McKay Reservoir Rainfall Forecast

Today 27 May
10%
Thu 28 May
55%
Fri 29 May
10%
Sat 30 May
5%
Sun 31 May
5%
Mon 1 Jun
5%
Tue 2 Jun
No Rain

McKay Reservoir Rainfall Statistics

May Rainfall

Eastern Oregon Regional Airport at Pendleton (8.1 miles)

Total Rainfall 2026
4.8in
Daily Average 2026
0.03in
Wettest Day 22 April, 2026
0.6in
Wet Days 2026
30/147 (20%)
Total Rainfall April
1.4in
Daily Average April
0.05in
Wettest Day 22 April, 2026
0.6in
Wet Days April
4/30 (13%)
Total Rainfall May
0.1in
Daily Average May
0in
Wettest Day 15 May, 2026
0.04in
Wet Days May
4/27 (15%)

Climate (2010–Present)

Eastern Oregon Regional Airport at Pendleton (8.1 miles)

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Annual Average 2021–2025
12in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 5 May, 2024
1.5in

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