Horse Heaven Reservoir Rainfall Forecast

Today 2 May
75%
Sat 3 May
80%
Sun 4 May
No Rain
Mon 5 May
No Rain
Tue 6 May
No Rain
Wed 7 May
10%
Thu 8 May
10%

Horse Heaven Reservoir Rainfall Statistics

May Rainfall

Prineville Airport (23 miles)

Total Rainfall 2025
2.6in
Daily Average 2025
0.02in
Wettest Day 16 March, 2025
0.6in
Wet Days 2025
31/122 (25%)
Total Rainfall April
0.1in
Daily Average April
0in
Wettest Day 6 April, 2025
0.1in
Wet Days April
3/30 (10%)
Total Rainfall May
–
Daily Average May
–
Wettest Day
–
Wet Days May
–

Climate (2015–Present)

Prineville Airport (23 miles)

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Annual Average 2020–2024
5.6in
Monthly Average 2020–2025
0.5in
Daily Average 2020–2025
0.03in
Wettest Day 11 November, 2021
0.7in

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