Alaska lightning map
Thunderstorms are rare in Alaska, mostly confined to the interior on warm summer afternoons when daytime heating builds over the terrain.
Cities in Alaska
Track lightning anywhere in Alaska.
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Frequently asked
How many thunderstorm days does Alaska get?
Alaska averages about 5 thunderstorm days a year, versus a US average near 25. Activity peaks June–August.
When is thunderstorm season in Alaska?
Lightning is most frequent June–August in Alaska.