Live Weather & Forecast

Weather in Carol Stream

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

Flag of United States
Light rain
15°C
Feels like 15°C
59°F / Feels 59°F
Light rain
Carol Stream, Illinois
🌙 Nighttime
Updated: 2026-04-16 00:00
💧
Humidity
93%
💨
Wind
23.4 km/h SW
🌬️
Wind Gust
38.7 km/h
🌡️
Pressure
1010 mb
👁️
Visibility
8 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0.26 mm
☁️
Cloud Cover
100%
💦
Dew Point
14.1°C
🌐
Wind Degree
217°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
154.9 μg/m³
NO₂
9.5 μg/m³
O₃
56 μg/m³
SO₂
3 μg/m³
PM 2.5
6.3 μg/m³
PM 10
6.6 μg/m³

Weather Alerts 5

Met · Severe · Future
Flood Watch issued April 15 at 1:30PM CDT until April 16 at 1:00AM CDT by NWS Chicago IL

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Lake IL, Lee, Livingston, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following a...

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 · 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...

Met · Severe · Expected
Flood Warning issued April 15 at 10:43AM CDT until April 18 at 7:00AM 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...

Met · Severe · Expected
Flood Warning issued April 15 at 10:32AM 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 Des Plaines affecting Cook County. Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. For the Des Plaines River...including Lincolnshire, Des Plaines, River Forest, Riverside...Moderate flooding is forecast. * WHAT...Moderate flooding is fo...

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 · Future
Flood Watch issued April 15 at 10:32AM CDT until April 19 at 10:00AM 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 at Riverside affecting Central Cook zone. Des Plaines River at River Forest affecting Central Cook zone. ...The Flood Watch is replaced by a River Flood Warning for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Northern Cook and Lake...

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 Carol Stream, Illinois

12 AM
Patchy light drizzle
17°
Patchy light drizzle
💧 87% 💨 30.2 km/h 🌧️ 100%
1 AM
Light rain
15°
Light rain
💧 93% 💨 23.4 km/h 🌧️ 100%
2 AM
Clear
16°
Clear
💧 90% 💨 23 km/h
3 AM
Light drizzle
16°
Light drizzle
💧 95% 💨 20.5 km/h 🌧️ 100%
4 AM
Light rain
16°
Light rain
💧 94% 💨 18 km/h 🌧️ 100%
5 AM
Light drizzle
16°
Light drizzle
💧 93% 💨 18.4 km/h 🌧️ 100%
6 AM
Overcast
17°
Overcast
💧 94% 💨 16.2 km/h
7 AM
Overcast
17°
Overcast
💧 95% 💨 14.8 km/h
8 AM
Cloudy
17°
Cloudy
💧 91% 💨 18.7 km/h
9 AM
Overcast
17°
Overcast
💧 86% 💨 21.6 km/h
10 AM
Overcast
17°
Overcast
💧 83% 💨 20.2 km/h
11 AM
Overcast
17°
Overcast
💧 87% 💨 18.7 km/h
12 PM
Overcast
19°
Overcast
💧 84% 💨 18.7 km/h
1 PM
Partly Cloudy
19°
Partly Cloudy
💧 70% 💨 18.7 km/h
2 PM
Partly Cloudy
19°
Partly Cloudy
💧 75% 💨 20.2 km/h
3 PM
Sunny
20°
Sunny
💧 73% 💨 20.9 km/h
4 PM
Sunny
20°
Sunny
💧 68% 💨 19.8 km/h
5 PM
Partly Cloudy
20°
Partly Cloudy
💧 68% 💨 16.9 km/h
6 PM
Partly Cloudy
20°
Partly Cloudy
💧 70% 💨 12.6 km/h
7 PM
Sunny
18°
Sunny
💧 81% 💨 8.3 km/h
8 PM
Mist
17°
Mist
💧 95% 💨 6.8 km/h
9 PM
Fog
16°
Fog
💧 99% 💨 7.9 km/h
10 PM
Fog
15°
Fog
💧 99% 💨 9 km/h
11 PM
Fog
14°
Fog
💧 99% 💨 9.4 km/h

3-Day Forecast

Daily overview for Carol Stream, Illinois

Today
Patchy rain nearby
Patchy rain nearby
21° / 14°
🌧️ 88% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 2.59 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
Patchy rain nearby
27° / 11°
🌧️ 80% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 4.05 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:36 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Heavy rain
Heavy rain
12° /
🌧️ 87% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 92.99 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:37 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit

Best Time to Visit Carol Stream

Plan your trip to Carol Stream, 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 Carol Stream 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Carol Stream?
Current conditions in Carol Stream: Light rain, temperature 15°C, humidity 93%.
What is the best time to visit Carol Stream?
The best time to visit Carol Stream is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Carol Stream?
Carol Stream is located at approximately 41.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Carol Stream?
The wettest period in Carol Stream is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Carol Stream?
For visits to Carol Stream during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Carol Stream in?
Carol Stream is located in United States, in the state of Illinois.
What are the public holidays in Carol Stream in 2026?
View the 2026 public holidays for Carol Stream on our Holidays page.
What are the GPS coordinates used for the weather forecast in Carol Stream?
The weather forecast for Carol Stream uses coordinates 41.9125, -88.1348.