Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9° N Lon: 97.15° W Elev: 1745 ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 25 Jul 5:53 am CDT
Detailed forecast for

Codington County

Today
Patchy fog this morning. Partly sunny. Warmer with highs in the upper 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest this afternoon.
Tonight
Mostly cloudy. Warmer with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 100 early in the evening.
Sunday
Partly sunny. Hot with highs in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 in the afternoon.
Sunday Night
Mostly clear. Humid with lows in the lower 70s. South winds around 10 mph, becoming west after midnight. Heat index values up to 104 early in the evening.
Monday
Mostly sunny. Hot with highs in the mid 90s. North winds 5 to 10 mph with gusts up to 20 mph.
Monday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s.
Tuesday
Mostly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 20 percent.
Tuesday Night
Mostly clear. Lows in the upper 60s.
Wednesday
Partly sunny. Hot with highs in the lower 90s.
Wednesday Night And Thursday
Partly cloudy. A 40 percent chance of thunderstorms. Hot. Lows around 70. Highs in the lower 90s.
Thursday Night
Partly cloudy with a chance of thunderstorms in the evening, then mostly clear with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.
Friday
Mostly sunny. Highs in the upper 80s.



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537 AM CDT Sat Jul 25 2026
 
 

Additional Resources

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