Live Weather & Forecast

Weather in Sauk City

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

Flag of United States
Partly cloudy
6°C
Feels like 2°C
43°F / Feels 35°F
Partly cloudy
Sauk City, Wisconsin
🌙 Nighttime
Updated: 2026-04-18 05:00
💧
Humidity
68%
💨
Wind
26.3 km/h WNW
🌬️
Wind Gust
36.8 km/h
🌡️
Pressure
1006 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
-1.1°C
🌐
Wind Degree
303°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
164.9 μg/m³
NO₂
2.6 μg/m³
O₃
76 μg/m³
SO₂
1.3 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.6 μg/m³

Weather Alerts 5

Met · Severe · Future
Flash Flood Watch issued April 17 at 5:15PM CDT until April 19 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipat...

PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued...

Met · Severe · Future
Flood Watch issued April 17 at 5:15PM CDT until April 18 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipat...

PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued...

Met · Severe · Immediate
Flood Warning issued April 17 at 4:09PM CDT until April 22 at 3:24AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning is extended for the following rivers in Wisconsin... Wisconsin River At Wisconsin Dells affecting Sauk and Columbia Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. Baraboo River Near Baraboo affecting Sauk and Colu...

To escape rising water, take the shortest path to higher ground. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go anot...

Met · Severe · Future
Flash Flood Watch issued April 18 at 12:10AM CDT until April 19 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipat...

PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials.

Met · Severe · Immediate
Flood Warning issued April 17 at 10:15PM CDT until April 22 at 1:00AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin... Baraboo River Near Baraboo affecting Columbia and Sauk Counties. Milwaukee River Near Cedarburg affecting Ozaukee County. Crawfish River At Milford affecting Jefferson County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Baraboo River near Baraboo. * WHEN...Until early Wednesday morning....

To escape rising water, take the shortest path to higher ground. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Even 6 inches of fast-moving flood water c...

Today's Hourly Forecast

24-hour breakdown for Sauk City, Wisconsin

12 AM
Patchy rain nearby
10°
Patchy rain nearby
💧 90% 💨 30.2 km/h 🌧️ 84%
1 AM
Patchy light drizzle
Patchy light drizzle
💧 86% 💨 27 km/h 🌧️ 100%
2 AM
Clear
Clear
💧 81% 💨 24.8 km/h
3 AM
Clear
Clear
💧 78% 💨 26.3 km/h
4 AM
Clear
Clear
💧 76% 💨 24.8 km/h
5 AM
Partly cloudy
Partly cloudy
💧 68% 💨 26.3 km/h
6 AM
Clear
Clear
💧 77% 💨 25.2 km/h
7 AM
Sunny
Sunny
💧 77% 💨 23.8 km/h
8 AM
Overcast
Overcast
💧 79% 💨 25.2 km/h
9 AM
Overcast
Overcast
💧 74% 💨 30.2 km/h
10 AM
Cloudy
Cloudy
💧 70% 💨 30.2 km/h
11 AM
Partly Cloudy
Partly Cloudy
💧 67% 💨 29.2 km/h
12 PM
Overcast
Overcast
💧 65% 💨 30.6 km/h
1 PM
Overcast
Overcast
💧 65% 💨 30.2 km/h
2 PM
Overcast
Overcast
💧 65% 💨 31.3 km/h
3 PM
Overcast
Overcast
💧 64% 💨 32 km/h
4 PM
Overcast
Overcast
💧 65% 💨 31 km/h
5 PM
Overcast
Overcast
💧 64% 💨 27.7 km/h
6 PM
Patchy rain nearby
Patchy rain nearby
💧 50% 💨 26.6 km/h 🌧️ 89%
7 PM
Sunny
Sunny
💧 50% 💨 23 km/h
8 PM
Clear
Clear
💧 50% 💨 18.7 km/h
9 PM
Clear
Clear
💧 55% 💨 13 km/h
10 PM
Clear
Clear
💧 61% 💨 10.1 km/h
11 PM
Clear
Clear
💧 63% 💨 9.7 km/h

3-Day Forecast

Daily overview for Sauk City, Wisconsin

Today
Patchy rain nearby
Patchy rain nearby
/
🌧️ 89% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 32 km/h
🌧️ Total precip: 0.19 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:46 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Sun, Apr 19
Patchy rain nearby
Patchy rain nearby
/ -1°
🌧️ 87% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0.63 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:47 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Sunny
Sunny
12° / -2°
🌧️ 0% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:08 AM
🌇 Sunset: 07:48 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit

Best Time to Visit Sauk City

Plan your trip to Sauk City, 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 Sauk City 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Sauk City?
Current conditions in Sauk City: Partly cloudy, temperature 6°C, humidity 68%.
What is the best time to visit Sauk City?
The best time to visit Sauk City is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sauk City?
Sauk City is located at approximately 43.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sauk City?
The wettest period in Sauk City is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sauk City?
For visits to Sauk City during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sauk City in?
Sauk City is located in United States, in the state of Wisconsin.
What are the public holidays in Sauk City in 2026?
View the 2026 public holidays for Sauk City on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sauk City?
The weather forecast for Sauk City uses coordinates 43.2716, -89.7227.