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A dazzling display in the nighttime sky might be seen much farther south than usual, including parts of Iowa, Oregon and Pennsylvania, by Tuesday, forecasters said.

By Nazaneen Ghaffar

Nazaneen Ghaffar is a reporter on The Times’s weather team.

The northern lights could make an appearance starting Monday, as a powerful solar storm surges toward Earth, potentially producing a dazzling display across the northern tier of the United States and the Midwest into Tuesday.