Some of the storms could produce heavy rain.
The good news is the weather will be turning nicer for the weeked and the National Weather Service says skies will be clear Monday for the solar eclipse.
Northwestern Oklahoma may have trouble seeing the eclipse with more cloud cover and isolated showers and thunderstorms. Again, heavy rain will bepossible but this time could also have gusty winds.
The heat index will climb above 100 in Beaufort County Sunday, but throughout most of the coming week things shouldn't be almost so blistering, the National Weather Service reports.
Over the weekend, we will continue to see partly to mostly cloudy skies with afternoon thunderstorms.
Tuesday: A 50 percent chance of showers and thunderstorms mainly after 1 p.m.
The greatest threat is Tuesday, when there is an 80-percent chance. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Cooler air will move in Thursday and Friday, bringing sun and dry conditions, and highs in the upper 70s to low 80s. Some of the storms could produce heavy rainfall.
There will be patchy fog in the morning on Monday. South wind 6 to 11 miles per hour.
Tuesday Night.Partly cloudy. Showers and storms possible.
Friday Night.Partly cloudy. A chance for showers.
Tonight through Monday midday: Fair to partly cloudy and breezy with brief passing showers possible.
Highs will decrease during those three days, from 88 today to 82 on Tuesday to 75 on Wednesday.
Overnight, we will have clouds clear and will become mostly clear.
Thursday: Mostly sunny with a high near 84. Harvey has weakened and has become a tropical wave.