Big Marsh Wildlife Area Rainfall Forecast

Today 2 May
5%
Sun 3 May
30%
Mon 4 May
20%
Tue 5 May
20%
Wed 6 May
10%
Thu 7 May
10%
Fri 8 May
10%

Big Marsh Wildlife Area Rainfall Statistics

May Rainfall

Waterloo, Waterloo Municipal Airport (22.4 miles)

Total Rainfall 2026
9.3in
Daily Average 2026
0.1in
Wettest Day 6 March, 2026
1.6in
Wet Days 2026
29/122 (24%)
Total Rainfall April
4.7in
Daily Average April
0.2in
Wettest Day 2 April, 2026
1.4in
Wet Days April
10/30 (33%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 2 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Waterloo, Waterloo Municipal Airport (22.4 miles)

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Annual Average 2021–2025
31.4in
Monthly Average 2021–2026
2.7in
Daily Average 2021–2026
0.1in
Wettest Day 21 May, 2024
2.8in

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