National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Hazardous Weather Conditions

Current Conditions

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Naperville IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 85 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 70 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 81 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 67 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 70 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 82 °F

Monday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 64 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 81 °F

Detailed Forecast

  • Today A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. South wind 10 to 15 mph, with gusts as high as 25 mph.
  • Tonight A 40 percent chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 20 mph.
  • Saturday Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Night Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph.
  • Sunday Mostly sunny, with a high near 84. South southwest wind around 5 mph, with gusts as high as 10 mph.
  • Sunday Night Partly cloudy, with a low around 70.
  • Labor Day Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
  • Tuesday Mostly sunny, with a high near 81.
  • Tuesday Night Partly cloudy, with a low around 63.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.