Collinsville Rainfall Forecast

Today 20 Sep
70%
Mon 21 Sep
70%
Tue 22 Sep
30%
Wed 23 Sep
55%
Thu 24 Sep
30%
Fri 25 Sep
5%
Sat 26 Sep
5%

Collinsville Rainfall Statistics

September Rainfall

Hook Field Municipal Airport (11.2 miles)

Total Rainfall 2026
76.6in
Daily Average 2026
0.3in
Wettest Day 1 August, 2026
5.6in
Wet Days 2026
86/263 (33%)
Total Rainfall August
21.4in
Daily Average August
0.7in
Wettest Day 1 August, 2026
5.6in
Wet Days August
15/31 (48%)
Total Rainfall September
3in
Daily Average September
0.2in
Wettest Day 12 September, 2026
1.8in
Wet Days September
7/20 (35%)

Climate (2021–2025)

Hook Field Municipal Airport (11.2 miles)

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Annual Average 2021–2025
50.6in
Monthly Average 2021–2026
5in
Daily Average 2021–2026
0.2in
Wettest Day 3 March, 2023
5.7in

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