AI Summary

A brief heat advisory was issued by the National Weather Service's Grand Forks office on July 26, lasting from 8:43PM to 9:00PM CDT. The advisory has since expired, as temperatures have begun to decrease and heat index values have fallen below 100 degrees in the affected area. An Extreme Heat Warning remains in effect for parts of the Red River Valley and west central Minnesota, where heat index values are expected to remain above 100 degrees through 11 PM this evening.

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