Altoona Rainfall Forecast

Today 24 May
No Rain
Mon 25 May
20%
Tue 26 May
5%
Wed 27 May
40%
Thu 28 May
35%
Fri 29 May
40%
Sat 30 May
20%

Altoona Rainfall Statistics

May Rainfall

Ankeny Regional Airport (5.6 miles)

Total Rainfall 2026
11.2in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
1.6in
Wet Days 2026
27/144 (19%)
Total Rainfall April
5.3in
Daily Average April
0.2in
Wettest Day 9 April, 2026
1.2in
Wet Days April
11/30 (37%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 18 May, 2026
1.6in
Wet Days May
6/24 (25%)

Climate (2010–Present)

Ankeny Regional Airport (5.6 miles)

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Annual Average 2021–2025
19.7in
Monthly Average 2021–2026
1.8in
Daily Average 2021–2026
0.1in
Wettest Day 21 May, 2024
2.4in

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