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Weather Conditions for Swan, Wisconsin : Marathon County
Issued: 8:47 pm CDT Sep 7, 2026 Latitude: 44.9310774 Longitude: -90.1190219 View on Google Maps

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Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
30% chance of thunderstorms on Tonight 80% chance of thunderstorms on Tuesday Mostly Cloudy on Wednesday Sunny on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday 30% chance of  on Sunday 50% chance of thunderstorms on Monday
Low: 59°F High: 75°F High: 76°F High: 74°F High: 78°F High: 75°F High: 69°F High: 69°F
Low: 63°F Low: 49°F Low: 50°F Low: 57°F Low: 49°F Low: 48°F  
Thunderstorms Thunderstorms Mostly Cloudy Sunny Rain Rain Partly Sunny Thunderstorms
Current Conditions at
MEDFORD - (KMDZ)
55°
Cloudy
as of 1:15 AM CDST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: IFR
Wind Data
9 MPH
160° South
Cloud Level(s): Broken at 900ft, Solid Overcast at 2300ft
Current Conditions at
MARSHFIELD - (KMFI)
55°
Cloudy
Rain Mist
as of 1:11 AM CDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 6 Miles
Pressure: 29.88 in.
Flight Rule: MVFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
MOSINEE - (KCWA)
55°
Cloudy
Thunderstorm In Vicinity Rain
as of 1:15 AM CDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
10 MPH
160° South
Cloud Level(s): Few at 600ft, Broken at 2500ft, Solid Overcast at 2900ft
Current Conditions at
MERRILL MUNICIPAL - (KRRL)
59°
Cloudy
as of 1:15 AM CDST
Rel. Humidity: 93%
Dew Point: 57°F
Pressure: 29.88 in.
Wind Data
5 MPH
160° South
Cloud Level(s): Broken at 900ft, Broken at 1300ft, Solid Overcast at 1900ft
30% chance of thunderstorms Tonight Tonight... A slight chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 59. South southeast wind 8 to 10 mph. Chance of precipitation is 30%.

80% chance of thunderstorms Tuesday Tuesday... Showers and thunderstorms likely before 9am, then showers and possibly a thunderstorm between 9am and 11am, then a chance of showers and thunderstorms after 11am. High near 75. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

50% chance of thunderstorms Tuesday Night Tuesday Night... A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 63. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 76. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 49. West northwest wind 5 to 14 mph, with gusts as high as 18 mph.

Sunny on Thursday Thursday... Sunny, with a high near 74.

Clear on Thursday Night Thursday Night... Clear, with a low around 50.

20% chance of rain Friday Friday... A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78.

60% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

20% chance of rain Saturday Saturday... A 20 percent chance of showers. Mostly sunny, with a high near 75.

20% chance of thunderstorms Saturday Night Saturday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49.

30% chance of  Sunday Sunday... A 30 percent chance of showers. Partly sunny, with a high near 69.

40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 48.

50% chance of thunderstorms Monday Monday... A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.

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

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Sun Almanac for Swan, Wisconsin
Astronomical Sunrise 16:59 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 17:35 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 18:10 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 18:40 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: 0 Hours 32 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 07:12 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 07:41 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 08:16 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 08:52 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: 1 Hours 31 Minutes
Nautical Rise to Set: 2 Hours 41 Minutes
Astro Rise to Set: 3 Hours 53 Minutes

Click for yearly Sun Almanac for Swan
Moon Almanac for Swan, Wisconsin
Moon Phase: Waxing Crescent
Moon Illumination: 18%
Moon Age: 4.13 Days
Moon is currently below the horizon
Distance from Moon to Earth: 247,362 miles
Upcoming Lunar Events for
Swan:
Next EventEvent TimeIllum

Moonrise:12:53 pm Tue21.3%
High Moon:05:26 pm Tue22.9%
Moonset:09:52 pm Tue24.4%
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