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.

Overcast

44°F

7°C

Humidity 72%
Wind Speed W 9 mph
Barometer 29.63 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Jan 10:15 pm CST
Extended Forecast for

Symerton IL

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Cloudy, with a low around 28. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before 8am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F⇓

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 26. North northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 22 °F

    Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 18.

    High: 18 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 5am. Cloudy, with a low around 28. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow, mainly before 8am. Mostly cloudy, with a temperature falling to around 23 by 5pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 26. North northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Snow. Low around 22. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Mostly cloudy, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 7.
M.L.King Day
Partly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Symerton IL
 41.35°N 88.06°W
Last Update:
9:31 pm CST Jan 13, 2026
Forecast Valid:
10pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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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