0 in

Rain Today

Rain Last Hour
0 in

Recorded at Lone Rock Tri-County Regional Airport Updated 9 mins ago (9.1 miles away)

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Real-Time Extremes

Hottest 84.1 °F
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Coldest 15.7 °F
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Windiest 33.3 mph
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Wettest (Last Hour) 0.4 in
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Most Humid 100%
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Least Humid 29%
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Highest Pressure 1026.1 hPa
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Lowest Pressure 980 hPa
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Helena Rainfall Forecast

Today 13 Oct
5%
Wed 14 Oct
20%
Thu 15 Oct
75%
Fri 16 Oct
40%
Sat 17 Oct
No Rain
Sun 18 Oct
No Rain
Mon 19 Oct
15%

Helena Rainfall Statistics

October Rainfall

Lone Rock Tri-County Regional Airport (8.7 miles)

Total Rainfall 2026
33.2 in
Daily Average 2026
0.1 in
Wettest Day 2 July, 2026
2.9 in
Wet Days 2026
97/286 (34%)
Total Rainfall September
4.6 in
Daily Average September
0.2 in
Wettest Day 18 September, 2026
1.6 in
Wet Days September
13/30 (43%)
Total Rainfall October
1.4 in
Daily Average October
0.1 in
Wettest Day 1 October, 2026
1.3 in
Wet Days October
2/13 (15%)

Climate (2021–2025)

Lone Rock Tri-County Regional Airport (8.7 miles)

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Annual Average 2021–2025
29.2 in
Monthly Average 2021–2026
2.6 in
Daily Average 2021–2026
0.1 in
Wettest Day 10 August, 2025
2.9 in

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