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Northern Lights Set to Dazzle U.S. States This Friday!

12/12/2025

27 5 Full Breakdown

Summary

Story summary

National Oceanic and Atmospheric Administration announced on December 12, 2025 that nearly a dozen northern U.S. states may see the northern lights on Friday night.
The forecast uses a Planetary K-index (Kp) of four, signaling brighter auroral activity in optimal locations.
After Friday, auroral activity is expected to decrease to Kp indices of just over three on Saturday and two on Sunday, with best viewing in Alaska and northern Canada.

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Story summary

National Oceanic and Atmospheric Administration announced on December 12, 2025 that nearly a dozen northern U.S. states may see the northern lights on Friday night.
The forecast uses a Planetary K-index (Kp) of four, signaling brighter auroral activity in optimal locations.
After Friday, auroral activity is expected to decrease to Kp indices of just over three on Saturday and two on Sunday, with best viewing in Alaska and northern Canada.