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

71°F

22°C

Humidity 53%
Wind Speed SE 6 mph
Barometer 29.85 in (1009.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 May 11:53 pm CDT
Extended Forecast for

4 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: A slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. East wind 6 to 8 mph becoming south. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am. Mostly sunny and hot, with a high near 91. South southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 91 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Southeast wind around 8 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. East southeast wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. East southeast wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. East wind 6 to 8 mph becoming south. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 7am. Mostly sunny and hot, with a high near 91. South southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 89. East southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 56. East southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 86. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 57. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 81. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 55. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Watertown Municipal Airport SD
 44.89°N 97.08°W (Elev. 1739 ft)
Last Update:
12:26 am CDT May 26, 2026
Forecast Valid:
12am CDT May 26, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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