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Weather in Illinois for April 2025

Your guide to Illinois weather in April - trends and predictions

    Official Weather Alert ⚠️

  • Severe Thunderstorm Watch - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 3 snowy days, Illinois usually enjoys a light touch of snow in April.
    According to Illinois snow forecast for April 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, April 2025 in Illinois is cooler than usual, with temperatures averaging 8.3 °F, this is -3.1 °F below the typical seasonal average.

  • The forecast for the next days in Illinois predicts temperatures to be around 15 °F, close to the historical average.

  • In general, the average temperature in Illinois at the beginning of April is 9.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.3 °F by the end of April.

    • Rain 🌧️

  • Illinois experiences heavy rainfall in April, with over 20 rainy days and an average total precipitation 109.1 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
22
Rainy days
Average snowy days
3
Snow days
Average temperatures
12°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Illinois Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
6°
2
Sunny
9°
3
Overcast
9°
4
Cloudy
13°
5
Patchy rain possible
12°
6
Overcast
11°
7
Heavy rain at times
9°
8
Partly cloudy
11°
9
Overcast
10°
10
Overcast
12°
11
Heavy rain at times
12°
12
Patchy rain possible
14°
13
Overcast
16°
14
Overcast
14°
15
Overcast
13°
16
Partly cloudy
11°
17
Overcast
10°
18
Weather Alert Thundery outbreaks possible
23°
19
Patchy rain possible
11°
20
Overcast
10°
21
Moderate rain
11°
22
Patchy rain possible
17°
23
Patchy rain possible
16°
24
Patchy rain possible
12°
25
Overcast
8°
26
Overcast
11°
27
Sunny
17°
28
Moderate rain
17°
29
Patchy rain possible
24°
30
Patchy rain possible
11°
Select a date

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Access Illinois weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during April in Illinois

See the weather trend as well as the moving average line

April weather day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Overcast
Overcast
 6° /0° 1.4 mm 0 cm
Apr. 2 Sunny
Sunny
 9° /1° 16.2 mm 0.4 cm
Apr. 3 Overcast
Overcast
 9° /3° 8.3 mm 1 cm
Apr. 4 Cloudy
Cloudy
 13° /4° 12.6 mm 0.6 cm
Apr. 5 Patchy rain possible
Patchy rain possible
 12° /5° 9.8 mm 0.1 cm
Apr. 6 Overcast
Overcast
 11° /4° 2.9 mm 0 cm
Apr. 7 Heavy rain at times
Heavy rain at times
 9° /4° 2.7 mm 0 cm
Apr. 8 Partly cloudy
Partly cloudy
 11° /4° 2.9 mm 0 cm
Apr. 9 Overcast
Overcast
 10° /4° 8.8 mm 0 cm
Apr. 10 Overcast
Overcast
 12° /5° 2.8 mm 0 cm
Apr. 11 Heavy rain at times
Heavy rain at times
 12° /6° 5.2 mm 0 cm
Apr. 12 Patchy rain possible
Patchy rain possible
 14° /6° 1 mm 0 cm
Apr. 13 Overcast
Overcast
 16° /7° 2 mm 0 cm
Apr. 14 Overcast
Overcast
 14° /7° 0 mm 0 cm
Apr. 15 Overcast
Overcast
 13° /6° 1.1 mm 0 cm
Apr. 16 Partly cloudy
Partly cloudy
 11° /3° 10.2 mm 0 cm
Apr. 17 Overcast
Overcast
 10° /4° 1.8 mm 0 cm
Apr. 18 Thundery outbreaks possible
Thundery outbreaks possible
 23° /12° 0 mm 0 cm
Apr. 19 Patchy rain possible
Patchy rain possible
 11° /7° 1.7 mm 0 cm
Apr. 20 Overcast
Overcast
 10° /5° 0 mm 0 cm
Apr. 21 Moderate rain
Moderate rain
 11° /9° 17.5 mm 0 cm
Apr. 22 Patchy rain possible
Patchy rain possible
 17° /6° 0.2 mm 0 cm
Apr. 23 Patchy rain possible
Patchy rain possible
 16° /11° 1.5 mm 0 cm
Apr. 24 Patchy rain possible
Patchy rain possible
 12° /8° 1.5 mm 0 cm
Apr. 25 Overcast
Overcast
 8° /7° 0 mm 0 cm
Apr. 26 Overcast
Overcast
 11° /7° 0 mm 0 cm
Apr. 27 Sunny
Sunny
 17° /7° 0 mm 0 cm
Apr. 28 Moderate rain
Moderate rain
 17° /13° 5.3 mm 0 cm
Apr. 29 Patchy rain possible
Patchy rain possible
 24° /16° 2.9 mm 0 cm
Apr. 30 Patchy rain possible
Patchy rain possible
 11° /7° 0.4 mm 0 cm
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Important Notice
Our weather forecast for Illinois in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Illinois forecast closer to your planned date for the most up-to-date weather information.

Illinois in April - FAQ

What are the expected maximum and minimum temperatures in Illinois during April?
During April, expect a variety of temperatures with highs around 12° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Illinois during April?
Significant rainfall exceeding 109.1 mm is expected in Illinois during April, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Illinois in April 2025?
Illinois experiences an average snowfall of 2.615 cm during April, occurring over 3 days.
What are the typical wind conditions in Illinois during April?
The average wind speed in Illinois during April is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Illinois snow forecast April 2025

Track daily snowfall levels and discover Illinois’s snowy potential this April ❄️

April rainfall patterns in Illinois

Explore the daily rainfall trends and prepare for Illinoiss April weather 💧

UV exposure in Illinois during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
Counties in Illinois
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Cook CountyDuPage CountyKane CountyMacon CountyPeoria CountySangamon CountyWill CountyWilliamson CountyWinnebago County
Top locations in Illinois
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AuroraBolingbrookChicagoDecaturEnergyJolietNapervillePeoriaRockfordSpringfield
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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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