Jack Mountain Rainfall Forecast

Today 28 Nov
95%
Sat 29 Nov
10%
Sun 30 Nov
5%
Mon 1 Dec
45%
Tue 2 Dec
75%
Wed 3 Dec
25%
Thu 4 Dec
35%

Jack Mountain Rainfall Statistics

November Rainfall

Helena Regional Airport (23 miles)

Total Rainfall 2025
12.9in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
95/332 (29%)
Total Rainfall October
1.4in
Daily Average October
0.05in
Wettest Day 12 October, 2025
0.5in
Wet Days October
12/31 (39%)
Total Rainfall November
0.2in
Daily Average November
0.01in
Wettest Day 14 November, 2025
0.2in
Wet Days November
4/28 (14%)

Climate (2010–Present)

Helena Regional Airport (23 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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