Canyon Ferry Lake Rainfall Forecast

Today 2 Aug
50%
Sun 3 Aug
20%
Mon 4 Aug
30%
Tue 5 Aug
50%
Wed 6 Aug
5%
Thu 7 Aug
10%
Fri 8 Aug
25%

Canyon Ferry Lake Rainfall Statistics

August Rainfall

Helena Regional Airport (25.5 miles)

Total Rainfall 2025
8.6in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
67/214 (31%)
Total Rainfall July
1.1in
Daily Average July
0.04in
Wettest Day 31 July, 2025
0.5in
Wet Days July
9/31 (29%)
Total Rainfall August
–
Daily Average August
–
Wettest Day 2 August, 2025
–
Wet Days August
–

Climate (2010–Present)

Helena Regional Airport (25.5 miles)

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Annual Average 2020–2024
10.5in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 22 September, 2023
1.3in

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