Illinois (Chicago)
Today
Today weather in Illinois
Tuesday, December 30th, 2025
-3°
Light freezing rain
Illinois can expect a bitterly cold day Today, with temperatures not exceeding the freezing point. It'll be quite breezy in Illinois Today with average wind speeds of 27 km/h. Mixed precipitation is expected Today. Rain is highly likely at 81%, but with light accumulations around 0.22 mm. In addition, A few snowflakes might be spotted at a 13% chance. Sleet or freezing rain is also a possibility.
-3° / -11°
Temp
81%
Rain
27 km/h
Wind
74%
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 | 06:00 AM | 07:00 AM | 07:18 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 | 04:29 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  |  | | | | |  |  | | | |  | | | | |  |  | | | | | |  | Next |
| temperatures | -10.1° | -10.1° | -10° | -10° | -10.1° | -10.2° | -10.4° | -10.5° | Sunrise | -10.4° | -10° | -9.2° | -8.3° | -8.9° | -6.8° | -6.6° | -6.8° | -6.9° | Sunset | -5.1° | -3.9° | -3.3° | -2.9° | -2.7° | -1.9° | -2.4° | |
| feels like | -16.7° | -16.6° | -16.4° | -16.5° | -16.5° | -16.8° | -17° | -17.1° | -17.1° | -16.8° | -15.8° | -14.7° | -13.7° | -13.1° | -12.9° | -13.2° | -13.3° | -12° | -11.3° | -10.8° | -10.6° | -10.4° | -8.9° | -9.5° | |||
| wind speed | 24 km/h | 24 km/h | 21 km/h | 21 km/h | 21 km/h | 20 km/h | 20 km/h | 19 km/h | 17 km/h | 18 km/h | 16 km/h | 17 km/h | 19 km/h | 22 km/h | 22 km/h | 22 km/h | 22 km/h | 22 km/h | 25 km/h | 25 km/h | 27 km/h | 27 km/h | 27 km/h | 25 km/h | |||
| wind degree | 310° | 309° | 305° | 299° | 299° | 297° | 298° | 295° | 290° | 284° | 279° | 271° | 260° | 259° | 258° | 255° | 249° | 245° | 246° | 243° | 243° | 255° | 266° | 273° | |||
| wind direction | NW | NW | NW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | W | W | W | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | |||
| 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 | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 85% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 88% | 87% | 63% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 79% | 81% | 80% | 78% | 78% | 79% | 79% | 79% | 78% | 78% | 77% | 75% | 58% | 74% | 79% | 81% | 83% | 87% | 59% | 58% | 60% | 61% | 62% | 61% | |||
| dew point | -13° | -13.6° | -12.9° | -12.8° | -13.1° | -13.2° | -13.4° | -13.4° | -13.6° | -13.4° | -12.9° | -12.1° | -11.6° | -10.5° | -9.3° | -9° | -9.4° | -8.8° | -10.2° | -9.7° | -9.2° | -8.9° | -8.7° | -7.7° | |||
| 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 | 16 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 | 100% | 99% | 55% | 17% | 16% | 8% | 13% | 9% | 5% | 6% | 10% | 24% | 75% | 20% | 22% | 88% | 85% | 60% | 100% | 100% | 99% | 98% | 98% | 75% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 0.8 | 1.1 | 1.2 | 0.9 | 0.6 | 0.3 | 0 | 0 | 0 | 0 | 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 much cooler than usual, with a forecast temperature of -3 °F, compared to an average of 5 °F for December 30th in recent years.
temperatures
-3 °F
rain
0.2 mm
wind
27 km/h
snow
0 cm
Illinois Today Weather Indexes for Outdoor Activities & Health
Live indexes for outdoor activities, pollen allergies, air quality (AQI), UV index and health in Illinois - Tuesday, December 30th, 2025
UV Sun Exposure Risk
Very Low
0 / 11+
Air Quality Index (AQI)
Excellent
10 / 10
Pollen Allergy Risk
Very Low
2 / 10
Asthma Risk Index
Very Low
1 / 10
Arthritis Pain Index
Moderate
5 / 10
Outdoor Activity Index
Good
6 / 10
Running & Jogging Index
Fair
5 / 10
Cycling Weather Index
Fair
5 / 10
Pet Walking Index
Good
6 / 10
Fishing Conditions Index
Excellent
9 / 10
Gardening Weather Index
Good
7 / 10
Photography Light Index
Excellent
10 / 10
Driving & Road Safety
Excellent
8 / 10
Construction Work Index
Fair
5 / 10
Illinois daylight overview ☀️
Today in Illinois, The sun rises at 07:18 and sets at 16:29, giving a total daylight duration of 9 hours and 11 minutes.
Counties in Illinois
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Top locations in Illinois
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More Locations Quick links
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What to wear today in Illinois? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Illinois forecast.
Thermal underwear
Sweater/Fleece
Insulated jacket
Warm pants
Warm boots
Beanie
Gloves/Mitten
Scarf
Thick socks
Umbrella
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 -3° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it snow today in Illinois? ❄️
Yes, there is a 13% chance of snow in Illinois today, with an expected snowfall of 0 cm cm. Prepare for snowy conditions and consider winter gear if you plan to be outdoors.
Will it rain today in Illinois? 🌧️
Yes, there is a 81% 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 27 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Illinois today?
Given the forecast of -3 °F with a 81% 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 07:18 and set at 16:29 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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