Aurora in Cheyenne on December 17, 2025

December 17, 2025

Cheyenne change region

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Probability of aurora in Cheyenne

Probability of aurora as of end of day, December 17, 2025, Cheyenne time

0 % Cheyenne

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of December 17, 2025, Cheyenne time

Aurora over North America

Changes in the auroral oval on December 17, 2025 in United States from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Aurora in the northern hemisphere

Changes in the auroral oval on December 17, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Probability of aurora in cities of United States

Estimated probabilities of aurora observations at zenith for cities in United States as of end of day December 17, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

5 % Bismarck

0 % Olympia

2 % Helena

2 % Saint Paul

42 % Fairbanks

16 % Anchorage

22 % Juneau

8 % Hooper Bay

18 % Nome

30 % Kotzebue

41 % Utqiagvik

8 % Bethel

21 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from December 16 to 17, 2025 in the northern hemisphere, Cheyenne time

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