Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

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
Extended Forecast for

5 Miles W South Shore SD

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly sunny and hot, with a high near 96. South southwest wind 6 to 10 mph becoming north northeast in the afternoon.

    High: 96 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. Southwest wind 7 to 11 mph becoming south southeast in the evening. Winds could gust as high as 21 mph.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 3pm.  Mostly sunny and hot, with a high near 95. Heat index values as high as 102. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southwest wind around 10 mph becoming northwest after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. North wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. North northeast wind 5 to 8 mph becoming east after midnight.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. Southeast wind 5 to 8 mph becoming west in the afternoon.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Southeast wind 6 to 8 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 96. South southwest wind 6 to 10 mph becoming north northeast in the afternoon.
Tonight
Mostly cloudy, with a low around 75. Southwest wind 7 to 11 mph becoming south southeast in the evening. Winds could gust as high as 21 mph.
Sunday
A slight chance of showers between 2pm and 3pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 102. South southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 72. South southwest wind around 10 mph becoming northwest after midnight.
Monday
Sunny and hot, with a high near 92. North wind 9 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 70. North northeast wind 5 to 8 mph becoming east after midnight.
Tuesday
Sunny and hot, with a high near 90. Southeast wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Southeast wind 6 to 8 mph.
Wednesday
Sunny and hot, with a high near 90. South wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 68. Chance of precipitation is 40%.
Friday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W South Shore SD
 45.1°N 97.03°W (Elev. 1955 ft)
6:31 am CDT Jul 25, 2026
6am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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