Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be -3°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Wednesday
4th Feb
-3

-6

1

1
Thursday
5th Feb
0

-6

1

1
Friday
6th Feb
4

-3

0

2
Saturday
7th Feb
-2

-6

2

2
Sunday
8th Feb
1

-4

4

2

5-day weather forecast updated at 04:01 on Wednesday 4th February 2026 GMT

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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.

-2
Springfield
-3
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 Wednesday 4th February 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 cm of snow expected and little or no wind of 4 kph from the north-west.

-3
°C maximum temperature
-6
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-4
°C wind chill
4
kph wind from NW

Illinois weather for Thursday 5th February 2026

Expect broken clouds in Illinois with a maximum temperature of 0°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the south-west.

0
°C maximum temperature
-6
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-3
°C wind chill
10
kph wind from SW

Illinois weather for Friday 6th February 2026

Expect broken clouds in Illinois with a maximum temperature of 4°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

4
°C maximum temperature
-3
°C minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
14
kph wind from NW

Illinois weather for Saturday 7th February 2026

Expect broken clouds in Illinois with a maximum temperature of -2°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the north.

-2
°C maximum temperature
-6
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-6
°C wind chill
11
kph wind from N

Illinois weather for Sunday 8th February 2026

Expect broken clouds in Illinois with a maximum temperature of 1°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.