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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Mendota IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 85 °F

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 68 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 80 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 64 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 69 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 81 °F

Monday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 63 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Detailed Forecast

  • Today A 40 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 Showers and thunderstorms likely, mainly after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 80. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night Patchy fog after 1am. Otherwise, partly cloudy, with a low around 64. West southwest wind 5 to 10 mph.
  • Sunday Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph.
  • Sunday Night A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
  • Labor Day Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
  • Tuesday Mostly sunny, with a high near 80.
  • 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.