McCook Lake Rainfall Forecast

Today 25 Sep
90%
Sat 26 Sep
100%
Sun 27 Sep
45%
Mon 28 Sep
5%
Tue 29 Sep
75%
Wed 30 Sep
45%
Thu 1 Oct
25%

McCook Lake Rainfall Statistics

September Rainfall

Sioux City, Sioux Gateway Airport (11.2 miles)

Total Rainfall 2026
19in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
1.8in
Wet Days 2026
68/268 (25%)
Total Rainfall August
3.9in
Daily Average August
0.1in
Wettest Day 13 August, 2026
1.7in
Wet Days August
9/31 (29%)
Total Rainfall September
2in
Daily Average September
0.1in
Wettest Day 2 September, 2026
0.4in
Wet Days September
15/25 (60%)

Climate (2021–2025)

Sioux City, Sioux Gateway Airport (11.2 miles)

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Annual Average 2021–2025
24.8in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 28 July, 2024
2.8in

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