Upper Harrison Lake Rainfall Forecast

Today 6 Sep
50%
Mon 7 Sep
25%
Tue 8 Sep
45%
Wed 9 Sep
5%
Thu 10 Sep
10%
Fri 11 Sep
5%
Sat 12 Sep
10%

Upper Harrison Lake Rainfall Statistics

September Rainfall

Alliance, Alliance Municipal Airport (25.5 miles)

Total Rainfall 2026
9.8in
Daily Average 2026
0.04in
Wettest Day 15 August, 2026
3in
Wet Days 2026
56/249 (22%)
Total Rainfall August
4.7in
Daily Average August
0.2in
Wettest Day 15 August, 2026
3in
Wet Days August
8/31 (26%)
Total Rainfall September
0.2in
Daily Average September
0.05in
Wettest Day 3 September, 2026
0.1in
Wet Days September
3/6 (50%)

Climate (2021–2025)

Alliance, Alliance Municipal Airport (25.5 miles)

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Annual Average 2021–2025
12.4in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.03in
Wettest Day 15 August, 2026
3in

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