Flathead Lake - Wild Horse Island State Park Rainfall Forecast

Today 28 May
25%
Fri 29 May
40%
Sat 30 May
80%
Sun 31 May
85%
Mon 1 Jun
75%
Tue 2 Jun
15%
Wed 3 Jun
5%

Flathead Lake - Wild Horse Island State Park Rainfall Statistics

May Rainfall

Kalispell, Glacier Park International Airport (31.7 miles)

Total Rainfall 2026
7.1in
Daily Average 2026
0.05in
Wettest Day 17 February, 2026
0.5in
Wet Days 2026
57/148 (39%)
Total Rainfall April
2.2in
Daily Average April
0.1in
Wettest Day 22 April, 2026
0.5in
Wet Days April
10/30 (33%)
Total Rainfall May
1.6in
Daily Average May
0.1in
Wettest Day 16 May, 2026
0.4in
Wet Days May
12/28 (43%)

Climate (2010–Present)

Kalispell, Glacier Park International Airport (31.7 miles)

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Annual Average 2021–2025
15in
Monthly Average 2021–2026
1.3in
Daily Average 2021–2026
0.04in
Wettest Day 2 November, 2023
1.4in

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