Flat Lake Rainfall Forecast

Today 11 Aug
35%
Wed 12 Aug
55%
Thu 13 Aug
45%
Fri 14 Aug
30%
Sat 15 Aug
50%
Sun 16 Aug
20%
Mon 17 Aug
20%

Flat Lake Rainfall Statistics

August Rainfall

Sisseton, Sisseton Municipal Airport (21.7 miles)

Total Rainfall 2026
15.4in
Daily Average 2026
0.1in
Wettest Day 31 July, 2026
2.8in
Wet Days 2026
59/223 (26%)
Total Rainfall July
8.2in
Daily Average July
0.3in
Wettest Day 31 July, 2026
2.8in
Wet Days July
13/31 (42%)
Total Rainfall August
0.01in
Daily Average August
0in
Wettest Day 3 August, 2026
0.01in
Wet Days August
1/11 (9%)

Climate (2021–2025)

Sisseton, Sisseton Municipal Airport (21.7 miles)

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Annual Average 2021–2025
25.3in
Monthly Average 2021–2026
2.2in
Daily Average 2021–2026
0.1in
Wettest Day 31 July, 2026
2.8in

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