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Illinois weather live forecast
Today's maximum temperature in Illinois is expected to be 0°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.
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Wednesday
3rd Dec
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Thursday
4th Dec
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Friday
5th Dec -
Saturday
6th Dec -
Sunday
7th Dec
5-day weather forecast updated at 04:01 on Wednesday 3rd December 2025 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.
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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 3rd December 2025
Expect broken clouds in Illinois with a maximum temperature of 0°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
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broken clouds
- hours of sunshine
- UV index (Low)
- cm of snow expected
- °C wind chill
- kph wind from SW
Illinois weather for Thursday 4th December 2025
Expect scattered clouds in Illinois with a maximum temperature of -8°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
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scattered clouds
- hours of sunshine
- UV index (Low)
- cm of snow expected
- °C wind chill
- kph wind from NW
Illinois weather for Friday 5th December 2025
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 12 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
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broken clouds
- hours of sunshine
- UV index (Low)
- cm of snow expected
- °C wind chill
- kph wind from SW
Illinois weather for Saturday 6th December 2025
Expect broken clouds in Illinois with a maximum temperature of 0°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the west.
- °C maximum temperature
- °C minimum temperature
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broken clouds
- hours of sunshine
- UV index (Low)
- cm of snow expected
- °C wind chill
- kph wind from W
Illinois weather for Sunday 7th December 2025
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 47% chance of some snow and a light breeze of 7 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
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clear skies with flurries of snow
- hours of sunshine
- UV index (Low)
- % chance of some snow
- cm of snow expected
- °C wind chill
- kph wind from NE
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Metric (°C / mm) | Imperial (°F / inches)
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