Helena Regional Airport Rainfall Forecast

Today 28 Oct
5%
Wed 29 Oct
5%
Thu 30 Oct
No Rain
Fri 31 Oct
No Rain
Sat 1 Nov
40%
Sun 2 Nov
25%
Mon 3 Nov
20%

Helena Regional Airport Rainfall Statistics

October Rainfall

Helena Regional Airport (0 miles)

Total Rainfall 2025
12.6in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
90/301 (30%)
Total Rainfall September
0.6in
Daily Average September
0.02in
Wettest Day 14 September, 2025
0.4in
Wet Days September
4/30 (13%)
Total Rainfall October
1.4in
Daily Average October
0.1in
Wettest Day 12 October, 2025
0.5in
Wet Days October
11/28 (39%)

Climate (2010–Present)

Helena Regional Airport (0 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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