Irwin Rainfall Forecast

Today 9 Sep
70%
Thu 10 Sep
10%
Fri 11 Sep
No Rain
Sat 12 Sep
25%
Sun 13 Sep
30%
Mon 14 Sep
30%
Tue 15 Sep
50%

Irwin Rainfall Statistics

September Rainfall

Greater Kankakee Airport (6.8 miles)

Total Rainfall 2026
43.9in
Daily Average 2026
0.2in
Wettest Day 1 August, 2026
4.5in
Wet Days 2026
67/252 (27%)
Total Rainfall August
10in
Daily Average August
0.3in
Wettest Day 1 August, 2026
4.5in
Wet Days August
13/31 (42%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Greater Kankakee Airport (6.8 miles)

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Annual Average 2021–2025
39.5in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 5 August, 2023
5.5in

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