National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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Chicago IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Tonight

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 47 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 53 °F

Sunday
Night

Rain Chance for Measurable Precipitation 100%

Rain

Low: 42 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 42 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 24 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 29 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 23 °F

Wednesday

Chance Snow

Chance
Snow

High: 35 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 26 °F

Detailed Forecast

  • Tonight A 40 percent chance of rain, mainly between 10pm and 5am. Areas of fog between midnight and 5am. Otherwise, cloudy, with a low around 47. South southwest wind around 15 mph.
  • Sunday Rain, mainly after noon. Areas of fog after 10am. High near 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Sunday Night Rain. Patchy fog before 3am. Low around 42. East southeast wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Monday A chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 42. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
  • Monday Night A 40 percent chance of snow showers, mainly after midnight. Cloudy, with a low around 24. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
  • Tuesday A chance of snow showers before noon, then a chance for flurries. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
  • Tuesday Night Partly cloudy, with a low around 23.
  • Wednesday A chance of snow showers. Mostly cloudy, with a high near 35.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 26.
  • Thanksgiving Day A chance of snow showers. Mostly cloudy, with a high near 32.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 18.
  • Friday Partly sunny, with a high near 25.
  • Friday Night Mostly cloudy, with a low around 17.
  • Saturday A slight chance of snow showers. Partly sunny, with a high near 25.