Illinois weather forecast

  • Monday
    6th Dec
    Scattered clouds
  • Tuesday
    7th Dec
    Broken clouds
  • Wednesday
    8th Dec
    Scattered clouds
  • Thursday
    9th Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Friday
    10th Dec
    Broken clouds

Last updated at 04:02 on Monday 6th December 2021 GMT

Below are temperatures expected tomorrow at popular destinations in Illinois. Select a destination to see the 5-day weather forecast.

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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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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 Monday 6th December 2021

Below is the Illinois weather forecast for Monday 6th December 2021. Expect scattered clouds in Illinois with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Fresh breeze of 34 kph from the West34
    kph wind from W

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Illinois weather for Tuesday 7th December 2021

Below is the Illinois weather forecast for Tuesday 7th December 2021. Expect broken clouds in Illinois with a maximum temperature of -3°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 18 kph from the west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Illinois weather for Wednesday 8th December 2021

Below is the Illinois weather forecast for Wednesday 8th December 2021. Expect scattered clouds in Illinois with a maximum temperature of 2°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Illinois weather for Thursday 9th December 2021

Below is the Illinois weather forecast for Thursday 9th December 2021. Expect mostly cloudy with light rain in Illinois with a maximum temperature of 4°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 25 kph from the south.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 25 kph from the South25
    kph wind from S

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Illinois weather for Friday 10th December 2021

Below is the Illinois weather forecast for Friday 10th December 2021. Expect broken clouds in Illinois with a maximum temperature of 6°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

  • 6°C maximum temperature6
    °C maximum temperature
  • 1°C minimum temperature1
    °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 chill4
    °C wind chill
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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

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