0in

Rain Today

Rain Last Hour
0in

Recorded at Helena Regional Airport Updated 26 mins ago (0.3 miles away)

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Real-Time Extremes

Hottest 96.7 °F
Phoenix, Phoenix Sky Harbor International Airport, AZ
Coldest 28.3 °F
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Windiest 26.4mph
Skagway, AK
Wettest (Last Hour) 0.2in
Hutchinson, Hutchinson Municipal Airport, KS
Most Humid 100%
Sioux County Regional Airport, IA
Least Humid 9%
Mount Washington, NH
Highest Pressure 1037.3 hPa
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Lowest Pressure 989.2 hPa
Shemya, Eareckson AFB, AK

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Helena Regional Airport Rainfall Forecast

Today 17 Sep
25%
Thu 18 Sep
No Rain
Fri 19 Sep
No Rain
Sat 20 Sep
No Rain
Sun 21 Sep
10%
Mon 22 Sep
10%
Tue 23 Sep
No Rain

Helena Regional Airport Rainfall Statistics

September Rainfall

Helena Regional Airport (0 miles)

Total Rainfall 2025
11.1in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
77/260 (30%)
Total Rainfall August
2in
Daily Average August
0.1in
Wettest Day 16 August, 2025
0.9in
Wet Days August
8/31 (26%)
Total Rainfall September
0.5in
Daily Average September
0.03in
Wettest Day 14 September, 2025
0.4in
Wet Days September
2/17 (12%)

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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