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Prairie du Sac, Wisconsin Weather Forecast
Prairie du Sac, Wisconsin Weather
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Weather Forecast for Prairie du Sac, Wisconsin : Sauk County
Issued: 1:52 am CST Dec 7, 2025 Latitude: 43.2869331 Longitude: -89.7240116 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
90% chance of snow on Overnight Partly Sunny on Sunday Mostly Cloudy on Monday 30% chance of rain & snow on Tuesday 30% chance of snow on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 13°F High: 18°F High: 23°F High: 36°F High: 33°F High: 23°F High: 14°F High: 10°F
Low: 0 °F Low: 18 °F Low: 28°F Low: 11°F Low: 2°F Low: -4°F  
Snow Partly Sunny Mostly Cloudy Rain & Snow Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
BARABOO - (KDLL)
21°
Cloudy
Light Snow
as of 1:35 AM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 1 3/4 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
MADISON - (KMSN)
21°
Cloudy
Light Snow Mist
as of 1:11 AM CST
Rel. Humidity: 100%
Dew Point: 21°F
Visibility: 1 1/4 Miles
Pressure: 30.01 in.
Flight Rule: IFR
Wind Data
3 MPH
0° North
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
LONE ROCK - (KLNR)
23°
Cloudy
Light Snow Mist
as of 12:56 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 1 Miles
Pressure: 30.03 in.
Flight Rule: IFR
Wind Data
3 MPH
010° North
Cloud Level(s): Solid Overcast at 2200ft
90% chance of snow Overnight Overnight... Snow, mainly before 5am. Low around 13. North wind around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

Partly Sunny on Sunday Sunday... Partly sunny, then gradually becoming sunny, with a high near 18. North wind 5 to 10 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 0. North wind around 5 mph becoming calm.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 23. Light southeast wind becoming south 5 to 10 mph in the morning.

50% chance of snow Monday Night Monday Night... A 50 percent chance of snow. Mostly cloudy, with a temperature falling to near 18 by 8pm, then rising to around 25 during the remainder of the night. South wind 10 to 15 mph.

30% chance of rain & snow Tuesday Tuesday... A chance of rain and snow after noon. Cloudy, with a high near 36. Southwest wind around 10 mph. Chance of precipitation is 30%.

90% chance of rain & snow Tuesday Night Tuesday Night... Rain and snow. Low around 28. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

30% chance of snow Wednesday Wednesday... A 30 percent chance of snow before noon. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph.

20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 11.

30% chance of snow Thursday Thursday... A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 23.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 2.

Partly Sunny on Friday Friday... Partly sunny, with a high near 14.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -4.

Partly Sunny on Saturday Saturday... Partly sunny and cold, with a high near 10.

Sun Almanac for Prairie du Sac, Wisconsin
Sunrise: 07:18 AM
Sunset: 4:23 PM
Civil Sunrise:06:46 AM
Civil Sunset: 4:55 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:06 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.