Illinois (Chicago)
10 day weather forecast for Illinois
Monday, November 9th, 2026, at 01:41 AM
Today
15° 6°
Tomorrow
17° 9°
Wednesday
14° 8°
Thursday
10° 4°
Friday
5° 2°
Saturday
6° 1°
Sunday
7° 1°
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Illinois Weather Pages
Illinois weather forecast
The weather forecast for Illinois over the next 4 days indicates chilly conditions with temperatures ranging from 10 °C to 17 °C.
Snow is expected on Friday,.
Wind speeds are expected to be breezy, averaging around 15.1 km/h.
On Friday, expect a change in weather with temperatures reaching 5°C, and moderate rain with a 84% chance, accumulating about 6.53mm.
Illinois 14 days weather forecast
This weeks weather in Illinois. Click on a date for detailed forecasts
Mon. 9
15°
6°
0 mm
Tue. 10
17°
9°
0 mm
Wed. 11
14°
8°
3 mm
Thu. 12
10°
4°
23.2 mm
Fri. 13
5°
2°
3.6 cm
Sat. 14
6°
1°
0 mm
Sun. 15
7°
1°
0 mm
Mon. 16
9°
3°
0 mm
Tue. 17
10°
4°
0 mm
Wed. 18
11°
8°
2.6 mm
Thu. 19
10°
7°
0.1 mm
Fri. 20
11°
7°
2.1 mm
Sat. 21
12°
9°
4.1 mm
Sun. 22
11°
6°
0 mm
Further Ahead
You can click on date
Access Illinois weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Illinois snow forecast ☃️
A total of 3.6 cm of snow is expected in Illinois over the next two weeks
Illinois long range weather forecast
30 day weather forecast for Illinois
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.
Rain Forecast for the Next 14 Days in Illinois
A total of 41.6 mm is expected over 6 rainy days. The wettest day is Thursday 12, with 23.2 mm. Click a day for details.
Illinois Wind Speed Forecast Chart
The windiest day is Thursday 12, with winds up to 29.9 km/h from the N. The calmest day is Sunday 15. The average daily maximum is 14.4 km/h.
Mon. 9
15.1 km/h
SW · Gentle breeze
Tue. 10
14.8 km/h
W · Gentle breeze
Wed. 11
19.1 km/h
SW · Gentle breeze
Thu. 12
29.9 km/h
N · Fresh breeze
Fri. 13
26.3 km/h
NW · Moderate breeze
Sat. 14
18 km/h
NW · Gentle breeze
Sun. 15
7.2 km/h
W · Light breeze
Mon. 16
8.3 km/h
S · Light breeze
Tue. 17
10.1 km/h
S · Light breeze
Wed. 18
8.3 km/h
S · Light breeze
Thu. 19
7.6 km/h
SW · Light breeze
Fri. 20
12.6 km/h
S · Gentle breeze
Sat. 21
12.6 km/h
S · Gentle breeze
Sun. 22
11.9 km/h
S · Light breeze
CalmLight breezeGentle breezeModerate breezeFresh breeze
Frequently asked questions about the weather in Illinois
How warm is it in Illinois over the next 14 days?
Over the next two weeks, temperatures in Illinois are expected to range from around 1 °C on the coldest nights up to about 17 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Illinois in the next two weeks?
Yes - rain is expected on about 6 of the next 14 days in Illinois, with roughly 41.6 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
Will it snow in Illinois?
Yes - around 3.6 cm of snow is forecast in Illinois over the coming two weeks, so be prepared for wintry conditions and dress warmly.
How windy is it in Illinois?
Maximum wind speeds in Illinois are forecast to reach about 29.9 km/h at their peak over the next 14 days.
When is the best time to visit Illinois?
For a month-by-month look at temperatures and rainfall, see our best time to visit Illinois guide.
How accurate is the 14-day forecast for Illinois?
Our Illinois forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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