Sylvan Mounds, Wisconsin Weather
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Weather Forecast for Sylvan Mounds, Wisconsin : Jefferson County
Issued: 1:38 pm CDT May 11, 2025 Latitude: 42.9991684 Longitude: -88.978443 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Tonight Sunny on Monday 40% chance of thunderstorms on Tuesday 30% chance of thunderstorms on Wednesday 50% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
Low: 48°F High: 81°F High: 78°F High: 80°F High: 86°F High: 73°F High: 66°F High: 65°F
Low: 58°F Low: 59°F Low: 60°F Low: 58°F Low: 51°F Low: 45°F  
Mostly Clear Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny
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Current Conditions at
WATERTOWN - (KRYV)
73°
Clear
as of 2:55 PM CDST
Rel. Humidity: 25%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
MADISON - (KMSN)
73°
Clear
as of 2:53 PM CDST
Rel. Humidity: 27%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
10 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
JANESVILLE - (KJVL)
75°
Clear
as of 2:45 PM CDST
Rel. Humidity: 19%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 17 MPH
100° East
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 48. Southeast wind 5 to 10 mph becoming light after midnight.
Sunny on Monday Monday... Sunny, with a high near 81. Light southeast wind increasing to 5 to 10 mph in the morning.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 58. East wind 5 to 10 mph.
40% chance of thunderstorms Tuesday Tuesday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.
30% chance of thunderstorms Wednesday Wednesday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 60. Southeast wind 5 to 10 mph.
50% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 10 to 15 mph. Chance of precipitation is 50%.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 58.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Breezy.
20% chance of thunderstorms Friday Night Friday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 66.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 45.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 65.
Sun Almanac for Sylvan Mounds, Wisconsin
Sunrise: 05:36 AM
Sunset: 8:08 PM
Civil Sunrise:05:04 AM
Civil Sunset: 8:41 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:21 PM
Astro Sunrise: 03:38 AM
Astro Sunset: 10:06 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.