Forestville / Mystery Cave State Park Rainfall Forecast

Today 18 Sep
60%
Fri 19 Sep
75%
Sat 20 Sep
80%
Sun 21 Sep
45%
Mon 22 Sep
35%
Tue 23 Sep
30%
Wed 24 Sep
20%

Forestville / Mystery Cave State Park Rainfall Statistics

September Rainfall

Preston, Fillmore County Airport (2.5 miles)

Total Rainfall 2025
26.1in
Daily Average 2025
0.1in
Wettest Day 18 August, 2025
2.1in
Wet Days 2025
73/261 (28%)
Total Rainfall August
5.7in
Daily Average August
0.2in
Wettest Day 18 August, 2025
2.1in
Wet Days August
9/31 (29%)
Total Rainfall September
0.5in
Daily Average September
0.03in
Wettest Day 15 September, 2025
0.2in
Wet Days September
7/18 (39%)

Climate (2010–Present)

Preston, Fillmore County Airport (2.5 miles)

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Annual Average 2020–2024
16.6in
Monthly Average 2020–2025
1.6in
Daily Average 2020–2025
0.1in
Wettest Day 22 June, 2024
3in

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