0in

Rain Today

Rain Last Hour
0in

Recorded at Southern Illinois Airport Updated 25 mins ago (17.6 miles away)

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Real-Time Extremes

Hottest 93.1 °F
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Coldest -0.5 °F
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Windiest 53mph
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Wettest (Last Hour) 2in
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Most Humid 100%
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Least Humid 22%
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Highest Pressure 1032.2 hPa
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Lowest Pressure 993.9 hPa
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Grand Tower Rainfall Forecast

Today 11 Apr
25%
Sun 12 Apr
10%
Mon 13 Apr
40%
Tue 14 Apr
5%
Wed 15 Apr
30%
Thu 16 Apr
55%
Fri 17 Apr
30%

Grand Tower Rainfall Statistics

April Rainfall

Southern Illinois Airport (17.4 miles)

Total Rainfall 2026
6.8in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days 2026
18/101 (18%)
Total Rainfall March
4.5in
Daily Average March
0.1in
Wettest Day 5 March, 2026
1.1in
Wet Days March
9/31 (29%)
Total Rainfall April
1.1in
Daily Average April
0.1in
Wettest Day 4 April, 2026
0.9in
Wet Days April
2/11 (18%)

Climate (2010–Present)

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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