Grand Tower Rainfall Forecast

Today 23 Jun
No Rain
Wed 24 Jun
15%
Thu 25 Jun
60%
Fri 26 Jun
80%
Sat 27 Jun
65%
Sun 28 Jun
15%
Mon 29 Jun
No Rain

Grand Tower Rainfall Statistics

June Rainfall

Southern Illinois Airport (17.4 miles)

Total Rainfall 2026
12.5in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days 2026
45/174 (26%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 5 May, 2026
0.8in
Wet Days May
14/31 (45%)
Total Rainfall June
1.2in
Daily Average June
0.1in
Wettest Day 12 June, 2026
0.6in
Wet Days June
6/23 (26%)

Climate (2021–2025)

Southern Illinois Airport (17.4 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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