	12:00 AM	01:00 AM	02:00 AM	03:00 AM	04:00 AM	05:00 AM	06:00 AM	07:00 AM	07:02 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	06:57 PM	07:00 PM	08:00 PM	09:00 PM	10:00 PM	11:00 PM
weather																											Next
temperatures	2.6°	2.7°	2.9°	3°	3.2°	3.5°	3.8°	4.1°	Sunrise	5.1°	6.6°	9°	10.5°	11°	11.6°	12°	12.1°	12.3°	12.4°	12.5°	Sunset	12.2°	11.9°	11.6°	8.2°	5.7°
feels like	-2.3°	-1.9°	-1.6°	-1.6°	-1.5°	-1.2°	-1.1°	-0.7°		0.5°	2.5°	5.6°	7.3°	7.7°	8.4°	8.8°	8.9°	9.2°	9.4°	9.6°		9.4°	9.2°	9°	4.3°	1.3°
wind speed	22 km/h	23 km/h	23 km/h	22 km/h	22 km/h	24 km/h	25 km/h	26 km/h		27 km/h	27 km/h	30 km/h	31 km/h	32 km/h	33 km/h	35 km/h	35 km/h	35 km/h	35 km/h	35 km/h		32 km/h	31 km/h	36 km/h	26 km/h	32 km/h
wind degree	114°	116°	120°	129°	137°	142°	150°	156°		168°	179°	182°	184°	185°	187°	190°	190°	190°	181°	184°		181°	200°	236°	220°	219°
wind direction	ESE	ESE	ESE	SE	SE	SE	SSE	SSE		S	S	S	S	S	S	S	S	S	S	S		S	SSW	SW	SW	SW
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	2.5 mm	0 mm	0 mm	1.7 mm	0 mm	0 mm		3 mm	3.9 mm	4.3 mm	4.8 mm	0.1 mm
chance for rain	0%	69%	76%	68%	75%	63%	0%	0%		0%	0%	0%	0%	0%	100%	0%	0%	100%	0%	0%		100%	100%	100%	100%	100%
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	70%	70%	69%	69%	71%	71%	80%	83%		84%	83%	82%	80%	86%	95%	91%	92%	94%	94%	94%		95%	96%	97%	97%	83%
dew point	-2.5°	-2.1°	-2.1°	-2°	-1.7°	-1.5°	0.8°	1.3°		2°	3.4°	5.3°	8.2°	9.8°	10.6°	10.9°	11.1°	11.3°	11.6°	11.6°		11.9°	11.3°	11.1°	10.8°	2.1°
visibility	10 km	10 km	10 km	10 km	10 km	10 km	10 km	10 km		10 km	10 km	2 km	9 km	10 km	10 km	2 km	2 km	2 km	9 km	9 km		7 km	5 km	9 km	10 km	10 km
cloud cover	0%	88%	77%	86%	84%	85%	98%	100%		95%	57%	93%	100%	100%	98%	99%	100%	99%	100%	100%		100%	100%	100%	100%	100%
UV	0	0	0	0	0	0	0	0		0.2	0.6	1.2	2.2	1.8	1.5	1.3	1	0.2	0.1	0		0	0	0	0	0

Weather in Illinois tomorrow

The weather in Illinois tomorrow is expected to be noticeably warmer than usual, with a forecast temperature of 13 °F, compared to an average of 7.8 °F for March 15th in recent years.

temperatures

13 °F

rain

20.3 mm

wind

36 km/h

0.4

Low

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 - Sunday, March 15th, 2026

Illinois daylight overview ☀️

Tomorrow in Illinois, The sun rises at 07:02 and sets at 18:57, giving a total daylight duration of 11 hours and 55 minutes.

Counties in Illinois

Select a county for an accurate weather forecast

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 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 13° 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 36 km/h. This could affect outdoor activities, so plan accordingly.

How should I dress for the weather in Illinois tomorrow?

Given the forecast of 13 °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 07:02 and set at 18:57 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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Tomorrow weather in Illinois

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Weather in Illinois tomorrow

Illinois Tomorrow Weather Indexes for Outdoor Activities & Health

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Air Quality Index (AQI)

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