Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 24°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Monday
30th Mar
24

13

6

6
Tuesday
31st Mar
21

8

1

5
Wednesday
1st Apr
7

3

3

4
Thursday
2nd Apr
17

5

1

1
Friday
3rd Apr
13

6

5

4

5-day weather forecast updated at 04:00 on Monday 30th March 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.

28
Springfield
24
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 30th March 2026

Expect broken clouds in Illinois with a maximum temperature of 24°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

24
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
12
kph wind from SW

Illinois weather for Tuesday 31st March 2026

Expect isolated thunderstorms in Illinois with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 16 kph from the south-west.

21
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
91
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Illinois weather for Wednesday 1st April 2026

Expect mostly cloudy with rain in Illinois with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 14 kph from the north-east.

7
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
75
% chance of some rain
<10
mm of rainfall expected
5
°C wind chill
14
kph wind from NE

Illinois weather for Thursday 2nd April 2026

Expect mostly cloudy with rain in Illinois with a maximum temperature of 17°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 14 kph from the east.

17
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
99
% chance of some rain
<40
mm of rainfall expected
17
°C wind chill
14
kph wind from E

Illinois weather for Friday 3rd April 2026

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the north-east.