• PHOTOS: What are Noctilucent Clouds?

    July 6, 2015; 12:47 PM ET

    Noctilucent clouds fascinate cloud watchers and scientists as they shine over northern latitudes very high above the Earth, at the edge of space.

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WeatherWhys®

This Day In Weather History

Saylersville, KY (1981)
Over 5 inches of rain in 36 hours; 9 feet of water in parts of the town; people evacuated.

Salt Lake City, UT (1985)
A lightning strike at a generating station resulted in a nearly statewide blackout.

Flint, MI (1988)
101 degrees -- tied for all-time record high.