Flat Mountain Arm Rainfall Forecast

Today 22 Oct
No Rain
Thu 23 Oct
No Rain
Fri 24 Oct
No Rain
Sat 25 Oct
20%
Sun 26 Oct
75%
Mon 27 Oct
70%
Tue 28 Oct
45%

Flat Mountain Arm Rainfall Statistics

October Rainfall

Yellowstone Lake (11.2 miles)

Total Rainfall 2025
15in
Daily Average 2025
0.1in
Wettest Day 4 October, 2025
0.8in
Wet Days 2025
93/295 (32%)
Total Rainfall September
1.2in
Daily Average September
0.04in
Wettest Day 7 September, 2025
0.8in
Wet Days September
9/30 (30%)
Total Rainfall October
2.9in
Daily Average October
0.1in
Wettest Day 4 October, 2025
0.8in
Wet Days October
10/22 (45%)

Climate (2010–Present)

Yellowstone Lake (11.2 miles)

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Annual Average 2020–2024
21.7in
Monthly Average 2020–2025
1.8in
Daily Average 2020–2025
0.1in
Wettest Day 21 September, 2023
1.2in

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