Severe thunderstorms are possible later today throughout much of south central Iowa. Both Marion and Warren Counties are in a slight to enhanced risk for severe weather later today, primarily in the evening hours, according to the National Weather Service, with the greatest potential along and north of Highway 92. Damaging winds will be the top threat, with large hail and brief downpours also possible. Stay tuned to KNIA/KRLS for live coverage of any severe thunderstorm or tornado warning for any portion of Marion and Warren Counties.