UPDATE (3:14 p.m.) — A severe thunderstorm warning has been issued for the Miami Valley. The warning will be in effect until 9 p.m.

(2:41 p.m.) — The National Weather Service has issued a tornado watch for Butler, Champaign, Clark, Clinton, Greene, Miami, Montgomery, Preble, and Warren counties. The level has been described as EXTREME.

(5:38 a.m.) — A storm system will track across the region, bringing the return of showers and thunderstorms today. As instability increases and a cold front approaches this afternoon, thunderstorms that fire up could produce damaging wind, hail or isolated tornadoes.

Scattered showers and thunderstorms will be around through the evening, before ending overnight. Wednesday looks dry but mostly cloudy and a good deal cooler.

TODAY: Mostly cloudy, windy and warm with scattered showers and thunderstorms. High 74

TONIGHT: Evening thunderstorms, then mostly cloudy. Low 53

WEDNESDAY: Mostly cloudy and cooler. High 65

THURSDAY: Partly sunny with a few showers by late afternoon/evening. High 70

Thursday will start dry, but a few spotty showers will arrive by late day. Showers and the chance of thunder will stick around for Friday.