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Weather Conditions for Lake Mills, Wisconsin : Jefferson County
Issued: 5:17 pm CDT Sep 4, 2026 Latitude: 43.0813888 Longitude: -88.9117742 View on Google Maps

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Tonight Saturday Sunday Labor Day Tuesday Wednesday Thursday Friday
40% chance of thunderstorms on Tonight Morning Fog on Saturday Mostly Sunny on Sunday Mostly Sunny on Labor Day 20% chance of  on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of  on Friday
Low: 69°F High: 82°F High: 80°F High: 80°F High: 84°F High: 85°F High: 77°F High: 78°F
Low: 59°F Low: 58°F Low: 61°F Low: 69°F Low: 61°F Low: 56°F  
Thunderstorms Morning Fog Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Partly Sunny
Current Conditions at
WATERTOWN - (KRYV)
64°
Clear
as of 7:15 PM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
MADISON - (KMSN)
66°
Mostly Cloudy
as of 6:53 PM CDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
7 MPH
120° Southeast
Cloud Level(s): Broken at 17000ft, Broken at 25000ft
Current Conditions at
JUNEAU - (KUNU)
64°
Clear
as of 7:15 PM CDST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
7 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
WAUKESHA - (KUES)
64°
Mostly Cloudy
as of 6:45 PM CDST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
9 MPH
070° East
Cloud Level(s): Broken at 3700ft
40% chance of thunderstorms Tonight Tonight... A 40 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.

Morning Fog on Saturday Saturday... Areas of fog before 10am. Otherwise, partly sunny, with a high near 82. Northeast wind around 5 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 80. Calm wind becoming east around 5 mph in the morning.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

Mostly Sunny on Labor Day Labor Day... Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 61. Southeast wind around 5 mph.

20% chance of  Tuesday Tuesday... A 20 percent chance of showers. Partly sunny, with a high near 84. South wind 5 to 10 mph.

60% chance of thunderstorms Tuesday Night Tuesday Night... A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 85.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 61.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 77.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers. Partly cloudy, with a low around 56.

20% chance of  Friday Friday... A 20 percent chance of showers. Partly sunny, with a high near 78.

Wisconsin's Warnings, Watches, and AdvisoriesWisconsin's Watches, Warnings, and Advisories

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Sun Almanac for Lake Mills, Wisconsin
Astronomical Sunrise 05:00 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 05:35 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:08 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 06:37 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 27 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:04 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:33 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:06 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 8:41 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 25 Minutes
Nautical Rise to Set: 14 Hours 31 Minutes
Astro Rise to Set: 15 Hours 41 Minutes

Click for yearly Sun Almanac for Lake Mills
Moon Almanac for Lake Mills, Wisconsin
Moon Phase: Waxing Crescent
Moon Illumination: 33%
Moon Age: 5.73 Days
Moon is currently above the horizon
Distance from Moon to Earth: 250,512 miles
Upcoming Lunar Events for
Lake Mills:
Next EventEvent TimeIllum

Moonset:09:29 pm Wed33.1%
Moonrise:01:49 pm Thu39.4%
High Moon:06:01 pm Thu41.0%
Moonset:10:11 pm Thu42.7%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac