Scattered thunderstorms are ongoing this morning and will remain possible through the day. Locally heavy rainfall has fallen early Saturday morning, and there will continue to a risk of localized higher amounts which could result in a flash flood risk. More widespread thunderstorms are likely to spread into northeast Oklahoma Saturday night, and continue eastward across the area through Sunday morning. These storms will initially pose a risk of damaging winds, however the risk of severe weather is likely to lessen as they continue eastward. The additional rainfall will also raise flooding concerns. Storms are likely to be ongoing Sunday morning, however the risk of severe weather will have lessened. The potential for locally heavy rainfall will continue and flooding concerns will be present. Additional widespread storms are expected to develop along a cold front across southern Kansas Monday afternoon. These storms will spread southeastward Monday evening and overnight. Severe weather currently appears likely as the storms spread into eastern Oklahoma. Additionally, heavy rainfall and flooding concerns will persist. Prior to the storms on Monday, temperatures will warm and dewpoints will remain very high resulting in afternoon heat index values of 105 to 110 degrees. Excessive heat advisories may be needed for Monday afternoon. Thunderstorm potential will continue Tuesday and Wednesday as the cold front slowly pushes southward, with drier weather possible by late next week.