National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Hazardous Weather Conditions

Current Conditions

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4 Miles ENE Chicago IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 83 °F

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

Low: 73 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 85 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 72 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 81 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 71 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 85 °F

Sunday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 73 °F

Monday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 85 °F

Detailed Forecast

  • Today Showers and thunderstorms, mainly before 10am. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
  • Tonight Showers and thunderstorms likely. Mostly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
  • Friday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 5 to 10 mph becoming east in the afternoon.
  • Friday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 5 to 10 mph becoming northeast in the evening.
  • Saturday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northeast wind 5 to 10 mph.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
  • Sunday Mostly sunny, with a high near 85.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
  • Monday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 82.
  • Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
  • Wednesday A chance of showers and thunderstorms. Partly sunny, with a high near 83.