Omaha's Weather Leader has deemed Thursday as a severe weather day with severe storm potential in the evening.The National Weather Service has issued a tornado watch that will be in effect until midnight for the following counties:Sign up for our NewslettersIn NebraskaBurtButlerCassClayColfaxCumingDodgeDouglasFillmoreGageHamiltonJeffersonJohnsonLancasterMerrickNuckollsOtoePlattePolkSalineSarpyThayerThurstonWashingtonYorkIn IowaAdamsAudubonCarrollCassCrawfordFremontHarrisonMillsMononaMontgomeryPagePottawattamieShelbyTaylorA cold front will be moving through the area during the evening and will bring the chance for strong to severe storms mainly between 5 p.

The secondary threat for severe weather comes this evening, although models are currently unsure how well atmospheric conditions will align for these storms to occur. If they are able to form, we'd be looking at isolated strong to severe storms mainly south and east of Madison with primary threats of hail and strong winds.