Illinois weather forecast

Tomorrow's maximum temperature in Illinois is expected to be -4°C. The weather forecast shown below is for Chicago.

Illinois: 5-day weather forecast

Click on a symbol below to see the daily forecast in detail.

  • Tuesday
    16th Jan
    Scattered clouds (0-2 cm of snow expected)
  • Wednesday
    17th Jan
    Scattered clouds
  • Thursday
    18th Jan
    Scattered clouds
  • Friday
    19th Jan
    Clear skies
  • Saturday
    20th Jan
    Overcast skies

Last updated at 16:08 on Tuesday 16th January 2018 GMT

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

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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 Tuesday 16th January 2018

Below is the Illinois weather forecast for Tuesday 16th January 2018. Expect scattered clouds in Illinois with a maximum temperature of -6°C and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 49% chance of some snow and a moderate breeze of 24 kph from the north-west.

  • -6
    °C maximum temperature
  • scattered clouds
  • 5
    hours of sunshine
  • 49
    % chance of some snow
  • <2
    cm of snow expected
  • -13
    °C wind chill
  • 24
    kph wind from NW

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Illinois weather for Wednesday 17th January 2018

Below is the Illinois weather forecast for Wednesday 17th January 2018. Expect scattered clouds in Illinois with a maximum temperature of -4°C and 8 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 35 kph from the south-west.

  • -4
    °C maximum temperature
  • -12
    °C minimum temperature
  • scattered clouds
  • 8
    hours of sunshine
  • 0
    cm of snow expected
  • -12
    °C wind chill
  • 35
    kph wind from SW

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Illinois weather for Thursday 18th January 2018

Below is the Illinois weather forecast for Thursday 18th January 2018. Expect scattered clouds in Illinois with a maximum temperature of 2°C and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

  • 2
    °C maximum temperature
  • -7
    °C minimum temperature
  • scattered clouds
  • 7
    hours of sunshine
  • 0
    mm of rainfall expected
  • -4
    °C wind chill
  • 34
    kph wind from SW

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Illinois weather for Friday 19th January 2018

Below is the Illinois weather forecast for Friday 19th January 2018. Expect clear skies in Illinois with a maximum temperature of 4°C and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the south-west.

  • 4
    °C maximum temperature
  • -4
    °C minimum temperature
  • clear skies
  • 9
    hours of sunshine
  • 0
    mm of rainfall expected
  • -2
    °C wind chill
  • 33
    kph wind from SW

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Illinois weather for Saturday 20th January 2018

Below is the Illinois weather forecast for Saturday 20th January 2018. Expect overcast skies in Illinois with a maximum temperature of 7°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

  • 7
    °C maximum temperature
  • 2
    °C minimum temperature
  • overcast skies
  • 0
    hours of sunshine
  • 0
    mm of rainfall expected
  • 3
    °C wind chill
  • 24
    kph wind from SW

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Illinois weather by month

Check Illinois weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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