Williams Coulee Reservoir Rainfall Forecast

Today 24 May
5%
Mon 25 May
No Rain
Tue 26 May
No Rain
Wed 27 May
30%
Thu 28 May
45%
Fri 29 May
25%
Sat 30 May
65%

Williams Coulee Reservoir Rainfall Statistics

May Rainfall

Glasgow, Glasgow International Airport (64 miles)

Total Rainfall 2026
3.8in
Daily Average 2026
0.03in
Wettest Day 23 April, 2026
1.4in
Wet Days 2026
36/144 (25%)
Total Rainfall April
2in
Daily Average April
0.1in
Wettest Day 23 April, 2026
1.4in
Wet Days April
11/30 (37%)
Total Rainfall May
0.5in
Daily Average May
0.02in
Wettest Day 16 May, 2026
0.2in
Wet Days May
8/24 (33%)

Climate (2010–Present)

Glasgow, Glasgow International Airport (64 miles)

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Annual Average 2021–2025
11.3in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 17 January, 2023
1.4in

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