Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 10°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Thursday
19th Mar
10

2

10

4
Friday
20th Mar
15

5

3

4
Saturday
21st Mar
17

4

11

5
Sunday
22nd Mar
13

3

0

4
Monday
23rd Mar
4

1

3

3

5-day weather forecast updated at 04:00 on Thursday 19th 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.

21
Springfield
10
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 Thursday 19th March 2026

Expect broken clouds in Illinois with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

10
°C maximum temperature
2
°C minimum temperature
broken clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
10
°C wind chill
4
kph wind from E

Illinois weather for Friday 20th March 2026

Expect broken clouds in Illinois with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

15
°C maximum temperature
5
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from SW

Illinois weather for Saturday 21st March 2026

Expect scattered clouds in Illinois with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

17
°C maximum temperature
4
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
8
kph wind from SW

Illinois weather for Sunday 22nd March 2026

Expect broken clouds in Illinois with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

13
°C maximum temperature
3
°C minimum temperature
broken clouds
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
16
kph wind from N

Illinois weather for Monday 23rd March 2026

Expect broken clouds in Illinois with a maximum temperature of 4°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.