Rock Island Rainfall Forecast

Today 10 Sep
55%
Fri 11 Sep
25%
Sat 12 Sep
20%
Sun 13 Sep
30%
Mon 14 Sep
15%
Tue 15 Sep
20%
Wed 16 Sep
20%

Rock Island Rainfall Statistics

September Rainfall

Robert R Wells Jr Airport (8.1 miles)

Total Rainfall 2026
33.2in
Daily Average 2026
0.1in
Wettest Day 1 May, 2026
4.7in
Wet Days 2026
56/253 (22%)
Total Rainfall August
0.9in
Daily Average August
0.03in
Wettest Day 27 August, 2026
0.4in
Wet Days August
5/31 (16%)
Total Rainfall September
2.2in
Daily Average September
0.3in
Wettest Day 3 September, 2026
1.7in
Wet Days September
3/10 (30%)

Climate (2021–2025)

Robert R Wells Jr Airport (8.1 miles)

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Annual Average 2021–2025
41.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 24 January, 2023
8.5in

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