Grundy Center Municipal Airport Rainfall Forecast

Today 7 Sep
20%
Tue 8 Sep
65%
Wed 9 Sep
85%
Thu 10 Sep
No Rain
Fri 11 Sep
15%
Sat 12 Sep
50%
Sun 13 Sep
40%

Grundy Center Municipal Airport Rainfall Statistics

September Rainfall

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

Total Rainfall 2026
30.3in
Daily Average 2026
0.1in
Wettest Day 17 June, 2026
3.4in
Wet Days 2026
66/250 (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
0.1in
Daily Average September
0.02in
Wettest Day 2 September, 2026
0.1in
Wet Days September
2/7 (29%)

Climate (2021–2025)

Marshalltown, Marshalltown Municipal Airport (16.8 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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