Northern lights likely to be obscured by wildfire smoke in western Washington

The northern lights may spread into Washington – but an obstacle could make it difficult to see them.

SEATTLE — The Northern Lights may spread into western Washington on Friday and Saturday nights – but it will be a challenge to see them. 

The geomagnetic storm that will produce the aurora borealis is registering as a G1-G2 on the scale used to measure intensity. A G1 is the lowest level on the scale, while a G5 is the most powerful. The higher a storm is on the scale the better chance people have of seeing the northern lights – and it also means there’s a higher probability

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