Grundy Center Rainfall Forecast

Today 11 Aug
40%
Wed 12 Aug
35%
Thu 13 Aug
80%
Fri 14 Aug
55%
Sat 15 Aug
65%
Sun 16 Aug
45%
Mon 17 Aug
15%

Grundy Center Rainfall Statistics

August Rainfall

Marshalltown, Marshalltown Municipal Airport (18.6 miles)

Total Rainfall 2026
27.2in
Daily Average 2026
0.1in
Wettest Day 17 June, 2026
3.4in
Wet Days 2026
56/223 (25%)
Total Rainfall July
6.6in
Daily Average July
0.2in
Wettest Day 2 July, 2026
1.9in
Wet Days July
11/31 (35%)
Total Rainfall August
0.5in
Daily Average August
0.1in
Wettest Day 5 August, 2026
0.3in
Wet Days August
4/11 (36%)

Climate (2021–2025)

Marshalltown, Marshalltown Municipal Airport (18.6 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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