Helena Rainfall Forecast

Today 18 Sep
No Rain
Fri 19 Sep
5%
Sat 20 Sep
10%
Sun 21 Sep
25%
Mon 22 Sep
55%
Tue 23 Sep
45%
Wed 24 Sep
35%

Helena Rainfall Statistics

September Rainfall

Toledo - Toledo Executive Airport (18 miles)

Total Rainfall 2025
13.1in
Daily Average 2025
0.1in
Wettest Day 2 April, 2025
1.3in
Wet Days 2025
63/261 (24%)
Total Rainfall August
0.4in
Daily Average August
0.02in
Wettest Day 23 August, 2025
0.4in
Wet Days August
1/31 (3%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 16 September, 2025
0in
Wet Days September
–

Climate (2010–Present)

Toledo - Toledo Executive Airport (18 miles)

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Annual Average 2020–2024
23.5in
Monthly Average 2020–2025
1.9in
Daily Average 2020–2025
0.1in
Wettest Day 22 September, 2021
2.8in

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