Knox Rainfall Forecast

Today 14 Sep
25%
Tue 15 Sep
75%
Wed 16 Sep
80%
Thu 17 Sep
55%
Fri 18 Sep
35%
Sat 19 Sep
50%
Sun 20 Sep
40%

Knox Rainfall Statistics

September Rainfall

Galesburg Municipal Airport (9.3 miles)

Total Rainfall 2026
577.1in
Daily Average 2026
2.3in
Wettest Day 21 July, 2026
71.6in
Wet Days 2026
72/257 (28%)
Total Rainfall August
4.2in
Daily Average August
0.1in
Wettest Day 1 August, 2026
3.9in
Wet Days August
4/31 (13%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Galesburg Municipal Airport (9.3 miles)

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Annual Average 2021–2025
46.2in
Monthly Average 2021–2026
13.1in
Daily Average 2021–2026
0.4in
Wettest Day 21 July, 2026
71.6in

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