Showers & Thunderstorms Continue...

7:20 PM Update: Severe Thunderstorm Watch #646 has been issued for portions of southeast Iowa and is in effect until midnight. Thundrestorms currently over Keokuk, Jefferson & Wapello counties are severe warning and should continue to pose a threat of damaging winds and marginally large hail over the next couple of hours as the move eastward.

6:15 PM Update: Severe Thunderstorm Watch #644 was issued for portions of southern Iowa and is in effect until midnight tonight. Already thunderstorms have became severe and tornadic over south-central Iowa; Tornado warning for Mahaska county and severe thunderstorm warnings for Marion, Decatur & Wayne counties. No reports as of yet, but that'll likely change as the storms continue to move to the northeast. Expect more thunderstorms to move into the state during the nighttime hours as they move into the state from Nebraska and continue to develop due to the strong low level jet. Those in and near the watch should keep a close eye on storms as they will rapidly develop and have severe potential; those counties next in line for a possible tornadic storm will include Keokuk.

7:30 AM Update:Showers and thunderstorms continued to work across the state this morning and currently are weakening in response to morning inhibition. Central Iowa is currently experiencing the rainfall, north of highway 30 mainly showers exist while south of highway 30 isolated thunderstorms are continuing to develop. Expect the showers in the north to slowly dissipate, however thunderstorms in the southern portions of the state should continue to develop and expand as they move northeastward. The severe weather threat looks to be fairly minimal today for Iowa, although eastern Iowa is under a 'moderate' risk by the SPC. This is due to the expectations of the storms to organize into a linear line or bow echo capable of damaging winds. Reading through the SPC text it appears that the current convection is going to be responsible for the linear storm system early this afternoon and into this evening. However, it does not show signs of organization at the moment.

Expect thunderstorms to continue to fire throughout southern Iowa this morning, until upper trough that is currently over SD/NE makes its' way into the state. This feature should lead to the organization of thunderstorms, and subsequently increasing the severe threat over the central and eastern portions of the state. Damaging winds are the main threat today with the storms as they are likely to be more linear in nature. More updates are possible this afternoon as thunderstorms begin to organize...