Rock Run County Forest Preserve Rainfall Forecast

Today 28 Oct
10%
Thu 29 Oct
30%
Fri 30 Oct
25%
Sat 31 Oct
35%
Sun 1 Nov
40%
Mon 2 Nov
50%
Tue 3 Nov
60%

Rock Run County Forest Preserve Rainfall Statistics

October Rainfall

Joliet Regional Airport (1.2 miles)

Total Rainfall 2026
44.8 in
Daily Average 2026
0.2 in
Wettest Day 1 August, 2026
4.4 in
Wet Days 2026
103/301 (34%)
Total Rainfall September
1.6 in
Daily Average September
0.1 in
Wettest Day 17 September, 2026
0.4 in
Wet Days September
17/30 (57%)
Total Rainfall October
3.4 in
Daily Average October
0.1 in
Wettest Day 15 October, 2026
1 in
Wet Days October
9/28 (32%)

Climate (2021–2025)

Joliet Regional Airport (1.2 miles)

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Annual Average 2021–2025
37.4 in
Monthly Average 2021–2026
3.5 in
Daily Average 2021–2026
0.1 in
Wettest Day 6 September, 2023
4.4 in

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