Grand Tower Rainfall Forecast

Today 26 May
75%
Wed 27 May
55%
Thu 28 May
10%
Fri 29 May
30%
Sat 30 May
20%
Sun 31 May
10%
Mon 1 Jun
10%

Grand Tower Rainfall Statistics

May Rainfall

Southern Illinois Airport (17.4 miles)

Total Rainfall 2026
10.5in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days 2026
33/146 (23%)
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
1.6in
Daily Average May
0.1in
Wettest Day 5 May, 2026
0.8in
Wet Days May
8/26 (31%)

Climate (2010–Present)

Southern Illinois Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

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

Get WillyWeather+ to remove ads