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

26°F

-3°C

Humidity 66%
Wind Speed SE 14 mph
Barometer 30.13 in (1022.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 20 Apr 6:53 am CDT
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

Red Flag Warning April 20, 11:00am until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Sunny, with a high near 68. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 36 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. East northeast wind around 8 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Breezy, with a south wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 85 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers 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 40%.

    Low: 57 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly sunny, with a high near 72. Breezy, with a south wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 35. Breezy, with a west wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 51. Breezy, with a west northwest wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 51 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 68. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming north northeast after midnight.
Tuesday
Sunny, with a high near 72. East northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 50. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 85. Breezy, with a south wind 13 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
A chance of showers 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 40%.
Thursday
A chance of showers. Mostly sunny, with a high near 72. Breezy, with a south wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 35. Breezy, with a west wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 51. Breezy, with a west northwest wind 22 to 25 mph, with gusts as high as 37 mph.
Friday Night
Partly cloudy, with a low around 30. Blustery.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A slight chance of showers. Partly sunny, with a high near 52. 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 am CDT Apr 20, 2026
Forecast Valid:
7am CDT Apr 20, 2026-6pm CDT Apr 26, 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