Dewey Lake Rainfall Forecast

Today 12 Sep
10%
Sun 13 Sep
20%
Mon 14 Sep
No Rain
Tue 15 Sep
50%
Wed 16 Sep
75%
Thu 17 Sep
65%
Fri 18 Sep
20%

Dewey Lake Rainfall Statistics

September Rainfall

Southwest Michigan Regional Airport (12.4 miles)

Total Rainfall 2026
22.6in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
1.9in
Wet Days 2026
104/255 (41%)
Total Rainfall August
2.2in
Daily Average August
0.1in
Wettest Day 9 August, 2026
0.4in
Wet Days August
15/31 (48%)
Total Rainfall September
0.7in
Daily Average September
0.1in
Wettest Day 4 September, 2026
0.2in
Wet Days September
4/12 (33%)

Climate (2021–2025)

Southwest Michigan Regional Airport (12.4 miles)

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Annual Average 2021–2025
33.9in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 15 July, 2024
2.4in

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