Live Weather & Forecast

Weather in Carrollton

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

Flag of United States
Partly cloudy
29°C
Feels like 32°C
85°F / Feels 89°F
Partly cloudy
Carrollton, Illinois
🌞 Daytime
Updated: 2026-04-13 14:15
💧
Humidity
48%
💨
Wind
25.9 km/h SSW
🌬️
Wind Gust
30.7 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
7.2 (High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
19.2°C
🌐
Wind Degree
202°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
147.9 μg/m³
NO₂
5.6 μg/m³
O₃
77 μg/m³
SO₂
2 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.7 μg/m³

Weather Alerts 5

Met · Severe · Immediate
Flood Warning issued April 12 at 9:46PM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville....

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Met · Severe · Expected
Flood Warning issued April 13 at 11:50AM CDT until April 18 at 7:00PM CDT by NWS St Louis MO

...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Illinois...Missouri... Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Winfield. * WHEN...From late Tuesday night to Saturday evening. * ADDIT...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions...

Met · Severe · Immediate
Flood Warning issued April 13 at 11:39AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville....

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Met · Severe · Immediate
Flood Warning issued April 12 at 9:07PM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Schuyler, Cass, Brown and Morgan Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding i...

Caution is urged when walking near riverbanks. Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

Met · Severe · Immediate
Flood Warning issued April 13 at 10:51AM CDT until April 20 at 7:00AM CDT by NWS Lincoln IL

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Morgan, Cass, Brown and Schuyler Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding i...

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.

Today's Hourly Forecast

24-hour breakdown for Carrollton, Illinois

12 AM
Clear
20°
Clear
💧 68% 💨 22.7 km/h
1 AM
Clear
20°
Clear
💧 70% 💨 20.5 km/h
2 AM
Clear
20°
Clear
💧 75% 💨 20.9 km/h
3 AM
Clear
20°
Clear
💧 79% 💨 18.4 km/h
4 AM
Cloudy
20°
Cloudy
💧 78% 💨 21.6 km/h
5 AM
Clear
19°
Clear
💧 80% 💨 19.4 km/h
6 AM
Clear
19°
Clear
💧 83% 💨 17.6 km/h
7 AM
Partly Cloudy
20°
Partly Cloudy
💧 74% 💨 16.9 km/h
8 AM
Overcast
21°
Overcast
💧 74% 💨 19.1 km/h
9 AM
Cloudy
23°
Cloudy
💧 70% 💨 20.2 km/h
10 AM
Sunny
26°
Sunny
💧 66% 💨 22.7 km/h
11 AM
Sunny
27°
Sunny
💧 62% 💨 24.1 km/h
12 PM
Partly Cloudy
27°
Partly Cloudy
💧 59% 💨 23.4 km/h
1 PM
Partly Cloudy
28°
Partly Cloudy
💧 60% 💨 24.8 km/h
2 PM
Partly cloudy
29°
Partly cloudy
💧 48% 💨 25.9 km/h
3 PM
Partly Cloudy
29°
Partly Cloudy
💧 50% 💨 25.6 km/h
4 PM
Sunny
30°
Sunny
💧 47% 💨 23.4 km/h
5 PM
Sunny
30°
Sunny
💧 46% 💨 21.6 km/h
6 PM
Cloudy
29°
Cloudy
💧 47% 💨 20.2 km/h
7 PM
Sunny
28°
Sunny
💧 52% 💨 23.4 km/h
8 PM
Clear
26°
Clear
💧 53% 💨 24.1 km/h
9 PM
Clear
26°
Clear
💧 55% 💨 25.2 km/h
10 PM
Clear
25°
Clear
💧 56% 💨 28.4 km/h
11 PM
Clear
24°
Clear
💧 59% 💨 28.8 km/h

3-Day Forecast

Daily overview for Carrollton, Illinois

Today
Sunny
Sunny
31° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
28° / 20°
🌧️ 89% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 2.8 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Overcast
Overcast
24° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 34.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Carrollton

Plan your trip to Carrollton, 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 Carrollton 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Carrollton?
Current conditions in Carrollton: Partly cloudy, temperature 29°C, humidity 48%.
What is the best time to visit Carrollton?
The best time to visit Carrollton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Carrollton?
Carrollton is located at approximately 39.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Carrollton?
The wettest period in Carrollton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Carrollton?
For visits to Carrollton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Carrollton in?
Carrollton is located in United States, in the state of Illinois.
What are the public holidays in Carrollton in 2026?
View the 2026 public holidays for Carrollton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Carrollton?
The weather forecast for Carrollton uses coordinates 39.3023, -90.4071.