Bismarck Rainfall Forecast

Today 21 May
100%
Thu 22 May
85%
Fri 23 May
55%
Sat 24 May
5%
Sun 25 May
30%
Mon 26 May
45%
Tue 27 May
65%

Bismarck Rainfall Statistics

May Rainfall

Garrett County Airport (25.5 miles)

Total Rainfall 2025
5.1in
Daily Average 2025
0.04in
Wettest Day 13 May, 2025
1.8in
Wet Days 2025
19/141 (13%)
Total Rainfall April
0.4in
Daily Average April
0.01in
Wettest Day 19 April, 2025
0.1in
Wet Days April
4/30 (13%)
Total Rainfall May
4.7in
Daily Average May
0.2in
Wettest Day 13 May, 2025
1.8in
Wet Days May
15/21 (71%)

Climate (2010–Present)

Garrett County Airport (25.5 miles)

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Annual Average 2020–2024
4in
Monthly Average 2020–2025
0.3in
Daily Average 2020–2025
0.01in
Wettest Day 13 May, 2025
1.8in

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