Cascade Rainfall Forecast

Today 18 Aug
20%
Tue 19 Aug
15%
Wed 20 Aug
15%
Thu 21 Aug
15%
Fri 22 Aug
No Rain
Sat 23 Aug
No Rain
Sun 24 Aug
No Rain

Cascade Rainfall Statistics

August Rainfall

Great Falls, Great Falls International Airport (19.9 miles)

Total Rainfall 2025
9.9in
Daily Average 2025
0.04in
Wettest Day 15 July, 2025
1.1in
Wet Days 2025
70/230 (30%)
Total Rainfall July
1.8in
Daily Average July
0.1in
Wettest Day 15 July, 2025
1.1in
Wet Days July
8/31 (26%)
Total Rainfall August
0.4in
Daily Average August
0.03in
Wettest Day 16 August, 2025
0.1in
Wet Days August
6/18 (33%)

Climate (2010–Present)

Great Falls, Great Falls International Airport (19.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
14.4in
Monthly Average 2020–2025
1.2in
Daily Average 2020–2025
0.04in
Wettest Day 2 June, 2023
1.4in

Get WillyWeather+ to remove ads