Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 16°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Friday
9th Jan
16

4

4

1
Saturday
10th Jan
4

-1

0

1
Sunday
11th Jan
1

-2

4

1
Monday
12th Jan
5

-2

6

1
Tuesday
13th Jan
8

3

3

1

5-day weather forecast updated at 04:00 on Friday 9th January 2026 GMT

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Destination

The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Illinois destinations

Below are temperatures expected today at popular countries, regions and places in Illinois. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

16
Chicago
16
Springfield

All Illinois destinations

Illinois weather forecast by day

Below are the detailed weather forecasts for Illinois for the next 5 days. The forecasts shown are for Chicago and may not represent the whole of Illinois. Browse more destinations in Illinois to view more weather forecasts.

Illinois weather for Friday 9th January 2026

Expect sunshine and showers in Illinois with a maximum temperature of 16°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a moderate breeze of 21 kph from the south-west.

16
°C maximum temperature
4
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Illinois weather for Saturday 10th January 2026

Expect broken clouds in Illinois with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

4
°C maximum temperature
-1
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
16
kph wind from W

Illinois weather for Sunday 11th January 2026

Expect broken clouds in Illinois with a maximum temperature of 1°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

1
°C maximum temperature
-2
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-3
°C wind chill
15
kph wind from W

Illinois weather for Monday 12th January 2026

Expect broken clouds in Illinois with a maximum temperature of 5°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

5
°C maximum temperature
-2
°C minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
13
kph wind from SW

Illinois weather for Tuesday 13th January 2026

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a light breeze of 12 kph from the south-west.