Helena Rainfall Forecast

Today 24 May
75%
Mon 25 May
20%
Tue 26 May
10%
Wed 27 May
45%
Thu 28 May
20%
Fri 29 May
5%
Sat 30 May
5%

Helena Rainfall Statistics

May Rainfall

Toledo - Toledo Executive Airport (18 miles)

Total Rainfall 2026
6.9in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.3in
Wet Days 2026
33/144 (23%)
Total Rainfall April
3.5in
Daily Average April
0.1in
Wettest Day 15 April, 2026
1in
Wet Days April
14/30 (47%)
Total Rainfall May
0.7in
Daily Average May
0.03in
Wettest Day 18 May, 2026
0.3in
Wet Days May
7/24 (29%)

Climate (2010–Present)

Toledo - Toledo Executive Airport (18 miles)

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Annual Average 2021–2025
22.7in
Monthly Average 2021–2026
1.9in
Daily Average 2021–2026
0.1in
Wettest Day 22 September, 2021
2.8in

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