Showers and isolated thunderstorms are expected tonight through the morning hours tomorrow. There will be a good chance for rainfall tonight with most locations reaching 80 percent. As a cold front pushes through the region Tuesday, expect showers and thunderstorms along and near the front. The best chance for showers and thunderstorms will be south and east of the Tri-Cities. Severe weather will be best generally along and east of highway 281 tomorrow afternoon. Thunderstorms will continue into Wednesday as well, with the best chance south and east of the Tri-Cities. The entire outlook area can expect showers and isolated thunderstorms Wednesday afternoon, where chances for precipitation will be 30 to 50 percent. There will also be a chance for severe weather Wednesday, with the best chance south and east of the Tri-Cities. Highs over the next couple of days will range from the mid 70s to lower 80s, and lows will range from about the lower 50s to lower 60s.