Auroras (northern lights) in Chicago — Aug 21, 2025
Probability of northern lights in Chicago
Information as of 2025-08-21 23:59 (end of day) local time in Chicago
0 %
Chicago
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-08-21 23:59 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-08-21 to 2025-08-22 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-08-21 to 2025-08-22 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-08-21 23:59 (end of day) local time in Chicago
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
0 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
0 %
Bismarck
0 %
Olympia
0 %
Helena
0 %
Saint Paul
4 %
Fairbanks
1 %
Anchorage
1 %
Juneau
0 %
Hooper Bay
1 %
Nome
3 %
Kotzebue
7 %
Utqiagvik
0 %
Bethel
1 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-08-20 to 2025-08-21 local time
