Live Weather & Forecast

Weather in La Grange

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

Flag of United States
Overcast
18°C
Feels like 18°C
65°F / Feels 65°F
Overcast
La Grange, Illinois
🌞 Daytime
Updated: 2026-04-15 09:30
💧
Humidity
78%
💨
Wind
15.5 km/h SSW
🌬️
Wind Gust
23.4 km/h
🌡️
Pressure
1009 mb
👁️
Visibility
16 km
☀️
UV Index
0.1 (Low)
🌧️
Precipitation
4.39 mm
☁️
Cloud Cover
100%
💦
Dew Point
17.4°C
🌐
Wind Degree
210°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
145.9 μg/m³
NO₂
5.4 μg/m³
O₃
77 μg/m³
SO₂
3.1 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.5 μg/m³

Weather Alerts 5

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 14 at 7:11PM CDT until April 15 at 6:00AM CDT by NWS Chicago IL

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following area, Lake IN. * WHEN...Until 6 AM CDT Wednesday. * IMPAC...

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take ac...

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...

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...

Met · Severe · Future
Flood Watch issued April 15 at 5:15AM CDT until April 16 at 1:00AM CDT by NWS Chicago IL

* WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following area, Lake IN. * WHEN...Through late tonight. * IMPA...

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take ac...

Today's Hourly Forecast

24-hour breakdown for La Grange, Illinois

12 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 71% 💨 21.2 km/h 🌧️ 64%
1 AM
Clear
22°
Clear
💧 78% 💨 15.1 km/h
2 AM
Clear
22°
Clear
💧 77% 💨 14.8 km/h
3 AM
Clear
22°
Clear
💧 77% 💨 20.5 km/h
4 AM
Clear
21°
Clear
💧 76% 💨 14 km/h
5 AM
Clear
20°
Clear
💧 81% 💨 12.2 km/h
6 AM
Moderate rain at times
20°
Moderate rain at times
💧 92% 💨 19.1 km/h 🌧️ 100%
7 AM
Patchy light rain
20°
Patchy light rain
💧 91% 💨 18.4 km/h 🌧️ 100%
8 AM
Moderate rain at times
20°
Moderate rain at times
💧 87% 💨 18 km/h 🌧️ 100%
9 AM
Overcast
18°
Overcast
💧 78% 💨 15.5 km/h 🌧️ 100%
10 AM
Patchy rain nearby
20°
Patchy rain nearby
💧 94% 💨 19.1 km/h 🌧️ 100%
11 AM
Partly Cloudy
21°
Partly Cloudy
💧 88% 💨 17.6 km/h
12 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 87% 💨 14 km/h 🌧️ 76%
1 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 80% 💨 17.3 km/h 🌧️ 72%
2 PM
Sunny
23°
Sunny
💧 78% 💨 17.6 km/h
3 PM
Partly Cloudy
24°
Partly Cloudy
💧 76% 💨 19.1 km/h
4 PM
Sunny
23°
Sunny
💧 73% 💨 20.5 km/h
5 PM
Sunny
23°
Sunny
💧 75% 💨 19.4 km/h
6 PM
Sunny
23°
Sunny
💧 78% 💨 21.2 km/h
7 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 79% 💨 19.4 km/h
8 PM
Overcast
20°
Overcast
💧 90% 💨 14 km/h
9 PM
Overcast
20°
Overcast
💧 94% 💨 11.5 km/h
10 PM
Cloudy
20°
Cloudy
💧 87% 💨 13 km/h
11 PM
Overcast
20°
Overcast
💧 97% 💨 15.1 km/h

3-Day Forecast

Daily overview for La Grange, Illinois

Today
Moderate rain
Moderate rain
24° / 19°
🌧️ 86% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 12.89 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
Patchy rain nearby
25° / 12°
🌧️ 77% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 23 km/h
🌧️ Total precip: 4.68 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Fog
Fog
27° / 10°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:08 AM
🌇 Sunset: 07:35 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit La Grange

Plan your trip to La Grange, 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 La Grange 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in La Grange?
Current conditions in La Grange: Overcast, temperature 18°C, humidity 78%.
What is the best time to visit La Grange?
The best time to visit La Grange is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in La Grange?
La Grange is located at approximately 41.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in La Grange?
The wettest period in La Grange is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to La Grange?
For visits to La Grange during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is La Grange in?
La Grange is located in United States, in the state of Illinois.
What are the public holidays in La Grange in 2026?
View the 2026 public holidays for La Grange on our Holidays page.
What are the GPS coordinates used for the weather forecast in La Grange?
The weather forecast for La Grange uses coordinates 41.8148, -87.8736.