A record-breaking heat wave is spreading from the Southwest into the Plains, Midwest, and Southeast.

Temperatures will run 25–35 degrees above normal, with highs in the 90s across the central and southern Plains into the Mid-Mississippi Valley. Peak heat is expected today through Thursday, with slightly cooler conditions by Friday, though the Southeast may still see near 90°.

A strong cold front will move across the country from tonight through Friday, bringing relief from north to south. Behind it, much colder air will settle in, with below-average temperatures expected across much of the central and eastern U.S. by Friday into Saturday.

Additional Impacts:

WYOMING

A High Wind Warning has been issued for the Arlington/Elk Mountain area along I-80 through 3PM today. Occasional gusts exceeding 60 mph will be possible.

Stay alert to changing conditions and plan accordingly.