Lake Mattoon Rainfall Forecast

Today 15 Aug
5%
Sat 16 Aug
10%
Sun 17 Aug
5%
Mon 18 Aug
5%
Tue 19 Aug
20%
Wed 20 Aug
30%
Thu 21 Aug
15%

Lake Mattoon Rainfall Statistics

August Rainfall

Mattoon / Charleston, Coles County Memorial Airport (13 miles)

Total Rainfall 2025
24.6in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.9in
Wet Days 2025
75/227 (33%)
Total Rainfall July
4.7in
Daily Average July
0.2in
Wettest Day 19 July, 2025
1in
Wet Days July
12/31 (39%)
Total Rainfall August
0.3in
Daily Average August
0.02in
Wettest Day 4 August, 2025
0.3in
Wet Days August
2/15 (13%)

Climate (2010–Present)

Mattoon / Charleston, Coles County Memorial Airport (13 miles)

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Annual Average 2020–2024
36.6in
Monthly Average 2020–2025
3.1in
Daily Average 2020–2025
0.1in
Wettest Day 9 July, 2024
3.6in

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