Winona Rainfall Forecast

Today 26 Aug
40%
Thu 27 Aug
60%
Fri 28 Aug
20%
Sat 29 Aug
No Rain
Sun 30 Aug
5%
Mon 31 Aug
10%
Tue 1 Sep
20%

Winona Rainfall Statistics

August Rainfall

Winona-Montgomery County Airport (0.6 miles)

Total Rainfall 2026
57.1in
Daily Average 2026
0.4in
Wettest Day 20 May, 2026
10.9in
Wet Days 2026
42/238 (18%)
Total Rainfall July
5.6in
Daily Average July
0.2in
Wettest Day 14 July, 2026
2.1in
Wet Days July
8/31 (26%)
Total Rainfall August
4.1in
Daily Average August
0.2in
Wettest Day 9 August, 2026
2.3in
Wet Days August
7/26 (27%)

Climate (2021–2025)

Winona-Montgomery County Airport (0.6 miles)

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Annual Average 2021–2025
31.9in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.2in
Wettest Day 20 May, 2026
10.9in

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