NWS Forecast Office Tulsa, OK

A low pressure system lifting into the Plains over the weekend will increase thunderstorm chances across eastern OK and northwest AR. A slight chance of severe weather develop Sunday as the low pressure system moves over the region. Details will continue to be updated through the week.

Rain chances over mainly eastern Oklahoma Sat expand over eastern Oklahoma and northwest Arkansas Sunday. A marginal risk of excessive rainfall that could lead to localized flood potential exists for parts of eastern Oklahoma Sat and over most of eastern Oklahoma and northwest Arkansas Sun.

A second area of low pressure is forecast to move into the region Monday and Tuesday. Both instability and ample amounts of moisture from the weekend look to remain over the region into next week. A slight chance of severe weather exists across eastern Oklahoma and northwest Arkansas each day. Details will continue to be updated through the several days.

Dry and mild weather through Thursday. Unsettled weather returns Friday into early next week.