Des Plaines Dolomite Prairies Land and Water Reserve Rainfall Forecast

Today 28 Sep
No Rain
Tue 29 Sep
No Rain
Wed 30 Sep
10%
Thu 1 Oct
85%
Fri 2 Oct
55%
Sat 3 Oct
20%
Sun 4 Oct
20%

Des Plaines Dolomite Prairies Land and Water Reserve Rainfall Statistics

September Rainfall

Joliet Regional Airport (9.9 miles)

Total Rainfall 2026
41.3in
Daily Average 2026
0.2in
Wettest Day 1 August, 2026
4.4in
Wet Days 2026
90/271 (33%)
Total Rainfall August
8.5in
Daily Average August
0.3in
Wettest Day 1 August, 2026
4.4in
Wet Days August
10/31 (32%)
Total Rainfall September
1.5in
Daily Average September
0.1in
Wettest Day 17 September, 2026
0.4in
Wet Days September
13/28 (46%)

Climate (2021–2025)

Joliet Regional Airport (9.9 miles)

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

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