Grouse Flat State Wildlife Recreation Area Rainfall Forecast

Today 12 Aug
5%
Thu 13 Aug
10%
Fri 14 Aug
30%
Sat 15 Aug
55%
Sun 16 Aug
30%
Mon 17 Aug
25%
Tue 18 Aug
25%

Grouse Flat State Wildlife Recreation Area Rainfall Statistics

August Rainfall

Lewiston, Lewiston-Nez Perce County Airport (33.6 miles)

Total Rainfall 2026
9in
Daily Average 2026
0.04in
Wettest Day 4 March, 2026
0.9in
Wet Days 2026
47/224 (21%)
Total Rainfall July
0.01in
Daily Average July
0in
Wettest Day 17 July, 2026
0.01in
Wet Days July
1/31 (3%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–

Climate (2021–2025)

Lewiston, Lewiston-Nez Perce County Airport (33.6 miles)

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Annual Average 2021–2025
11.2in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 4 March, 2026
0.9in

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