Helmar Rainfall Forecast

Today 22 Sep
40%
Wed 23 Sep
15%
Thu 24 Sep
5%
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain
Sun 27 Sep
10%
Mon 28 Sep
10%

Helmar Rainfall Statistics

September Rainfall

Joliet Regional Airport (15.5 miles)

Total Rainfall 2026
41.1in
Daily Average 2026
0.2in
Wettest Day 1 August, 2026
4.4in
Wet Days 2026
85/265 (32%)
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
1.2in
Daily Average September
0.1in
Wettest Day 17 September, 2026
0.4in
Wet Days September
8/22 (36%)

Climate (2021–2025)

Joliet Regional Airport (15.5 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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