Live Weather & Forecast

Weather in Lake Bluff

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

Flag of United States
Overcast
21°C
Feels like 21°C
70°F / Feels 70°F
Overcast
Lake Bluff, Illinois
🌙 Nighttime
Updated: 2026-04-15 20:45
💧
Humidity
78%
💨
Wind
21.2 km/h SSW
🌬️
Wind Gust
44.5 km/h
🌡️
Pressure
1006 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
15.4°C
🌐
Wind Degree
209°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
195.9 μg/m³
NO₂
7.4 μg/m³
O₃
65 μg/m³
SO₂
2 μg/m³
PM 2.5
3.7 μg/m³
PM 10
3.9 μg/m³

Weather Alerts 5

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 · Expected
Flood Warning issued April 15 at 6:19AM CDT by NWS Chicago IL

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russe...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Met · Severe · Expected
Flood Warning issued April 15 at 6:19AM CDT by NWS Chicago IL

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. For the Des Plaines River...including Russe...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

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 · Severe · Expected
Flood Warning issued April 15 at 10:43AM CDT by NWS Chicago IL

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. ...Forecast flooding changed from Minor to Moderate severity for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. For the Fox River (Illinois)......

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Today's Hourly Forecast

24-hour breakdown for Lake Bluff, Illinois

12 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 87% 💨 21.6 km/h 🌧️ 100%
1 AM
Overcast
14°
Overcast
💧 99% 💨 13 km/h
2 AM
Overcast
14°
Overcast
💧 99% 💨 8.3 km/h
3 AM
Partly Cloudy
14°
Partly Cloudy
💧 93% 💨 18 km/h
4 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 94% 💨 18 km/h 🌧️ 100%
5 AM
Clear
16°
Clear
💧 89% 💨 20.2 km/h
6 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 80% 💨 26.3 km/h 🌧️ 100%
7 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 86% 💨 16.6 km/h 🌧️ 100%
8 AM
Moderate rain at times
16°
Moderate rain at times
💧 91% 💨 15.8 km/h 🌧️ 100%
9 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 90% 💨 12.6 km/h 🌧️ 100%
10 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 88% 💨 18.4 km/h 🌧️ 100%
11 AM
Sunny
19°
Sunny
💧 83% 💨 19.4 km/h
12 PM
Sunny
20°
Sunny
💧 79% 💨 18.4 km/h
1 PM
Sunny
19°
Sunny
💧 82% 💨 18.4 km/h
2 PM
Sunny
19°
Sunny
💧 81% 💨 21.6 km/h
3 PM
Partly Cloudy
21°
Partly Cloudy
💧 79% 💨 23 km/h
4 PM
Sunny
21°
Sunny
💧 77% 💨 23.4 km/h
5 PM
Sunny
22°
Sunny
💧 78% 💨 22.3 km/h
6 PM
Sunny
21°
Sunny
💧 79% 💨 23 km/h
7 PM
Sunny
19°
Sunny
💧 85% 💨 21.6 km/h
8 PM
Overcast
21°
Overcast
💧 78% 💨 21.2 km/h
9 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 87% 💨 20.2 km/h 🌧️ 100%
10 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 88% 💨 19.8 km/h 🌧️ 61%
11 PM
Patchy rain nearby
17°
Patchy rain nearby
💧 82% 💨 20.2 km/h 🌧️ 85%

3-Day Forecast

Daily overview for Lake Bluff, Illinois

Today
Moderate rain
Moderate rain
22° / 12°
🌧️ 85% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 8.9 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
16° /
🌧️ 83% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 12.21 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
Overcast
20° /
🌧️ 0% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 27 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:35 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Lake Bluff

Plan your trip to Lake Bluff, 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 Lake Bluff 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Lake Bluff?
Current conditions in Lake Bluff: Overcast, temperature 21°C, humidity 78%.
What is the best time to visit Lake Bluff?
The best time to visit Lake Bluff is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Lake Bluff?
Lake Bluff is located at approximately 42.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Lake Bluff?
The wettest period in Lake Bluff is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Lake Bluff?
For visits to Lake Bluff during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Lake Bluff in?
Lake Bluff is located in United States, in the state of Illinois.
What are the public holidays in Lake Bluff in 2026?
View the 2026 public holidays for Lake Bluff on our Holidays page.
What are the GPS coordinates used for the weather forecast in Lake Bluff?
The weather forecast for Lake Bluff uses coordinates 42.2789, -87.8342.