Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 1°C. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

5-day weather forecast updated at 04:00 on Thursday 27th November 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.

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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 Thursday 27th November 2025

Expect broken clouds in Illinois with a maximum temperature of 1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

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Illinois weather for Friday 28th November 2025

Expect scattered clouds in Illinois with a maximum temperature of 0°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

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Illinois weather for Saturday 29th November 2025

Expect cloudy with some snow in Illinois with a maximum temperature of 0°C and no hours of bright sunshine. There are 10-20 cm of snow expected with 100% chance of some snow and a gentle breeze of 16 kph from the south-east.

  • 0°C maximum temperature0
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 100% chance of some snow100
    % chance of some snow
  • 10-20 cm of snow expected<20
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Gentle breeze of 16 kph from the South-East16
    kph wind from SE

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Illinois weather for Sunday 30th November 2025

Expect cloudy with sleet or snow in Illinois with a maximum temperature of 1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 35% chance of some sleet or snow and a moderate breeze of 20 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 35% chance of some sleet or snow35
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    kph wind from NW

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Illinois weather for Monday 1st December 2025

Expect scattered clouds in Illinois with a maximum temperature of -6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the north-west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Light breeze of 10 kph from the North-West10
    kph wind from NW

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  • Sign up to myTUI. Discount varies by spend. T&Cs apply
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Metric (°C / mm)  |  Imperial (°F / inches)

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