Canyon Ferry Lake Rainfall Forecast

Today 4 Oct
No Rain
Mon 5 Oct
No Rain
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
No Rain
Sat 10 Oct
25%

Canyon Ferry Lake Rainfall Statistics

October Rainfall

Helena Regional Airport (25.5 miles)

Total Rainfall 2026
11.2 in
Daily Average 2026
0.04 in
Wettest Day 30 May, 2026
1 in
Wet Days 2026
68/277 (25%)
Total Rainfall September
1.4 in
Daily Average September
0.05 in
Wettest Day 19 September, 2026
0.6 in
Wet Days September
8/30 (27%)
Total Rainfall October
0 in
Daily Average October
0 in
Wettest Day 1 October, 2026
0 in
Wet Days October
–

Climate (2021–2025)

Helena Regional Airport (25.5 miles)

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Annual Average 2021–2025
11.3 in
Monthly Average 2021–2026
1 in
Daily Average 2021–2026
0.03 in
Wettest Day 22 September, 2023
1.3 in

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