BOISE, Idaho (AP) — Meteorologists say a powerful solar flare that struck the Earth arrived too soon before dark to make the Northern Lights visible in the Northern Rockies. The National Weather Service says Friday's flare struck around 6 p.m. Mountain Time. The Idaho Statesman reports the resulting aurora borealis was about 6 hours too early to be visible in this region. Low-latitude  were visible in the night sky in places farther east, including Maine.