Probability of aurora in Cheyenne
Probability of aurora in Cheyenne
Probability of aurora as of end of day, October 31, 2026, Cheyenne time
0 %
Cheyenne
Aurora intensity index
Auroral intensity index (3.2) as of the end of October 31, 2026, Cheyenne time
Aurora over North America
Changes in the auroral oval on October 31, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on October 31, 2026 in the northern hemisphere, Coordinated Universal Time (UTC)
Probability of aurora in cities of United States
Estimated probabilities for cities in United States as of end of day October 31, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
1 %
Madison
5 %
Bismarck
1 %
Olympia
2 %
Helena
2 %
Saint Paul
27 %
Fairbanks
10 %
Anchorage
14 %
Juneau
5 %
Hooper Bay
12 %
Nome
20 %
Kotzebue
29 %
Utqiagvik
5 %
Bethel
13 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from October 30 to 31, 2026, Cheyenne time. Maximum — 9.5/10