Great Falls Rainfall Forecast

Today 29 Mar
10%
Mon 30 Mar
35%
Tue 31 Mar
10%
Wed 1 Apr
5%
Thu 2 Apr
55%
Fri 3 Apr
50%
Sat 4 Apr
25%

Great Falls Rainfall Statistics

March Rainfall

Great Falls, Great Falls International Airport (3.7 miles)

Total Rainfall 2026
2in
Daily Average 2026
0.02in
Wettest Day 13 March, 2026
0.4in
Wet Days 2026
18/88 (20%)
Total Rainfall February
0.4in
Daily Average February
0.02in
Wettest Day 9 February, 2026
0.2in
Wet Days February
3/31 (10%)
Total Rainfall March
1.4in
Daily Average March
0.1in
Wettest Day 13 March, 2026
0.4in
Wet Days March
10/29 (34%)

Climate (2010–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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Annual Average 2021–2025
13.9in
Monthly Average 2021–2026
1.2in
Daily Average 2021–2026
0.04in
Wettest Day 2 June, 2023
1.4in

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