Weather Alert
Watertown Weather Warning NWS WEATHER ALERT FOR THE WATERTOWN, WI AREA - Issued: 1119 PM CDT Tue Sep 29 2026 Watertown Weather Warning

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Watertown, WI Weather Forecast

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Watertown, WI Weather Forecast

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Watertown WI weather - Partly Cloudy - 60°F
Partly Cloudy
60°F
Updated 4:59 am
Feels Like 60°F
Humidity 96%
Wind S 3 mph
Barometer  29.87 in
Dew Point 59°F
Watertown WI weather - Partly Cloudy - 15°C
Partly Cloudy
15°C
Updated 4:59 am
Feels Like 16°C
Humidity 96%
Wind S 5 km/h
Barometer  101.1 kPa
Dew Point 15°C
WX Settings

Watertown Weather Forecast

REST OF TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Watertown, WI Weather - Rest Of Tonight Chance Of T-Storm Watertown, WI Weather - Wednesday Chance Of Showers Watertown, WI Weather - Wednesday Night Chance Of Showers Watertown, WI Weather - Thursday Chance Of Showers Watertown, WI Weather - Thursday Night Chance Of Showers Watertown, WI Weather - Friday Sunny Watertown, WI Weather - Friday Night Mostly Clear Watertown, WI Weather - Saturday Mostly Sunny Watertown, WI Weather - Saturday Night Partly Cloudy Watertown, WI Weather - Sunday Mostly Sunny Watertown, WI Weather - Sunday Night Clear Watertown, WI Weather - Monday Sunny
Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers Chance of Showers Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Clear Sunny
Lo: 60°FLo: 16°C Hi: 69°FHi: 21°C
 Lo: 61°FLo: 16°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 65°FHi: 18°C
 Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
POP: 80% POP: 90% POP: 90% POP: 100% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 130 AM CDT Wed Sep 30 2026 Watertown, WI Weather - WeatherWorld.com

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Issued: 1058 PM CDT Tue Sep 29 2026

Key Messages

  • Rounds of moderate rain will spread into southern Wisconsin tonight into Wednesday morning, with rounds of moderate to heavy rain at times Wednesday night into Thursday. A few rumbles of thunder may occur as well. The heaviest rainfall should occur toward the Illinois border. Rises in rivers and ponding of water in low lying areas are expected.
  • High swim risk conditions are expected for the Lake Michigan beaches in Sheboygan County from middle morning to middle evening Wednesday. Sta...