Illinois weather live forecast

Tomorrow's maximum temperature in Illinois is expected to be 9°C.

  • Thursday
    30th Jan
    Sunshine and showers (0-2 mm of rainfall expected)
  • Friday
    31st Jan
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Saturday
    1st Feb
    Broken clouds
  • Sunday
    2nd Feb
    Broken clouds
  • Monday
    3rd Feb
    Broken clouds

5-day weather forecast updated at 04:00 on Thursday 30th January 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 30th January 2025

Expect sunshine and showers in Illinois with a maximum temperature of 9°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a light breeze of 8 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 64% chance of some rain64
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 8°C wind chill8
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Illinois weather for Friday 31st January 2025

Expect mostly cloudy with rain in Illinois with a maximum temperature of 4°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a light breeze of 12 kph from the north.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 73% chance of some rain73
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 12 kph from the North12
    kph wind from N

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Illinois weather for Saturday 1st February 2025

Expect broken clouds in Illinois with a maximum temperature of 4°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

  • 4°C maximum temperature4
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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Illinois weather for Sunday 2nd February 2025

Expect broken clouds in Illinois with a maximum temperature of 11°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Illinois weather for Monday 3rd February 2025

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 light breeze of 8 kph from the north.

  • 4°C maximum temperature4
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Light breeze of 8 kph from the North8
    kph wind from N

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Metric (°C / mm)  |  Imperial (°F / inches)

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