Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 5°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Monday
12th Jan
5

0

8

2
Tuesday
13th Jan
9

4

3

1
Wednesday
14th Jan
6

-4

2

0
Thursday
15th Jan
-2

-6

8

1
Friday
16th Jan
3

-1

1

1

5-day weather forecast updated at 04:00 on Monday 12th 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.

8
Springfield
5
Chicago

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 Monday 12th January 2026

Expect scattered clouds in Illinois with a maximum temperature of 5°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

5
°C maximum temperature
0
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
14
kph wind from SW

Illinois weather for Tuesday 13th January 2026

Expect broken clouds in Illinois with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

9
°C maximum temperature
4
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
15
kph wind from SW

Illinois weather for Wednesday 14th January 2026

Expect broken clouds in Illinois with a maximum temperature of 6°C and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

6
°C maximum temperature
-4
°C minimum temperature
broken clouds
2
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
20
kph wind from N

Illinois weather for Thursday 15th January 2026

Expect clear skies with flurries of snow in Illinois with a maximum temperature of -2°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 38% chance of some snow and a gentle breeze of 15 kph from the north-west.

-2
°C maximum temperature
-6
°C minimum temperature
clear skies with flurries of snow
8
hours of sunshine
1
UV index (Low)
38
% chance of some snow
<2
cm of snow expected
-6
°C wind chill
15
kph wind from NW

Illinois weather for Friday 16th January 2026

Expect broken clouds in Illinois with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.