Canyon Ferry Lake Rainfall Forecast

Today 28 Mar
No Rain
Sun 29 Mar
5%
Mon 30 Mar
55%
Tue 31 Mar
15%
Wed 1 Apr
20%
Thu 2 Apr
65%
Fri 3 Apr
40%

Canyon Ferry Lake Rainfall Statistics

March Rainfall

Helena Regional Airport (25.5 miles)

Total Rainfall 2026
2in
Daily Average 2026
0.02in
Wettest Day 9 February, 2026
0.6in
Wet Days 2026
16/87 (18%)
Total Rainfall February
0.9in
Daily Average February
0.03in
Wettest Day 9 February, 2026
0.6in
Wet Days February
6/28 (21%)
Total Rainfall March
1.1in
Daily Average March
0.04in
Wettest Day 14 March, 2026
0.4in
Wet Days March
7/28 (25%)

Climate (2010–Present)

Helena Regional Airport (25.5 miles)

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Annual Average 2021–2025
11.3in
Monthly Average 2021–2026
0.9in
Daily Average 2021–2026
0.03in
Wettest Day 22 September, 2023
1.3in

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