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Tomorrow weather in Illinois

Tuesday, August 19th, 2025
today weather
25°
Patchy rain possible

The weather tomorrow in Illinois will be colder than today, with max temperatures of 25°.

The rain will visit again tomorrow in Illinois and the expected precipitation are 4 mm.

The humidity in Illinois will continue to be high and expected to go over 83%.

25° / 23°
Temp
89%
Rain
15 km/h
Wind
83%
Humidity

Illinois hourly forecast for tomorrow

Scroll right to see more weather forecasts for Illinois tomorrow
12:00 AM01:00 AM02:00 AM03:00 AM04:00 AM05:00 AM06:00 AM06:03 AM07:00 AM08:00 AM09:00 AM10:00 AM11:00 AM12:00 PM01:00 PM02:00 PM03:00 PM04:00 PM05:00 PM06:00 PM07:00 PM07:44 PM08:00 PM09:00 PM10:00 PM11:00 PM
weatherOvercastThundery outbreaks possibleThundery outbreaks possibleThundery outbreaks possibleLight rain showerLight rain showerLight rain showersunriseOvercastOvercastOvercastPartly cloudyPartly cloudyPartly cloudyOvercastOvercastOvercastCloudyCloudyCloudyOvercastsunsetOvercastOvercastCloudyPartly cloudyNext
temperatures25.4°25.6°25.6°25.6°25.5°25.4°25.2°Sunrise25.1°25°25°24.6°24.2°23.8°23.9°24.1°24.4°24.4°24.3°24.1°23.7°Sunset23.3°22.9°23.1°22.5°
feels like28.6°28.9°29°29.1°28.8°28.5°28.2°27.8°27.5°27.2°26.6°26.2°25.8°25.8°25.9°26.1°26.1°26°25.9°25.6°25.3°25.1°25.3°24.9°
wind speed11 km/h12 km/h13 km/h12 km/h10 km/h12 km/h12 km/h10 km/h16 km/h11 km/h12 km/h13 km/h10 km/h8 km/h7 km/h5 km/h5 km/h8 km/h12 km/h14 km/h14 km/h14 km/h14 km/h13 km/h
wind degree157°165°174°179°181°189°196°230°204°232°227°225°233°228°223°231°289°344°18°30°33°31°25°18°
wind directionSSESSESSSSSSWSWSSWSWSWSWSWSWSWSWWNWNNWNNENNENNENNENNENNE
Precipitation0 mm0 mm0.8 mm1.2 mm1.5 mm0.8 mm0.4 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
chance for rain0%0%100%100%100%100%100%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
chance for snow0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
humidity94%90%92%93%93%92%91%90%84%81%78%78%78%78%74%72%70%74%75%77%81%82%84%90%
dew point23.2°24.1°24.3°24.3°24.4°23.9°23.6°23.3°22.1°21.5°20.9°20.1°19.8°19.4°19.2°19.1°19°19.3°19.5°19.7°19.7°19.7°19.7°21.4°
visibility2 km9 km9 km10 km10 km2 km10 km9 km10 km2 km10 km10 km10 km10 km5 km5 km10 km9 km10 km10 km10 km10 km10 km10 km
cloud cover100%100%100%100%100%96%94%92%66%54%41%70%85%100%88%82%76%85%90%94%87%84%81%57%
UV00000000.20.71.43.56.27.27.86.85.13.21.60.60.10000

Weather in Illinois tomorrow

The temperature tomorrow in Illinois is expected to be typical for this time of year, with a forecast of 25 °F, closely aligning with the historical average for August 19th.

temperatures
temperatures
25 °F
rain
rain
4.6 mm
wind
wind
15 km/h
1.8
UV
Low
Illinois daylight overview ☀️
Tomorrow in Illinois, The sun rises at 06:03 and sets at 19:44, giving a total daylight duration of 13 hours and 41 minutes.
Counties in Illinois
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Top locations in Illinois
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Quick links

More Illinois weather pages

What to wear tomorrow in Illinois? clothing recommendations

Stay comfortably stylish - your tailored guide for tomorrow's Illinois forecast.
  • Short-sleeve shirtShort-sleeve shirt
  • ShortsShorts
  • Lightweight pantsLightweight pants
  • SunglassesSunglasses
  • Wide brimmed hatWide brimmed hat
  • SunscreenSunscreen
  • UmbrellaUmbrella

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 25° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Illinois? 🌧️
Yes, there is a 89% 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 15 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Illinois tomorrow?
Given the forecast of 25 °F with a 89% 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 06:03 and set at 19:44 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.
Location coordinates 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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