Illinois weather live forecast

Tomorrow's maximum temperature in Illinois is expected to be 57°F.

5-day weather forecast updated at 04:00 on Friday 2nd May 2025 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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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 2nd May 2025

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 57°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and little or no wind of 4 mph from the north-east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 19% chance of some rain19
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Little or no wind of 4 mph from the North-East4
    mph wind from NE

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Illinois weather for Saturday 3rd May 2025

Expect sunshine and showers in Illinois with a maximum temperature of 48°F, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 7 mph from the north.

  • 48°F maximum temperature48
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Light breeze of 7 mph from the North7
    mph wind from N

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Illinois weather for Sunday 4th May 2025

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 50°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 7 mph from the north.

  • 50°F maximum temperature50
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 64% chance of some rain64
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 46°F wind chill46
    °F wind chill
  • Light breeze of 7 mph from the North7
    mph wind from N

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Illinois weather for Monday 5th May 2025

Expect mostly cloudy with light rain in Illinois with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 5 mph from the north-east.

  • 54°F maximum temperature54
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Light breeze of 5 mph from the North-East5
    mph wind from NE

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Illinois weather for Tuesday 6th May 2025

Expect broken clouds in Illinois with a maximum temperature of 64°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 1 mph from the east.

  • 64°F maximum temperature64
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Little or no wind of 1 mph from the East1
    mph wind from E

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Metric (°C)  |  Imperial (°F)

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