Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 10°C. 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 Saturday 14th 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 Saturday 14th February 2026

Expect scattered clouds in Illinois with a maximum temperature of 10°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the south-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 10°C wind chill10
    °C wind chill
  • Little or no wind of 2 kph from the South-West2
    kph wind from SW

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Illinois weather for Sunday 15th February 2026

Expect scattered clouds in Illinois with a maximum temperature of 13°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Little or no wind of 2 kph from the South-West2
    kph wind from SW

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Illinois weather for Monday 16th February 2026

Expect broken clouds in Illinois with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Illinois weather for Tuesday 17th February 2026

Expect broken clouds in Illinois with a maximum temperature of 11°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the East12
    kph wind from E

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Illinois weather for Wednesday 18th February 2026

Expect broken clouds in Illinois with a maximum temperature of 19°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 10°C minimum temperature10
    °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
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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

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