Arrastra Mountain Rainfall Forecast

Today 6 Mar
25%
Sat 7 Mar
70%
Sun 8 Mar
55%
Mon 9 Mar
70%
Tue 10 Mar
80%
Wed 11 Mar
65%
Thu 12 Mar
75%

Arrastra Mountain Rainfall Statistics

March Rainfall

Helena Regional Airport (51 miles)

Total Rainfall 2026
1in
Daily Average 2026
0.02in
Wettest Day 9 February, 2026
0.6in
Wet Days 2026
9/65 (14%)
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
0in
Daily Average March
0in
Wettest Day 1 March, 2026
0in
Wet Days March
–

Climate (2010–Present)

Helena Regional Airport (51 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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