Southern Illinois Airport Rainfall Forecast

Today 9 May
75%
Sun 10 May
5%
Mon 11 May
No Rain
Tue 12 May
No Rain
Wed 13 May
25%
Thu 14 May
No Rain
Fri 15 May
15%

Southern Illinois Airport Rainfall Statistics

May Rainfall

Southern Illinois Airport (0 miles)

Total Rainfall 2026
9.8in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days 2026
28/129 (22%)
Total Rainfall April
3.2in
Daily Average April
0.1in
Wettest Day 4 April, 2026
0.9in
Wet Days April
9/30 (30%)
Total Rainfall May
0.9in
Daily Average May
0.1in
Wettest Day 5 May, 2026
0.8in
Wet Days May
3/9 (33%)

Climate (2010–Present)

Southern Illinois Airport (0 miles)

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Annual Average 2021–2025
35.3in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 4 September, 2021
3in

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