Zion Rainfall Forecast

Today 23 Sep
5%
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain
Sun 27 Sep
10%
Mon 28 Sep
No Rain
Tue 29 Sep
20%

Zion Rainfall Statistics

September Rainfall

Chicago/Waukegan Regional Airport (1.9 miles)

Total Rainfall 2026
35.2in
Daily Average 2026
0.1in
Wettest Day 11 June, 2026
2in
Wet Days 2026
86/266 (32%)
Total Rainfall August
6.1in
Daily Average August
0.2in
Wettest Day 1 August, 2026
1.5in
Wet Days August
15/31 (48%)
Total Rainfall September
4.3in
Daily Average September
0.2in
Wettest Day 19 September, 2026
1.7in
Wet Days September
9/23 (39%)

Climate (2021–2025)

Chicago/Waukegan Regional Airport (1.9 miles)

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Annual Average 2021–2025
31.8in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 23 July, 2022
3.9in

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