Live Weather & Forecast

Weather in Union Grove

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

Flag of United States
Partly cloudy
21°C
Feels like 21°C
70°F / Feels 70°F
Partly cloudy
Union Grove, Wisconsin
🌞 Daytime
Updated: 2026-04-15 16:15
💧
Humidity
73%
💨
Wind
24.1 km/h SW
🌬️
Wind Gust
37.7 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
16 km
☀️
UV Index
2.8 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
17.6°C
🌐
Wind Degree
223°

Air Quality Index

US EPA: Good UK DEFRA: Low (2)
CO
193.9 μg/m³
NO₂
33.3 μg/m³
O₃
33 μg/m³
SO₂
3.3 μg/m³
PM 2.5
13.6 μg/m³
PM 10
13.9 μg/m³

Weather Alerts 5

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 · Future
Flood Watch issued April 15 at 4:15AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Watch continues for the following rivers in Wisconsin... Illinois... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Water is up to the first floor levels of some homes in the Town of Wheatland and Village of Salem Lakes area al...

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 · Immediate
Flood Warning issued April 15 at 11:19AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Moderate flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Floodwaters are into the lower levels of some homes in the Town of Wheatland and Village of Salem Lak...

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 evening at 1130 PM CDT.

Met · Unknown · Future
Hydrologic Outlook issued April 14 at 12:33PM CDT by NWS Chicago IL

ESFLOT Waves of showers and thunderstorms are expected this evening through the end of the week. Urban and river flooding will be possible. Atmospheric conditions are favorable for some thunderstorms to have rainfall rates in excess of 1 to 2 inches per hour tonight and tomorrow. In addition, some rivers and streams remain elevated from recent rainfall and soil moisture is elevated across most o...

Met · Severe · Future
Flood Watch issued April 15 at 12:24AM CDT by NWS Chicago IL

...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Central Cook and Northern Cook zones. Des Plaines River near Russell affecting Lake IL zone. Des Plaines River at Lincolnshire affecting Lake IL and Northern Cook zones. For the Des Plaines River...including Russell, Lincolnshire, Des Plain...

A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. These forecasts are based on observ...

Today's Hourly Forecast

24-hour breakdown for Union Grove, Wisconsin

12 AM
Moderate rain at times
17°
Moderate rain at times
💧 94% 💨 10.1 km/h 🌧️ 100%
1 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 96% 💨 9 km/h 🌧️ 100%
2 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 89% 💨 8.6 km/h 🌧️ 100%
3 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 90% 💨 14.8 km/h 🌧️ 100%
4 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 93% 💨 15.8 km/h 🌧️ 100%
5 AM
Clear
17°
Clear
💧 93% 💨 16.9 km/h
6 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 86% 💨 26.3 km/h 🌧️ 100%
7 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 94% 💨 29.5 km/h 🌧️ 100%
8 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 92% 💨 20.5 km/h 🌧️ 100%
9 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 91% 💨 21.2 km/h 🌧️ 74%
10 AM
Partly Cloudy
19°
Partly Cloudy
💧 90% 💨 21.6 km/h
11 AM
Overcast
20°
Overcast
💧 87% 💨 18.7 km/h
12 PM
Cloudy
20°
Cloudy
💧 85% 💨 18.4 km/h
1 PM
Partly Cloudy
20°
Partly Cloudy
💧 79% 💨 21.2 km/h
2 PM
Partly Cloudy
21°
Partly Cloudy
💧 84% 💨 23.4 km/h
3 PM
Sunny
21°
Sunny
💧 85% 💨 20.5 km/h
4 PM
Partly cloudy
21°
Partly cloudy
💧 73% 💨 24.1 km/h
5 PM
Partly Cloudy
21°
Partly Cloudy
💧 82% 💨 28.1 km/h
6 PM
Cloudy
22°
Cloudy
💧 85% 💨 28.8 km/h
7 PM
Sunny
20°
Sunny
💧 88% 💨 23.4 km/h
8 PM
Moderate rain at times
19°
Moderate rain at times
💧 93% 💨 20.2 km/h 🌧️ 100%
9 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 92% 💨 19.1 km/h 🌧️ 100%
10 PM
Heavy rain
17°
Heavy rain
💧 97% 💨 17.3 km/h 🌧️ 100%
11 PM
Patchy rain nearby
16°
Patchy rain nearby
💧 92% 💨 16.6 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Union Grove, Wisconsin

Today
Heavy rain
Heavy rain
22° / 16°
🌧️ 89% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 31.27 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
15° /
🌧️ 75% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 9.04 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
Overcast
23° /
🌧️ 0% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 35.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:37 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Union Grove

Plan your trip to Union Grove, 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 Union Grove 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Union Grove?
Current conditions in Union Grove: Partly cloudy, temperature 21°C, humidity 73%.
What is the best time to visit Union Grove?
The best time to visit Union Grove is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Union Grove?
Union Grove is located at approximately 42.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Union Grove?
The wettest period in Union Grove is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Union Grove?
For visits to Union Grove during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Union Grove in?
Union Grove is located in United States, in the state of Wisconsin.
What are the public holidays in Union Grove in 2026?
View the 2026 public holidays for Union Grove on our Holidays page.
What are the GPS coordinates used for the weather forecast in Union Grove?
The weather forecast for Union Grove uses coordinates 42.6877, -88.0518.