Otter Creek Lake Rainfall Forecast

Today 11 Sep
No Rain
Sat 12 Sep
35%
Sun 13 Sep
55%
Mon 14 Sep
65%
Tue 15 Sep
75%
Wed 16 Sep
45%
Thu 17 Sep
45%

Otter Creek Lake Rainfall Statistics

September Rainfall

Marshalltown, Marshalltown Municipal Airport (20.5 miles)

Total Rainfall 2026
30.8in
Daily Average 2026
0.1in
Wettest Day 17 June, 2026
3.4in
Wet Days 2026
67/254 (26%)
Total Rainfall August
3.4in
Daily Average August
0.1in
Wettest Day 13 August, 2026
1.1in
Wet Days August
12/31 (39%)
Total Rainfall September
0.7in
Daily Average September
0.1in
Wettest Day 8 September, 2026
0.5in
Wet Days September
3/11 (27%)

Climate (2021–2025)

Marshalltown, Marshalltown Municipal Airport (20.5 miles)

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Annual Average 2021–2025
26.6in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 17 June, 2026
3.4in

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