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.

Fair

35°F

2°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.92 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Jan 2:15 am CST
Extended Forecast for

Joliet IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 35. South southwest wind 5 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 3am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow and
    Blustery

  • Wednesday

    Wednesday: A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 31 °F

    Chance Snow
    Showers and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly after noon. Cloudy, with a high near 34.

    High: 34 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 35. South southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 50. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of rain and snow showers between 3am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 15. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 26.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
Snow likely, mainly after noon. Cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 16.
Saturday
A chance of snow. Mostly cloudy, with a high near 20.
Saturday Night
A chance of snow. 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 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.55°N 88.14°W
Last Update:
12:46 am CST Jan 13, 2026
Forecast Valid:
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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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