Waterloo Lake Rainfall Forecast

Today 17 Jun
No Rain
Thu 18 Jun
5%
Fri 19 Jun
65%
Sat 20 Jun
40%
Sun 21 Jun
15%
Mon 22 Jun
35%
Tue 23 Jun
45%

Waterloo Lake Rainfall Statistics

June Rainfall

Sherman/Denison, Grayson County Airport (5.6 miles)

Total Rainfall 2026
20.4in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
2.3in
Wet Days 2026
29/168 (17%)
Total Rainfall May
2.6in
Daily Average May
0.1in
Wettest Day 10 May, 2026
2.3in
Wet Days May
5/31 (16%)
Total Rainfall June
4.5in
Daily Average June
0.3in
Wettest Day 14 June, 2026
1.8in
Wet Days June
4/17 (24%)

Climate (2021–2025)

Sherman/Denison, Grayson County Airport (5.6 miles)

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Annual Average 2021–2025
22.8in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2025
4in

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