National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Mostly Cloudy

88°F

31°C

Humidity 36%
Wind Speed S 15 G 21 mph
Barometer 30.08 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Oct 2:15 pm CDT
Extended Forecast for

Symerton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 61. South wind around 5 mph.
Sunday
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Symerton IL
 41.33°N 88.07°W
Last Update:
1:41 pm CDT Oct 4, 2025
Forecast Valid:
2pm CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation