Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52° N Lon: 88.18° W Elev: 572 ft.

Fair

60°F

16°C

Humidity 71%
Wind Speed SE 7 mph
Barometer 30.33 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 9:35 am CDT
Detailed forecast for

Grundy County

Rest Of Today
Sunny. Highs around 70. Southeast winds around 5 mph.
Tonight
Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph, becoming south after midnight.
Sunday
Mostly sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph.
Sunday Night
Clear. Lows in the mid 40s. Northwest winds around 5 mph.
Monday
Sunny. Highs in the upper 60s. North winds around 5 mph.
Monday Night
Clear. Lows in the lower 40s.
Tuesday
Sunny. Highs in the lower 70s.
Tuesday Night
Clear. Lows around 50.
Wednesday
Mostly sunny. Highs in the mid 70s.
Wednesday Night
Mostly clear. Lows around 50.
Thursday
Mostly sunny. Highs in the upper 70s.
Thursday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s.
Friday
Sunny. Highs in the mid 70s.



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906 AM CDT Sat Oct 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database