Tunnel Reservoir Rainfall Forecast

Today 5 May
10%
Wed 6 May
No Rain
Thu 7 May
No Rain
Fri 8 May
No Rain
Sat 9 May
No Rain
Sun 10 May
No Rain
Mon 11 May
No Rain

Tunnel Reservoir Rainfall Statistics

May Rainfall

Mount Shasta (31.1 miles)

Total Rainfall 2026
11.5in
Daily Average 2026
0.1in
Wettest Day 3 January, 2026
1.8in
Wet Days 2026
31/125 (25%)
Total Rainfall April
2.2in
Daily Average April
0.1in
Wettest Day 11 April, 2026
1.3in
Wet Days April
6/30 (20%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 6 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Mount Shasta (31.1 miles)

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Annual Average 2021–2025
38in
Monthly Average 2021–2026
3.1in
Daily Average 2021–2026
0.1in
Wettest Day 20 November, 2024
6.6in

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