0in

Rain Today

Rain Last Hour
0in

Recorded at Helena Regional Airport Updated 11 mins ago (1.9 miles away)

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Real-Time Extremes

Hottest 91.3 °F
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Coldest 22.9 °F
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Windiest 40.3mph
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Wettest (Last Hour) 0.3in
Portage, Portage Glacier, AK
Most Humid 100%
Tracy Municipal Airport, CA
Least Humid 5%
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Highest Pressure 1030 hPa
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Lowest Pressure 994.2 hPa
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Helena Rainfall Forecast

Today 4 May
25%
Tue 5 May
30%
Wed 6 May
No Rain
Thu 7 May
55%
Fri 8 May
15%
Sat 9 May
40%
Sun 10 May
20%

Helena Rainfall Statistics

May Rainfall

Helena Regional Airport (1.9 miles)

Total Rainfall 2026
2.9in
Daily Average 2026
0.03in
Wettest Day 9 February, 2026
0.6in
Wet Days 2026
20/124 (16%)
Total Rainfall April
0.9in
Daily Average April
0.04in
Wettest Day 11 April, 2026
0.5in
Wet Days April
4/30 (13%)
Total Rainfall May
–
Daily Average May
–
Wettest Day 5 May, 2026
–
Wet Days May
–

Climate (2010–Present)

Helena Regional Airport (1.9 miles)

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Annual Average 2021–2025
11.3in
Monthly Average 2021–2026
0.9in
Daily Average 2021–2026
0.03in
Wettest Day 22 September, 2023
1.3in

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