Illinois (Chicago)
Today
Today weather in Illinois
Thursday, July 23rd, 2026
25°
Sunny
Feels like 18° · Low 14°
Official weather alert: Beach Hazards Statement. Illinois will experience a pleasantly warm today, reaching temperatures of up to 24 °F and cooling to about 13 °F in the evening. Gentle breezes are expected across Illinois Today, with speeds reaching around 12 km/h. There's a slight chance of rain at 4%.
25° / 14°
Temp
4%
Rain
12 km/h
Wind
59%
Humidity
Illinois Weather Pages
Illinois hourly forecast for today
Scroll right to see more weather forecasts for Illinois today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:35 AM | 06:00 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:18 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | |  | | | | | |  | | | | | | | | | |  |  | | | Next |
| temperatures | 16.3° | 16.7° | 15.1° | 14.8° | 14.4° | 14° | Sunrise | 13.7° | 15.3° | 17.2° | 18.5° | 20.1° | 21.9° | 23.3° | 24.4° | 24.6° | 24.7° | 24.6° | 24.1° | 23.3° | 22.7° | 22.3° | Sunset | 21.9° | 21.8° | 21.1° | |
| Feels like | 11.4° | 16.7° | 9.5° | 9.1° | 8.8° | 8.5° | 8.8° | 10.3° | 12.2° | 13.7° | 15.5° | 17.3° | 18.3° | 18.9° | 18.6° | 18.3° | 18.1° | 17.7° | 17.2° | 17° | 17° | 16.8° | 16.5° | 15.6° | |||
| wind speed | 5 km/h | 8 km/h | 8 km/h | 9 km/h | 8 km/h | 8 km/h | 7 km/h | 5 km/h | 5 km/h | 4 km/h | 3 km/h | 3 km/h | 5 km/h | 8 km/h | 10 km/h | 12 km/h | 13 km/h | 12 km/h | 11 km/h | 9 km/h | 7 km/h | 6 km/h | 7 km/h | 8 km/h | |||
| wind degree | 288° | 289° | 282° | 279° | 288° | 302° | 309° | 313° | 313° | 319° | 338° | 40° | 72° | 74° | 80° | 84° | 87° | 95° | 111° | 130° | 155° | 172° | 177° | 189° | |||
| wind direction | WNW | WNW | WNW | W | WNW | WNW | NW | NW | NW | NW | NNW | NE | ENE | ENE | E | E | E | E | ESE | SE | SSE | S | S | S | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 6% | 7% | 7% | 7% | 8% | 9% | 8% | 7% | 6% | 5% | 4% | 7% | 3% | 2% | 2% | 2% | 2% | 2% | 4% | 5% | 4% | 6% | 6% | 5% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 72% | 62% | 75% | 75% | 76% | 79% | 77% | 75% | 69% | 66% | 63% | 56% | 48% | 39% | 38% | 39% | 40% | 41% | 44% | 48% | 50% | 53% | 55% | 58% | |||
| dew point | 11.2° | 11.1° | 10.7° | 10.4° | 10.3° | 10.3° | 9.7° | 10.9° | 11.6° | 12.1° | 13° | 12.8° | 11.7° | 9.4° | 9.5° | 9.7° | 9.9° | 10.1° | 10.5° | 11° | 11.4° | 11.9° | 12.4° | 12.5° | |||
| visibility | 10 km | 16 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 0% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 58% | 33% | 23% | 19% | 18% | 21% | 29% | 46% | 53% | 40% | 50% | 50% | 29% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 1.4 | 3 | 5.2 | 7.1 | 8.5 | 8.9 | 8.2 | 6.5 | 4.4 | 2.4 | 0.9 | 0.2 | 0 | 0 | 0 | 0 |
View of Illinois today
Explore Illinois live webcam feed to see how the weather is shaping up today in Illinois. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Illinois today.
Weather in Illinois today
The weather in Illinois today is expected to be noticeably cooler than usual, with a forecast temperature of 25 °F, compared to an average of 29.2 °F for July 23rd in recent years.
temperatures
25 °F
rain
0 mm
wind
12 km/h
UV
Very High
🌫️ Air quality, UV & pollen - Illinois Live AQI, UV index and pollen levels. Air Quality →
Illinois Today Weather Indexes for Outdoor Activities & Health
Live indexes for outdoor activities, pollen allergies, air quality (AQI), UV index and health in Illinois - Thursday, July 23rd, 2026
UV Sun Exposure Risk
Very High
9 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very High
10 / 10
Asthma Risk Index
Low
3 / 10
Arthritis Pain Index
Very Low
1 / 10
Outdoor Activity Index
Excellent
10 / 10
Running & Jogging Index
Excellent
10 / 10
Cycling Weather Index
Excellent
10 / 10
Pet Walking Index
Excellent
10 / 10
Fishing Conditions Index
Excellent
8 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Excellent
10 / 10
Driving & Road Safety
Excellent
10 / 10
Construction Work Index
Excellent
10 / 10
Illinois daylight overview ☀️
Today in Illinois, The sun rises at 05:35 and sets at 20:18, giving a total daylight duration of 14 hours and 43 minutes.
Counties in Illinois
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Top locations in Illinois
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What to wear today in Illinois? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Illinois forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in Illinois - FAQ
What is the maximum temperature for today in Illinois?
The maximum temperature for today in Illinois is expected to be 25° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Illinois? 🌧️
Yes, there is a 4% chance of rain in Illinois today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Illinois? 🌀
The wind in Illinois is expected to blow at 12 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Illinois today?
Given the forecast of 25 °F with a 4% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Illinois today.
What is the sunrise and sunset time for Illinois today?
The sun is expected to rise at 05:35 and set at 20:18 in Illinois.
How accurate is the weather forecast Illinois today? ✅
Illinois weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Illinois?Get accurate weather forecasts for Illinois, located at latitude 41.85 and longitude -87.65. Stay updated with localized weather information tailored for Illinois.
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