Illinois (Chicago)
Tomorrow
Tomorrow weather in Illinois
Friday, May 1st, 2026
8°
Patchy rain possible
Official weather alert: Flood Warning.The weather tomorrow in Illinois will be colder than today, with max temperatures of 8°.
No rain is expected in Illinois tomorrow.
8° / 5°
Temp
88%
Rain
18 km/h
Wind
64%
Humidity
Illinois Tomorrow's Weather Forecast
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Illinois Weather Pages
Illinois hourly forecast for tomorrow
Scroll right to see more weather forecasts for Illinois tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:47 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 | 07:50 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  | | | | |  |  |  | | | | | |  | | | | | | |  |  | |  | | Next |
| temperatures | 5.8° | 5.7° | 5.6° | 5.4° | 5.1° | 4.9° | Sunrise | 4.9° | 5.2° | 5.7° | 6.3° | 7° | 7.5° | 7.6° | 7.7° | 7.9° | 7.8° | 7.6° | 7.4° | 7° | 6.3° | Sunset | 5.9° | 5.6° | 5.4° | 5.3° | |
| feels like | 5.6° | 5.2° | 4.6° | 3.8° | 3° | 2.4° | 1.9° | 1.9° | 2.4° | 3.3° | 4.2° | 4.8° | 4.8° | 4.9° | 5.3° | 5.4° | 5.4° | 5.4° | 4.8° | 4.1° | 3.8° | 3.7° | 3.9° | 3.9° | |||
| wind speed | 1 km/h | 3 km/h | 5 km/h | 7 km/h | 9 km/h | 11 km/h | 13 km/h | 16 km/h | 18 km/h | 17 km/h | 16 km/h | 15 km/h | 16 km/h | 17 km/h | 16 km/h | 14 km/h | 12 km/h | 11 km/h | 10 km/h | 11 km/h | 11 km/h | 9 km/h | 7 km/h | 6 km/h | |||
| wind degree | 245° | 284° | 291° | 294° | 304° | 320° | 337° | 351° | 0° | 5° | 11° | 21° | 33° | 42° | 42° | 47° | 53° | 66° | 67° | 74° | 77° | 86° | 91° | 105° | |||
| wind direction | WSW | WNW | WNW | WNW | NW | NW | NNW | N | N | N | N | NNE | NE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | E | E | ESE | |||
| 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 | 0% | 74% | 87% | 60% | 70% | 0% | 0% | 0% | 0% | 0% | 69% | 78% | 88% | 0% | 0% | 0% | 63% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| 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 | 79% | 80% | 81% | 82% | 81% | 80% | 79% | 78% | 74% | 67% | 60% | 55% | 52% | 53% | 53% | 51% | 52% | 51% | 51% | 51% | 53% | 54% | 54% | 56% | |||
| dew point | 2.5° | 2.5° | 2.6° | 2.6° | 2.3° | 1.7° | 1.4° | 1.4° | 1.2° | 0.5° | -0.2° | -0.8° | -1.1° | -1.1° | -1.2° | -1.3° | -1.5° | -1.9° | -2.2° | -2.7° | -3.1° | -3.1° | -3.1° | -2.9° | |||
| visibility | 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 | 10 km | 10 km | |||
| cloud cover | 23% | 77% | 79% | 83% | 84% | 22% | 25% | 33% | 29% | 9% | 82% | 71% | 81% | 80% | 50% | 55% | 62% | 53% | 52% | 46% | 45% | 48% | 67% | 35% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.9 | 2.1 | 3.7 | 5.1 | 4.9 | 5.8 | 5.4 | 4.1 | 2.7 | 1.4 | 0.6 | 0.2 | 0 | 0 | 0 | 0 |
Weather in Illinois tomorrow
The weather in Illinois tomorrow is expected to be much cooler than usual, with a forecast temperature of 8 °F, compared to an average of 15.4 °F for May 1st in recent years.
temperatures
8 °F
rain
0.1 mm
wind
18 km/h
snow
0 cm
Illinois Tomorrow Weather Indexes for Outdoor Activities & Health
Weather indexes for tomorrow: outdoor activities, pollen allergies, air quality (AQI), UV index and health in Illinois - Friday, May 1st, 2026
UV Sun Exposure Risk
Moderate
6 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very Low
2 / 10
Asthma Risk Index
Very Low
0 / 10
Arthritis Pain Index
Low
4 / 10
Outdoor Activity Index
Excellent
9 / 10
Running & Jogging Index
Excellent
8 / 10
Cycling Weather Index
Excellent
10 / 10
Pet Walking Index
Excellent
10 / 10
Fishing Conditions Index
Excellent
10 / 10
Gardening Weather Index
Excellent
10 / 10
Photography Light Index
Excellent
8 / 10
Driving & Road Safety
Excellent
9 / 10
Construction Work Index
Excellent
8 / 10
Illinois daylight overview ☀️
Tomorrow in Illinois, The sun rises at 05:47 and sets at 19:50, giving a total daylight duration of 14 hours and 3 minutes.
Counties in Illinois
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Top locations in Illinois
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What to wear tomorrow in Illinois? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Illinois forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Cap/Hat
Scarf
Umbrella
The weather tomorrow in Illinois - FAQ
What is the maximum temperature for tomorrow in Illinois?
The maximum temperature for tomorrow in Illinois is expected to be 8° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Illinois? 🌧️
Yes, there is a 88% chance of rain in Illinois tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Illinois? 🌀
The wind in Illinois is expected to blow at 18 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Illinois tomorrow?
Given the forecast of 8 °F with a 88% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Illinois tomorrow.
What is the sunrise and sunset time for Illinois tomorrow?
The sun is expected to rise at 05:47 and set at 19:50 in Illinois.
How accurate is the weather forecast Illinois tomorrow? ✅
Illinois weather forecast for tomorrow 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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