Prospect Heights Rainfall Forecast

Today 14 Sep
20%
Tue 15 Sep
80%
Wed 16 Sep
60%
Thu 17 Sep
65%
Fri 18 Sep
30%
Sat 19 Sep
50%
Sun 20 Sep
50%

Prospect Heights Rainfall Statistics

September Rainfall

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

Total Rainfall 2026
27.3in
Daily Average 2026
0.1in
Wettest Day 9 August, 2026
1.8in
Wet Days 2026
82/257 (32%)
Total Rainfall August
4.2in
Daily Average August
0.1in
Wettest Day 9 August, 2026
1.8in
Wet Days August
12/31 (39%)
Total Rainfall September
0.7in
Daily Average September
0.1in
Wettest Day 9 September, 2026
0.4in
Wet Days September
3/14 (21%)

Climate (2021–2025)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

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Annual Average 2021–2025
28.7in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 11 September, 2022
2in

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