Showers and thunderstorms are becoming widespread across Northwest Texas, Big Country, western North Texas, and south into the Concho Valley. These storms will organize into one or more clusters that move east across Texas tonight and into Sunday morning. These storms will be loud, with frequent lightning, gusty winds, some hail, and very heavy rainfall. That means those of you from southern Oklahoma down to San Antonio and Houston should see storms by sunrise Sunday.

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Some storms may be capable of producing localized damaging wind gusts, hail up to the size of ping-pong balls, and perhaps a spin-up tornado. Heavy rainfall will cause localized flash flooding. More intense thunderstorms with large hail are possible after sunrise Sunday in the Edwards Plateau and South-Central Texas. Individual storms ahead of the squall line may move north/northeast. The line itself will move east, and eventually east/southeast. It’s going to be a loud night.