Grant Lake Rainfall Forecast

Today 20 Sep
No Rain
Mon 21 Sep
No Rain
Tue 22 Sep
No Rain
Wed 23 Sep
No Rain
Thu 24 Sep
50%
Fri 25 Sep
50%
Sat 26 Sep
5%

Grant Lake Rainfall Statistics

September Rainfall

Omak Airport (25.5 miles)

Total Rainfall 2026
3.9in
Daily Average 2026
0.01in
Wettest Day 1 April, 2026
0.4in
Wet Days 2026
38/263 (14%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 12 August, 2026
0.1in
Wet Days August
3/31 (10%)
Total Rainfall September
0.5in
Daily Average September
0.03in
Wettest Day 13 September, 2026
0.4in
Wet Days September
4/20 (20%)

Climate (2021–2025)

Omak Airport (25.5 miles)

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Annual Average 2021–2025
11.2in
Monthly Average 2021–2026
0.9in
Daily Average 2021–2026
0.03in
Wettest Day 10 December, 2022
0.9in

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