Helena West Side Rainfall Forecast

Today 13 May
80%
Thu 14 May
55%
Fri 15 May
No Rain
Sat 16 May
30%
Sun 17 May
60%
Mon 18 May
50%
Tue 19 May
10%

Helena West Side Rainfall Statistics

May Rainfall

Helena Regional Airport (5.6 miles)

Total Rainfall 2026
3.5in
Daily Average 2026
0.03in
Wettest Day 9 February, 2026
0.6in
Wet Days 2026
25/133 (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
0.1in
Daily Average May
0in
Wettest Day 7 May, 2026
0.1in
Wet Days May
1/13 (8%)

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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