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

72°F

22°C

Humidity 62%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 12:15 pm CDT
Extended Forecast for

4 Miles NNE Diamond IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. South southwest wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 81. South southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 61. South wind around 5 mph.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 70. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 85. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Diamond IL
 41.35°N 88.21°W
Last Update:
12:21 pm CDT Oct 11, 2026
Forecast Valid:
12pm CDT Oct 11, 2026-6pm CDT Oct 17, 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