Bismarck Rainfall Forecast

Today 16 May
10%
Sun 17 May
90%
Mon 18 May
50%
Tue 19 May
75%
Wed 20 May
10%
Thu 21 May
20%
Fri 22 May
10%

Bismarck Rainfall Statistics

May Rainfall

Bismarck, Bismarck Municipal Airport (1.9 miles)

Total Rainfall 2026
2.9in
Daily Average 2026
0.02in
Wettest Day 3 April, 2026
0.8in
Wet Days 2026
32/136 (24%)
Total Rainfall April
1.5in
Daily Average April
0.1in
Wettest Day 3 April, 2026
0.8in
Wet Days April
10/30 (33%)
Total Rainfall May
0.02in
Daily Average May
0in
Wettest Day 8 May, 2026
0.02in
Wet Days May
1/16 (6%)

Climate (2010–Present)

Bismarck, Bismarck Municipal Airport (1.9 miles)

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Annual Average 2021–2025
18.8in
Monthly Average 2021–2026
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 20 July, 2025
2.6in

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