Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 19°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Friday
6th Mar
19

6

1

3
Saturday
7th Mar
18

6

4

4
Sunday
8th Mar
16

4

7

4
Monday
9th Mar
21

11

10

4
Tuesday
10th Mar
18

10

2

3

5-day weather forecast updated at 04:00 on Friday 6th 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.

24
Springfield
19
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 Friday 6th March 2026

Expect isolated thunderstorms in Illinois with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 16 kph from the south.

19
°C maximum temperature
6
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
78
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
16
kph wind from S

Illinois weather for Saturday 7th March 2026

Expect broken clouds in Illinois with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

18
°C maximum temperature
6
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
19
kph wind from SW

Illinois weather for Sunday 8th March 2026

Expect scattered clouds in Illinois with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

16
°C maximum temperature
4
°C minimum temperature
scattered clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
15
kph wind from SW

Illinois weather for Monday 9th March 2026

Expect scattered clouds in Illinois with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

21
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
15
kph wind from SW

Illinois weather for Tuesday 10th March 2026

Expect isolated thunderstorms in Illinois with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 14 kph from the north-east.