Auroras (northern lights) in Helena — Mar 11, 2025
Probability of northern lights in Helena
Information as of 2025-03-11 23:48 (end of day) local time in Helena
5 %
Helena
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-03-11 23:48 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-03-11 to 2025-03-12 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-03-11 to 2025-03-12 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-03-11 23:48 (end of day) local time in Helena
0 %
Washington
0 %
New York
1 %
Chicago
0 %
Philadelphia
4 %
Seattle
0 %
Detroit
2 %
Portland
0 %
Boston
2 %
Madison
9 %
Bismarck
3 %
Olympia
5 %
Helena
5 %
Saint Paul
46 %
Fairbanks
20 %
Anchorage
24 %
Juneau
9 %
Hooper Bay
20 %
Nome
33 %
Kotzebue
43 %
Utqiagvik
10 %
Bethel
25 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-03-10 to 2025-03-11 local time