Upper Sioux Agency State Park Rainfall Forecast

Today 29 May
10%
Sat 30 May
30%
Sun 31 May
35%
Mon 1 Jun
50%
Tue 2 Jun
35%
Wed 3 Jun
25%
Thu 4 Jun
35%

Upper Sioux Agency State Park Rainfall Statistics

May Rainfall

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (5.6 miles)

Total Rainfall 2026
5in
Daily Average 2026
0.03in
Wettest Day 27 April, 2026
1.4in
Wet Days 2026
20/149 (13%)
Total Rainfall April
3.7in
Daily Average April
0.1in
Wettest Day 27 April, 2026
1.4in
Wet Days April
9/30 (30%)
Total Rainfall May
0.8in
Daily Average May
0.03in
Wettest Day 22 May, 2026
0.5in
Wet Days May
6/29 (21%)

Climate (2010–Present)

Granite Falls, Granite Falls Municipal Airport/Lenzen-Roe Memorial Field (5.6 miles)

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Annual Average 2021–2025
35.1in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 25 June, 2025
6.4in

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