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Illinois
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United States weather
today
Partly cloudy
28° 19°
tomorrow
Partly cloudy
24° 18°
Wednesday
Partly cloudy
22° 18°
Thursday
Sunny
24° 19°
Friday
Sunny
26° 19°
Saturday
Sunny
29° 19°
Sunday
Sunny
26° 20°
 More Details See
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Weather forecast for Illinois 

The weather forecast for Illinois over the next 2 days indicates warm conditions with temperatures ranging from 24 °F to 28 °F.

Wind speeds are expected to be breezy, averaging around 14 km/h.

On Wednesday, a notable cooling trend with temperatures reaching 22°C.

Weather today
Now: ::
Partly cloudy 19.5 °F
Illinois weather forecast

Illinois 14 days weather forecast

Click on a date for detailed forecasts
Mon. 16
28°
19°
Partly cloudy
0 mm
Tue. 17
24°
18°
Partly cloudy
0 mm
Wed. 18
22°
18°
Partly cloudy
0 mm
Thu. 19
24°
19°
Sunny
0 mm
Fri. 20
26°
19°
Sunny
0 mm
Sat. 21
29°
19°
Sunny
0 mm
Sun. 22
26°
20°
Sunny
0 mm
Mon. 23
28°
19°
Sunny
0 mm
Tue. 24
22°
19°
Patchy rain possible
2.1 mm
Wed. 25
29°
16°
Sunny
0 mm
Thu. 26
34°
23°
Patchy rain possible
0.8 mm
Fri. 27
27°
20°
Patchy rain possible
3.8 mm
Sat. 28
19°
15°
Patchy rain possible
0.6 mm
Further Ahead
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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Illinois long range weather forecast

30 day weather forecast for Illinois
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
25°
2
Partly cloudy
27°
3
Partly cloudy
29°
4
Sunny
30°
5
Patchy rain possible
31°
6
Light rain shower
26°
7
Patchy rain possible
19°
8
Overcast
21°
9
Cloudy
25°
10
Partly cloudy
26°
11
Moderate or heavy rain shower
25°
12
Cloudy
23°
13
Light rain shower
23°
14
Overcast
23°
15
Cloudy
24°
16
Partly cloudy
28°
17
Partly cloudy
24°
18
Partly cloudy
22°
19
Sunny
24°
20
Sunny
26°
21
Sunny
29°
22
Sunny
26°
23
Sunny
28°
24
Patchy rain possible
22°
25
Sunny
29°
26
Patchy rain possible
34°
27
Patchy rain possible
27°
28
Patchy rain possible
19°
29
Mist
22°
30
Fog
25°
Important Notice
Our Illinois long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

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Provinces in Illinois
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Cook CountyDuPage CountyKane CountyWill CountyWinnebago County
Top locations in Illinois
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AuroraBolingbrookChicagoJolietNapervilleRockford
More Locations
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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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