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.

A second area of low pressure is forecast to move into the region right behind the Sunday's low pressure system. Additional thunderstorms are could develop along and ahead of a dryline out west, and move into eastern Oklahoma and northwest Arkansas Monday afternoon into Monday night with the movement of the low pressure. A slight chance of severe weather exists across eastern Oklahoma and northwest Arkansas.

Dry and mild weather early this week. Unsettled weather returns late week and through the weekend.