Gilman Rainfall Forecast

Today 20 Sep
85%
Mon 21 Sep
65%
Tue 22 Sep
55%
Wed 23 Sep
No Rain
Thu 24 Sep
10%
Fri 25 Sep
5%
Sat 26 Sep
25%

Gilman Rainfall Statistics

September Rainfall

Marshalltown, Marshalltown Municipal Airport (16.8 miles)

Total Rainfall 2026
34.3in
Daily Average 2026
0.1in
Wettest Day 17 June, 2026
3.4in
Wet Days 2026
74/263 (28%)
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
4.2in
Daily Average September
0.2in
Wettest Day 18 September, 2026
1in
Wet Days September
10/20 (50%)

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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