Pierce Rainfall Forecast

Today 6 Sep
85%
Mon 7 Sep
100%
Tue 8 Sep
10%
Wed 9 Sep
No Rain
Thu 10 Sep
5%
Fri 11 Sep
25%
Sat 12 Sep
30%

Pierce Rainfall Statistics

September Rainfall

Grangeville - Idaho County Airport (41 miles)

Total Rainfall 2026
12.7in
Daily Average 2026
0.1in
Wettest Day 3 September, 2026
1.9in
Wet Days 2026
52/249 (21%)
Total Rainfall August
0.02in
Daily Average August
0in
Wettest Day 22 August, 2026
0.02in
Wet Days August
1/31 (3%)
Total Rainfall September
2.2in
Daily Average September
0.7in
Wettest Day 3 September, 2026
1.9in
Wet Days September
2/6 (33%)

Climate (2021–2025)

Grangeville - Idaho County Airport (41 miles)

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Annual Average 2021–2025
17.4in
Monthly Average 2021–2026
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 5 May, 2023
3.2in

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