Live Weather & Forecast

Weather in Prairie du Sac

Wisconsin, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
20°C
Feels like 20°C
68°F / Feels 68°F
Partly cloudy
Prairie du Sac, Wisconsin
🌞 Daytime
Updated: 2026-04-15 14:30
💧
Humidity
65%
💨
Wind
9.4 km/h W
🌬️
Wind Gust
13.5 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
16 km
☀️
UV Index
1.7 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
16.9°C
🌐
Wind Degree
263°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
180.9 μg/m³
NO₂
7.6 μg/m³
O₃
67 μg/m³
SO₂
1.4 μg/m³
PM 2.5
7.6 μg/m³
PM 10
8.6 μg/m³

Weather Alerts 5

Met · Severe · Future
Flood Watch issued April 15 at 4:13AM CDT until April 19 at 2:42AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Watch continues for the following rivers in Wisconsin... Wisconsin River At Wisconsin Dells affecting Columbia and Sauk Counties. * WHAT...Flooding is possible. * WHERE...Wisconsin River at Wisconsin Dells. * WHEN...From Thursday morning to early Sunday morning. * IMPACTS...At 17.6 feet, Floodwaters affect cabins and trailers southeast of Wisconsin Dells along Levee Road, Van Hoo...

Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued this after...

Met · Severe · Future
Flood Watch issued April 15 at 11:19AM CDT until April 19 at 11:00AM CDT by NWS Milwaukee/Sullivan WI

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Watch for the following rivers in Wisconsin... Fox River Lower At Waukesha affecting Waukesha County. ...The Flood Watch is extended for the following rivers in Wisconsin... Fox River Near Berlin affecting Green Lake County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the...

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued this eveni...

Met · Severe · Future
Flood Watch issued April 15 at 11:17AM CDT until April 16 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Areal flooding and flash flooding caused by excessive rainfall from thunderstorms is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, D...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Immediate
Flood Warning issued April 14 at 10:13PM CDT until April 20 at 11:00PM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin... Sheboygan River At Sheboygan affecting Sheboygan County. ...The Flood Warning is extended for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wisconsin River at Portage. * WHEN...Until late Monday...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The...

Met · Severe · Immediate
Flood Warning issued April 15 at 4:13AM CDT until April 20 at 11:00PM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wisconsin River at Portage. * WHEN...Until late Monday evening. * IMPACTS...At 20.5 feet, Indian trail in Lake Delton area is flooded. Other roads that are flooded are River Oaks Road in...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at...

Today's Hourly Forecast

24-hour breakdown for Prairie du Sac, Wisconsin

12 AM
Mist
17°
Mist
💧 96% 💨 6.1 km/h 🌧️ 100%
1 AM
Mist
17°
Mist
💧 96% 💨 5.4 km/h
2 AM
Mist
16°
Mist
💧 94% 💨 0.4 km/h
3 AM
Mist
16°
Mist
💧 95% 💨 6.1 km/h
4 AM
Mist
16°
Mist
💧 95% 💨 8.3 km/h
5 AM
Mist
16°
Mist
💧 96% 💨 8.3 km/h
6 AM
Light drizzle
16°
Light drizzle
💧 96% 💨 11.2 km/h 🌧️ 100%
7 AM
Mist
16°
Mist
💧 95% 💨 8.3 km/h
8 AM
Mist
17°
Mist
💧 94% 💨 1.4 km/h
9 AM
Overcast
18°
Overcast
💧 94% 💨 5 km/h
10 AM
Overcast
18°
Overcast
💧 92% 💨 6.8 km/h
11 AM
Overcast
19°
Overcast
💧 87% 💨 10.8 km/h
12 PM
Overcast
19°
Overcast
💧 86% 💨 9.4 km/h
1 PM
Cloudy
20°
Cloudy
💧 83% 💨 11.5 km/h
2 PM
Partly cloudy
20°
Partly cloudy
💧 65% 💨 9.4 km/h
3 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 75% 💨 10.4 km/h 🌧️ 70%
4 PM
Light rain
20°
Light rain
💧 94% 💨 11.9 km/h 🌧️ 100%
5 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 90% 💨 8.6 km/h 🌧️ 76%
6 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 90% 💨 8.6 km/h 🌧️ 100%
7 PM
Light rain
18°
Light rain
💧 92% 💨 5.8 km/h 🌧️ 100%
8 PM
Heavy rain at times
17°
Heavy rain at times
💧 93% 💨 5.8 km/h 🌧️ 100%
9 PM
Moderate rain
17°
Moderate rain
💧 97% 💨 7.6 km/h 🌧️ 100%
10 PM
Light rain
16°
Light rain
💧 96% 💨 5.8 km/h 🌧️ 100%
11 PM
Moderate rain
15°
Moderate rain
💧 93% 💨 4 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Prairie du Sac, Wisconsin

Today
Heavy rain
Heavy rain
21° / 15°
🌧️ 89% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 27.52 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
20° / 11°
🌧️ 84% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 12.25 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Heavy rain
Heavy rain
25° / 11°
🌧️ 82% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 32.78 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:45 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Prairie du Sac

Plan your trip to Prairie du Sac, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Prairie du Sac 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Prairie du Sac?
Current conditions in Prairie du Sac: Partly cloudy, temperature 20°C, humidity 65%.
What is the best time to visit Prairie du Sac?
The best time to visit Prairie du Sac is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Prairie du Sac?
Prairie du Sac is located at approximately 43.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Prairie du Sac?
The wettest period in Prairie du Sac is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Prairie du Sac?
For visits to Prairie du Sac during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Prairie du Sac in?
Prairie du Sac is located in United States, in the state of Wisconsin.
What are the public holidays in Prairie du Sac in 2026?
View the 2026 public holidays for Prairie du Sac on our Holidays page.
What are the GPS coordinates used for the weather forecast in Prairie du Sac?
The weather forecast for Prairie du Sac uses coordinates 43.292, -89.7222.