Live Weather & Forecast

Weather in Carol Stream

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

Flag of United States
Overcast
17°C
Feels like 17°C
62°F / Feels 62°F
Overcast
Carol Stream, Illinois
🌞 Daytime
Updated: 2026-04-15 10:15
💧
Humidity
93%
💨
Wind
11.5 km/h S
🌬️
Wind Gust
16.6 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
16 km
☀️
UV Index
2.6 (Low)
🌧️
Precipitation
0.17 mm
☁️
Cloud Cover
100%
💦
Dew Point
16.4°C
🌐
Wind Degree
186°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
11.1 μg/m³
O₃
74 μg/m³
SO₂
4.4 μg/m³
PM 2.5
7.4 μg/m³
PM 10
7.6 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 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...

Met · Severe · Immediate
Flood Warning issued April 14 at 9:26PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Alg...

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 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 Carol Stream, Illinois

12 AM
Moderate or heavy rain shower
20°
Moderate or heavy rain shower
💧 86% 💨 22 km/h 🌧️ 100%
1 AM
Patchy rain nearby
20°
Patchy rain nearby
💧 84% 💨 15.1 km/h 🌧️ 100%
2 AM
Clear
20°
Clear
💧 85% 💨 14.8 km/h
3 AM
Clear
20°
Clear
💧 88% 💨 22 km/h
4 AM
Moderate rain at times
20°
Moderate rain at times
💧 93% 💨 19.4 km/h 🌧️ 100%
5 AM
Patchy rain nearby
19°
Patchy rain nearby
💧 89% 💨 21.2 km/h 🌧️ 80%
6 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 88% 💨 19.1 km/h 🌧️ 100%
7 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 94% 💨 15.1 km/h 🌧️ 100%
8 AM
Moderate rain at times
18°
Moderate rain at times
💧 96% 💨 13 km/h 🌧️ 100%
9 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 93% 💨 9.4 km/h 🌧️ 100%
10 AM
Overcast
17°
Overcast
💧 93% 💨 11.5 km/h 🌧️ 100%
11 AM
Sunny
20°
Sunny
💧 90% 💨 14.8 km/h
12 PM
Partly Cloudy
21°
Partly Cloudy
💧 85% 💨 18.7 km/h
1 PM
Sunny
21°
Sunny
💧 82% 💨 20.2 km/h
2 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 84% 💨 25.6 km/h 🌧️ 62%
3 PM
Patchy rain nearby
22°
Patchy rain nearby
💧 84% 💨 25.6 km/h 🌧️ 100%
4 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 80% 💨 25.9 km/h 🌧️ 100%
5 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 86% 💨 24.8 km/h 🌧️ 100%
6 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 86% 💨 23.4 km/h 🌧️ 100%
7 PM
Moderate rain at times
20°
Moderate rain at times
💧 89% 💨 20.2 km/h 🌧️ 100%
8 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 91% 💨 18.7 km/h 🌧️ 83%
9 PM
Clear
18°
Clear
💧 91% 💨 18 km/h
10 PM
Clear
18°
Clear
💧 88% 💨 19.1 km/h
11 PM
Patchy rain nearby
17°
Patchy rain nearby
💧 88% 💨 19.1 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Carol Stream, Illinois

Today
Heavy rain
Heavy rain
22° / 17°
🌧️ 88% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 25.9 km/h
🌧️ Total precip: 22.37 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
20° / 12°
🌧️ 84% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 16.55 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Fog
Fog
25° / 10°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 33.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:36 PM
🌙 New Moon
🌑 Moon: 0% 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: Overcast, temperature 17°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.