Oklahoma City is headed for a 103-degree Thursday, with heat index values near 107 and a Heat Advisory lasting through Friday evening.

Fog greets Milwaukee on Thursday before showers arrive and storm chances build into the weekend. A drier, more comfortable pattern is expected early next week.

Dallas faces a 102-degree Thursday under a Heat Advisory, with dangerous heat continuing into next week and little rain in sight.

Fog fades Thursday, but afternoon storms and a growing flood risk are headed for the Chicago area.

Houston faces a 96-degree Thursday with a heat index up to 106, followed by a hotter, mostly dry weekend.

Atlanta's heat is just getting started, with highs in the mid- to upper 90s through early next week. Storm chances remain limited but could bring brief downpours and gusty winds.

Pittsburgh gets a warm, mostly dry Thursday before fog, showers and thunderstorms return Friday and intensify Sunday.

Cleveland gets a mostly dry Thursday before weekend thunderstorms bring a wetter turn, with Sunday carrying the greatest storm risk.

Cincinnati gets a mostly dry Thursday afternoon before a Flood Watch sets up a heavy storm and flooding threat overnight.

A Heat Advisory covers Orlando Thursday as temperatures near 97 and afternoon storms threaten lightning, gusty winds and downpours.

Detroit gets a warm, mostly dry stretch through Saturday before showers and thunderstorms return this weekend.

Boston faces a stormy Thursday morning before sunny, cooler weather takes over for the weekend.

Miami gets a clear start before a Heat Advisory takes over the afternoon, with heat-index values reaching 105 to 110 degrees. Storm chances increase later Thursday and again Friday night into Saturday.