Live Weather & Forecast
Weather in Cahokia Heights
Illinois, United States · Real-time conditions & 3-day outlook
24°C
Feels like 25°C
75°F / Feels 77°F
Partly cloudy
Cahokia Heights, Illinois
🌞 Daytime
Updated: 2026-04-12 16:30
Humidity
46%
Wind
27.4 km/h S
Wind Gust
39.8 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
2.2
(Low)
Precipitation
0.02 mm
Cloud Cover
50%
Dew Point
15.4°C
Wind Degree
189°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
168.9 μg/m³
NO₂
3.9 μg/m³
O₃
112 μg/m³
SO₂
2.5 μg/m³
PM 2.5
5.4 μg/m³
PM 10
5.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Cahokia Heights, Illinois
12 AM
18°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
17°
Clear
4 AM
17°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Sunny
8 AM
19°
Sunny
9 AM
21°
Sunny
10 AM
24°
Sunny
11 AM
27°
Sunny
12 PM
28°
Sunny
1 PM
29°
Sunny
2 PM
29°
Sunny
3 PM
28°
Patchy rain nearby
4 PM
24°
Partly cloudy
5 PM
27°
Sunny
6 PM
26°
Patchy rain nearby
7 PM
24°
Patchy rain nearby
8 PM
23°
Patchy rain nearby
9 PM
22°
Patchy rain nearby
10 PM
21°
Patchy rain nearby
11 PM
20°
Clear
3-Day Forecast
Daily overview for Cahokia Heights, Illinois
Today
Patchy rain nearby
30°
/
15°
🌧️ 85% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 33.1 km/h
🌧️ Total precip: 0.34 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
26°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
26°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Cahokia Heights
Plan your trip to Cahokia Heights, 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.
Frequently Asked Questions
What is the current weather in Cahokia Heights?
Current conditions in Cahokia Heights: Partly cloudy, temperature 24°C, humidity 46%.
What is the best time to visit Cahokia Heights?
The best time to visit Cahokia Heights is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cahokia Heights?
Cahokia Heights is located at approximately 38.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cahokia Heights?
The wettest period in Cahokia Heights is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cahokia Heights?
For visits to Cahokia Heights during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cahokia Heights in?
Cahokia Heights is located in United States, in the state of Illinois.
What are the public holidays in Cahokia Heights in 2026?
View the 2026 public holidays for Cahokia Heights on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cahokia Heights?
The weather forecast for Cahokia Heights uses coordinates 38.5704, -90.1913.