Auroras (northern lights) in Bismarck — May 16, 2025
Probability of northern lights in Bismarck
Information as of 2025-05-16 23:50 (end of day) local time in Bismarck
24 %
Bismarck
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-05-16 23:50 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-05-16 to 2025-05-17 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-05-16 to 2025-05-17 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-05-16 23:50 (end of day) local time in Bismarck
1 %
Washington
2 %
New York
10 %
Chicago
2 %
Philadelphia
21 %
Seattle
7 %
Detroit
15 %
Portland
2 %
Boston
13 %
Madison
24 %
Bismarck
18 %
Olympia
24 %
Helena
19 %
Saint Paul
46 %
Fairbanks
30 %
Anchorage
34 %
Juneau
16 %
Hooper Bay
24 %
Nome
31 %
Kotzebue
41 %
Utqiagvik
19 %
Bethel
34 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-05-15 to 2025-05-16 local time
