Twentymile Lake Rainfall Forecast

Today 28 Jun
5%
Sun 29 Jun
No Rain
Mon 30 Jun
No Rain
Tue 1 Jul
15%
Wed 2 Jul
25%
Thu 3 Jul
25%
Fri 4 Jul
15%

Twentymile Lake Rainfall Statistics

June Rainfall

Grangeville - Idaho County Airport (24.9 miles)

Total Rainfall 2025
7.8in
Daily Average 2025
0.05in
Wettest Day 4 February, 2025
0.7in
Wet Days 2025
49/179 (27%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 11 May, 2025
0.5in
Wet Days May
9/31 (29%)
Total Rainfall June
0.7in
Daily Average June
0.03in
Wettest Day 22 June, 2025
0.3in
Wet Days June
6/28 (21%)

Climate (2011–Present)

Grangeville - Idaho County Airport (24.9 miles)

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Annual Average 2020–2024
17.2in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 5 May, 2023
3.2in

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