Illinois weather live forecast

Tomorrow's maximum temperature in Illinois is expected to be 75°F.

5-day weather forecast updated at 04:00 on Sunday 19th May 2024 GMT

More about Illinois

Illinois by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Illinois

Travel Up: up to £15 off USA flight + hotel deal

  • Save up to £15 on flights + hotels to USA
  • Offer applies to bookings £400 or more
  • Use promo code at check out for deal
Show discount codeShow discount code ******A15
Redeem Travel Up discount code >>

Expires at 23:59 on Friday 31st May 2024 · View all Travel Up offers

The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Illinois destinations

Below are temperatures expected tomorrow at popular destinations in Illinois. Select a destination to see the 5-day weather forecast.

All Illinois destinations

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 Sunday 19th May 2024

Expect scattered clouds in Illinois with a maximum temperature of 75°F, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Light breeze of 4 mph from the North-East4
    mph wind from NE

Back to top

Illinois weather for Monday 20th May 2024

Expect isolated thunderstorms in Illinois with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 6 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

Back to top

Illinois weather for Tuesday 21st May 2024

Expect isolated thunderstorms in Illinois with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 11 mph from the south.

  • 88°F maximum temperature88
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 55% chance of some rain55
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the South11
    mph wind from S

Back to top

Illinois weather for Wednesday 22nd May 2024

Expect isolated thunderstorms in Illinois with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 11 mph from the south-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 42% chance of some rain42
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

Illinois weather for Thursday 23rd May 2024

Expect scattered clouds in Illinois with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Light breeze of 4 mph from the West4
    mph wind from W

Back to top

Travel Up: up to £11 off summer flights + hotels

  • Save up to £11 this summmer on flights + hotels
  • Book breaks across Europe, South America & more
  • Use promo code at check out for offer to apply
Show discount codeShow discount code ******R11
Redeem Travel Up discount code >>

Expires at 23:59 on Friday 31st May 2024 · View all Travel Up offers

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^