Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Thunderstorm

76°F

24°C

Humidity 85%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Aug 8:35 pm CDT
Extended Forecast for

Mazon IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 4am.  Mostly cloudy, with a low around 73. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 87. Heat index values as high as 97. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am.  Mostly sunny, with a high near 92. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 73. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Heat index values as high as 97. Southwest wind around 5 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
7:26 pm CDT Aug 16, 2025
8pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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