Mendota Rainfall Forecast

Today 14 Sep
No Rain
Mon 15 Sep
No Rain
Tue 16 Sep
5%
Wed 17 Sep
5%
Thu 18 Sep
25%
Fri 19 Sep
35%
Sat 20 Sep
30%

Mendota Rainfall Statistics

September Rainfall

Illinois Valley Regional Airport (13 miles)

Total Rainfall 2025
30.5in
Daily Average 2025
0.1in
Wettest Day 17 August, 2025
3.1in
Wet Days 2025
50/257 (19%)
Total Rainfall August
4.2in
Daily Average August
0.1in
Wettest Day 17 August, 2025
3.1in
Wet Days August
3/31 (10%)
Total Rainfall September
0.4in
Daily Average September
0.03in
Wettest Day 3 September, 2025
0.4in
Wet Days September
1/14 (7%)

Climate (2010–Present)

Illinois Valley Regional Airport (13 miles)

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Annual Average 2020–2024
30.9in
Monthly Average 2020–2025
2.8in
Daily Average 2020–2025
0.1in
Wettest Day 14 December, 2022
3.4in

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