National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hot and humid conditions return to the area on Saturday as heat index values from 105 to 109 degrees will be common during the afternoon across southeast Oklahoma into west central Arkansas. The advisory area could be expanded based on how morning clouds and storm chances play out across northeast Oklahoma.
Isolated to scattered thunderstorms are expected to develop by late Saturday afternoon across northern OK ahead of a front. Locally damaging downburst winds will be the main threat, though some marginally severe hail and locally heavy rainfall could also occur.
Drought conditions over the past week have worsened across all eastern Oklahoma and northwest Arkansas.
Cooler but still above normal temperatures continue on Friday. Unseasonably hot weather will return over the weekend and continue into next week with periodic low storm chances through the period.
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