Illinois will have a warm day Today with temperatures ascending to 28 °F and descending to around 5 °F after sunset. Strong winds are anticipated in Illinois Today, nearing 31 km/h. Rain is highly likely at 92%, but with light accumulations around 3.31 mm.

29° / 5°

Temp

92%

Rain

31 km/h

Wind

58%

Humidity

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Illinois hourly forecast for today

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	12:00 AM	01:00 AM	02:00 AM	03:00 AM	04:00 AM	05:00 AM	05:34 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	08:01 PM	09:00 PM	10:00 PM	11:00 PM
weather																											Next
temperatures	6.6°	6.7°	6.7°	7.1°	6.8°	6.1°	Sunrise	6.5°	8.2°	10.7°	13°	16.1°	18.8°	20.9°	22.8°	25.8°	25.8°	22.8°	20.4°	19.1°	18°	17°	Sunset	16.1°	15°	14.1°
feels like	4.7°	4.4°	4.5°	4.5°	4.3°	4°		4.2°	5.8°	8.8°	12°	15.6°	18.6°	20.8°	23.2°	25.3°	25.4°	22.6°	20.4°	19.1°	18°	17°		16.1°	14.5°	13.3°
wind speed	10 km/h	11 km/h	11 km/h	12 km/h	12 km/h	13 km/h		13 km/h	14 km/h	17 km/h	18 km/h	20 km/h	21 km/h	21 km/h	26 km/h	25 km/h	22 km/h	25 km/h	32 km/h	27 km/h	25 km/h	25 km/h		18 km/h	17 km/h	14 km/h
wind degree	91°	101°	112°	136°	155°	159°		158°	161°	173°	181°	184°	189°	184°	194°	198°	215°	226°	232°	237°	237°	262°		275°	296°	301°
wind direction	E	ESE	ESE	SE	SSE	SSE		SSE	SSE	S	S	S	S	S	SSW	SSW	SW	SW	SW	WSW	WSW	W		W	WNW	WNW
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	0.1 mm	0.5 mm	0.5 mm	1.6 mm		0.6 mm	0 mm	0 mm
chance for rain	0%	0%	0%	0%	0%	0%		0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	79%	100%	100%	100%	100%		100%	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	62%	65%	65%	75%	75%	79%		71%	60%	44%	40%	36%	32%	32%	32%	32%	28%	32%	57%	72%	76%	80%		81%	81%	84%
dew point	-0.7°	0.5°	1°	2.9°	3.3°	3.1°		0.6°	-0.3°	-1.6°	0°	0.4°	2.2°	4°	5.7°	6.9°	8.6°	8°	11.1°	12.8°	13.5°	13.5°		12.7°	11.9°	11.3°
visibility	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	10 km	10 km	10 km	10 km	5 km	9 km	9 km		9 km	10 km	10 km
cloud cover	0%	0%	0%	0%	2%	3%		0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	87%	86%	51%	76%	86%		79%	6%	3%
UV	0	0	0	0	0	0		0	0.1	0.3	1	1.2	3.1	5.1	2	4.9	2.1	2.8	1	0.3	0.1	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 significantly warmer than usual, with a forecast temperature of 29 °F, compared to an average of 18 °F for May 12th in recent years.

temperatures

29 °F

rain

3.3 mm

wind

31 km/h

5.1

Moderate

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, May 12th, 2026

Illinois daylight overview ☀️

Today in Illinois, The sun rises at 05:34 and sets at 20:01, giving a total daylight duration of 14 hours and 27 minutes.

Counties in Illinois

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Champaign County Cook County DuPage County Effingham County Kane County Macon County McLean County Peoria County Sangamon County Will County Williamson County Winnebago County

Top locations in Illinois

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Aurora Champaign Chicago Decatur Effingham Energy Joliet Peoria Rockford Springfield

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What to wear today in Illinois? clothing recommendations

Stay comfortably stylish - your tailored guide for today's Illinois forecast.

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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 29° degrees. Please dress accordingly to stay comfortable throughout the day.

Will it rain today in Illinois? 🌧️

Yes, there is a 92% 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 31 km/h. This could affect outdoor activities, so plan accordingly.

How should I dress for the weather in Illinois today?

Given the forecast of 29 °F with a 92% 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 05:34 and set at 20:01 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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