Grand River Rainfall Forecast

Today 30 May
60%
Sun 31 May
70%
Mon 1 Jun
70%
Tue 2 Jun
10%
Wed 3 Jun
15%
Thu 4 Jun
30%
Fri 5 Jun
40%

Grand River Rainfall Statistics

May Rainfall

Lamoni, Lamoni Municipal Airport (13 miles)

Total Rainfall 2026
15.5in
Daily Average 2026
0.1in
Wettest Day 16 May, 2026
2in
Wet Days 2026
33/150 (22%)
Total Rainfall April
7.5in
Daily Average April
0.3in
Wettest Day 27 April, 2026
1.6in
Wet Days April
14/30 (47%)
Total Rainfall May
4.9in
Daily Average May
0.2in
Wettest Day 16 May, 2026
2in
Wet Days May
6/30 (20%)

Climate (2010–Present)

Lamoni, Lamoni Municipal Airport (13 miles)

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Annual Average 2021–2025
32.9in
Monthly Average 2021–2026
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 10 July, 2021
3.8in

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