Illinois weather forecast

  • Wednesday
    19th Sep
    Broken clouds
  • Thursday
    20th Sep
    Scattered clouds (0-2 mm of rainfall expected)
  • Friday
    21st Sep
    Scattered clouds
  • Saturday
    22nd Sep
    Broken clouds
  • Sunday
    23rd Sep
    Clear skies

Last updated at 16:07 on Wednesday 19th September 2018 GMT

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Tomorrow's maximum temperature in Illinois is expected to be 34°C. The weather forecast shown above is for Chicago.

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

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 19th September 2018

Below is the Illinois weather forecast for Wednesday 19th September 2018. Expect broken clouds in Illinois with a maximum temperature of 23°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

  • 23
    °C maximum temperature
  • broken clouds
  • 5
    hours of sunshine
  • 0
    mm of rainfall expected
  • 14
    kph wind from E

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Illinois weather for Thursday 20th September 2018

Below is the Illinois weather forecast for Thursday 20th September 2018. Expect scattered clouds in Illinois with a maximum temperature of 34°C, high levels of heat & humidity and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a light breeze of 11 kph from the east.

  • 34
    °C maximum temperature
  • 21
    °C minimum temperature
  • scattered clouds
  • 7
    hours of sunshine
  • 39
    % chance of some rain
  • <2
    mm of rainfall expected
  • H
    high heat & humidity
  • 11
    kph wind from E

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Illinois weather for Friday 21st September 2018

Below is the Illinois weather forecast for Friday 21st September 2018. Expect scattered clouds in Illinois with a maximum temperature of 28°C, low levels of heat & humidity and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 28
    °C maximum temperature
  • 15
    °C minimum temperature
  • scattered clouds
  • 7
    hours of sunshine
  • 0
    mm of rainfall expected
  • L
    low heat & humidity
  • 9
    kph wind from S

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Illinois weather for Saturday 22nd September 2018

Below is the Illinois weather forecast for Saturday 22nd September 2018. Expect broken clouds in Illinois with a maximum temperature of 18°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

  • 18
    °C maximum temperature
  • 15
    °C minimum temperature
  • broken clouds
  • 5
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 12
    kph wind from S

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Illinois weather for Sunday 23rd September 2018

Below is the Illinois weather forecast for Sunday 23rd September 2018. Expect clear skies in Illinois with a maximum temperature of 22°C and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 22
    °C maximum temperature
  • 13
    °C minimum temperature
  • clear skies
  • 11
    hours of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 15
    kph wind from SW

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