Illinois weather live forecast

Tomorrow's maximum temperature in Illinois is expected to be -1°C.

5-day weather forecast updated at 04:00 on Wednesday 12th February 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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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 Tuesday 11th February 2025

Expect mostly cloudy with light snow in Illinois with a maximum temperature of -1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 17% chance of some snow and a light breeze of 11 kph from the north.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 17% chance of some snow17
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Illinois weather for Wednesday 12th February 2025

Expect cloudy with some snow in Illinois with a maximum temperature of -4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 100% chance of some snow and a gentle breeze of 13 kph from the north-east.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some snow100
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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Illinois weather for Thursday 13th February 2025

Expect clear skies with flurries of snow in Illinois with a maximum temperature of -5°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 8% chance of some snow and a light breeze of 12 kph from the west.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -15°C minimum temperature-15
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 8% chance of some snow8
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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Illinois weather for Friday 14th February 2025

Expect mostly cloudy with light snow in Illinois with a maximum temperature of -2°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 cm of snow expected with 96% chance of some snow and a light breeze of 10 kph from the south.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -17°C minimum temperature-17
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 96% chance of some snow96
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Light breeze of 10 kph from the South10
    kph wind from S

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Illinois weather for Saturday 15th February 2025

Expect mostly cloudy with light snow in Illinois with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 cm of snow expected with 70% chance of some snow and a gentle breeze of 16 kph from the north.

  • 0°C maximum temperature0
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 70% chance of some snow70
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 16 kph from the North16
    kph wind from N

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

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