Grand Tower Rainfall Forecast

Today 11 Jul
15%
Sat 12 Jul
50%
Sun 13 Jul
40%
Mon 14 Jul
30%
Tue 15 Jul
25%
Wed 16 Jul
35%
Thu 17 Jul
40%

Grand Tower Rainfall Statistics

July Rainfall

Southern Illinois Airport (17.4 miles)

Total Rainfall 2025
26.9in
Daily Average 2025
0.1in
Wettest Day 5 April, 2025
2.6in
Wet Days 2025
69/192 (36%)
Total Rainfall June
4.3in
Daily Average June
0.1in
Wettest Day 6 June, 2025
1.5in
Wet Days June
15/30 (50%)
Total Rainfall July
1.3in
Daily Average July
0.2in
Wettest Day 6 July, 2025
0.8in
Wet Days July
3/11 (27%)

Climate (2010–Present)

Southern Illinois Airport (17.4 miles)

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Annual Average 2020–2024
38.5in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 4 September, 2021
3in

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