Ottumwa Junction Rainfall Forecast

Today 18 Aug
40%
Wed 19 Aug
35%
Thu 20 Aug
5%
Fri 21 Aug
25%
Sat 22 Aug
25%
Sun 23 Aug
20%
Mon 24 Aug
25%

Ottumwa Junction Rainfall Statistics

August Rainfall

Ottumwa Regional Airport (3.1 miles)

Total Rainfall 2026
15.2in
Daily Average 2026
0.1in
Wettest Day 10 June, 2026
1.4in
Wet Days 2026
50/230 (22%)
Total Rainfall July
2.1in
Daily Average July
0.1in
Wettest Day 18 July, 2026
0.4in
Wet Days July
8/31 (26%)
Total Rainfall August
1.6in
Daily Average August
0.1in
Wettest Day 5 August, 2026
1.3in
Wet Days August
5/18 (28%)

Climate (2021–2025)

Ottumwa Regional Airport (3.1 miles)

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Annual Average 2021–2025
27.2in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 17 September, 2022
2.7in

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