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

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Partly Cloudy

16°F

-9°C

Humidity 61%
Wind Speed W 13 G 17 mph
Barometer 30.07 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 18 Jan 10:35 am CST
Extended Forecast for

Symerton IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: A 50 percent chance of snow after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as zero. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 20 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 10pm. Low around 2. Wind chill values as low as -17. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Snow then
    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 9. Wind chill values as low as -21. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 9 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Wind chill values as low as -8. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of snow after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as zero. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Snow, mainly before 10pm. Low around 2. Wind chill values as low as -17. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 9. Wind chill values as low as -21. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 3. Wind chill values as low as -8. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 23. West southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 17.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 11.
Saturday
A chance of snow. Partly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Symerton IL
 41.33°N 88.07°W
Last Update:
10:56 am CST Jan 18, 2026
Forecast Valid:
11am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation