Saint Marys Lake Rainfall Forecast

Today 21 May
90%
Fri 22 May
5%
Sat 23 May
10%
Sun 24 May
No Rain
Mon 25 May
20%
Tue 26 May
50%
Wed 27 May
45%

Saint Marys Lake Rainfall Statistics

May Rainfall

Missoula, Missoula International Airport (24.9 miles)

Total Rainfall 2026
5.3in
Daily Average 2026
0.04in
Wettest Day 22 April, 2026
0.9in
Wet Days 2026
42/141 (30%)
Total Rainfall April
1.4in
Daily Average April
0.05in
Wettest Day 22 April, 2026
0.9in
Wet Days April
10/30 (33%)
Total Rainfall May
0.2in
Daily Average May
0.01in
Wettest Day 19 May, 2026
0.1in
Wet Days May
3/21 (14%)

Climate (2010–Present)

Missoula, Missoula International Airport (24.9 miles)

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Annual Average 2021–2025
12.2in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.03in
Wettest Day 22 September, 2022
1.1in

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