Arrastra Mountain Rainfall Forecast

Today 19 Jun
25%
Fri 20 Jun
95%
Sat 21 Jun
95%
Sun 22 Jun
85%
Mon 23 Jun
30%
Tue 24 Jun
20%
Wed 25 Jun
25%

Arrastra Mountain Rainfall Statistics

June Rainfall

Helena Regional Airport (51 miles)

Total Rainfall 2025
6.7in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
51/170 (30%)
Total Rainfall May
3.6in
Daily Average May
0.1in
Wettest Day 14 May, 2025
1in
Wet Days May
11/31 (35%)
Total Rainfall June
0.1in
Daily Average June
0.01in
Wettest Day 12 June, 2025
0.1in
Wet Days June
3/19 (16%)

Climate (2010–Present)

Helena Regional Airport (51 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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