Helena West Side Rainfall Forecast

Today 27 May
65%
Thu 28 May
20%
Fri 29 May
25%
Sat 30 May
90%
Sun 31 May
85%
Mon 1 Jun
45%
Tue 2 Jun
30%

Helena West Side Rainfall Statistics

May Rainfall

Helena Regional Airport (5.6 miles)

Total Rainfall 2026
3.7in
Daily Average 2026
0.03in
Wettest Day 9 February, 2026
0.6in
Wet Days 2026
28/147 (19%)
Total Rainfall April
1.4in
Daily Average April
0.05in
Wettest Day 11 April, 2026
0.5in
Wet Days April
8/30 (27%)
Total Rainfall May
0.3in
Daily Average May
0.01in
Wettest Day 20 May, 2026
0.1in
Wet Days May
4/27 (15%)

Climate (2010–Present)

Helena Regional Airport (5.6 miles)

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

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