Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 39°F. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 6th February 2026 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 Friday 6th February 2026

Expect mostly cloudy with light snow in Illinois with a maximum temperature of 39°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 23% chance of some snow and a gentle breeze of 9 mph from the north.

  • 39°F maximum temperature39
    °F maximum temperature
  • 21°F minimum temperature21
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 23% chance of some snow23
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 32°F wind chill32
    °F wind chill
  • Gentle breeze of 9 mph from the North9
    mph wind from N

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Illinois weather for Saturday 7th February 2026

Expect broken clouds in Illinois with a maximum temperature of 25°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the north-west.

  • 25°F maximum temperature25
    °F maximum temperature
  • 18°F minimum temperature18
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • 18°F wind chill18
    °F wind chill
  • Light breeze of 7 mph from the North-West7
    mph wind from NW

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Illinois weather for Sunday 8th February 2026

Expect broken clouds in Illinois with a maximum temperature of 32°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 5 mph from the south.

  • 32°F maximum temperature32
    °F maximum temperature
  • 25°F minimum temperature25
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • 27°F wind chill27
    °F wind chill
  • Light breeze of 5 mph from the South5
    mph wind from S

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Illinois weather for Monday 9th February 2026

Expect broken clouds in Illinois with a maximum temperature of 39°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

  • 39°F maximum temperature39
    °F maximum temperature
  • 25°F minimum temperature25
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 37°F wind chill37
    °F wind chill
  • Little or no wind of 4 mph from the South4
    mph wind from S

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Illinois weather for Tuesday 10th February 2026

Expect broken clouds in Illinois with a maximum temperature of 46°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

  • 46°F maximum temperature46
    °F maximum temperature
  • 34°F minimum temperature34
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Light breeze of 5 mph from the South5
    mph wind from S

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