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A geomagnetic storm unleashed by the sun on Sunday could create colorful auroral displays over parts of the United States Wednesday and Thursday night.

Solar storms pose a significant threat to power grids and nuclear facilities, with increasing risks due to the Sun's peak activity and our reliance on technology.

NOAA’s Space Weather Prediction Center issued a Geomagnetic Storm Warning for a “strong” G3 level event on the geomagnetic storm scale for early Wednesday morning. The scale goes up to G5.

NOAA says the best time to prepare for oncoming storms is now – well before the official start of Hurricane season.

Colorful auroras could be visible in areas of the United States on Wednesday evening due to a solar storm, according to the National Weather Service’s Space Weather Prediction Center.