Knox Rainfall Forecast

Today 21 May
5%
Fri 22 May
20%
Sat 23 May
35%
Sun 24 May
25%
Mon 25 May
5%
Tue 26 May
25%
Wed 27 May
40%

Knox Rainfall Statistics

May Rainfall

Galesburg Municipal Airport (9.3 miles)

Total Rainfall 2026
18.2in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
2.1in
Wet Days 2026
29/141 (21%)
Total Rainfall April
9.9in
Daily Average April
0.3in
Wettest Day 2 April, 2026
2.1in
Wet Days April
10/30 (33%)
Total Rainfall May
2.5in
Daily Average May
0.1in
Wettest Day 4 May, 2026
0.8in
Wet Days May
6/21 (29%)

Climate (2010–Present)

Galesburg Municipal Airport (9.3 miles)

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Annual Average 2021–2025
46.2in
Monthly Average 2021–2026
4in
Daily Average 2021–2026
0.1in
Wettest Day 4 July, 2023
16.3in

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