Auroras (northern lights) in Helena
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Probability of northern lights in Helena
Forecast for 2026-01-20 21:43 local time in Helena
13 %
Helena
Aurora intensity index
Auroral intensity index and theoretically possible latitude of observations for nighttime in the Western Hemisphere
Northern lights (auroras) over North America
Forecast for 2026-01-20 21:43 local time in Helena
[ Click on the image to see changes over the past 24 hours ]
| API: JSON | TXT | HTML | high resolution |
Northern lights (auroras) in the northern hemisphere
Forecast for 2026-01-20 21:43 local time in Helena
[ Click on the image to see changes over the past 24 hours ]
| API: JSON | TXT | HTML | high resolution |
Probability of northern lights (auroras) in cities of United States
Forecast for 2026-01-20 21:43 local time in Helena
1 %
Washington
2 %
New York
3 %
Chicago
1 %
Philadelphia
8 %
Seattle
3 %
Detroit
3 %
Portland
3 %
Boston
5 %
Madison
23 %
Bismarck
5 %
Olympia
13 %
Helena
12 %
Saint Paul
94 %
Fairbanks
52 %
Anchorage
62 %
Juneau
24 %
Hooper Bay
46 %
Nome
62 %
Kotzebue
67 %
Utqiagvik
27 %
Bethel
63 %
Cordova
Polar auroras over the past 2 days
Changes and hourly forecast of the auroral intensity index from 2026-01-19 to 2026-01-20
