Grand Tower Rainfall Forecast

Today 7 Jul
55%
Wed 8 Jul
40%
Thu 9 Jul
15%
Fri 10 Jul
65%
Sat 11 Jul
75%
Sun 12 Jul
50%
Mon 13 Jul
15%

Grand Tower Rainfall Statistics

July Rainfall

Southern Illinois Airport (17.4 miles)

Total Rainfall 2026
13.9in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days 2026
50/188 (27%)
Total Rainfall June
2in
Daily Average June
0.1in
Wettest Day 12 June, 2026
0.6in
Wet Days June
9/30 (30%)
Total Rainfall July
0.6in
Daily Average July
0.1in
Wettest Day 4 July, 2026
0.6in
Wet Days July
2/7 (29%)

Climate (2021–2025)

Southern Illinois Airport (17.4 miles)

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Annual Average 2021–2025
35.3in
Monthly Average 2021–2026
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 4 September, 2021
3in

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