The Severe Thunderstorm watch has been extended to include the following counties until 6am Adair, Adams, Audubon, Carroll, Cass, Crawford, Greene, Guthrie, Ringgold, Taylor, Union. The Severe Thunderstorm watch has been cancelled for the following counties, Butler, Franklin, Grundy, Hamilton, Hardin, Humboldt, Marshall, Poweshiek, Tama, Webster, Wright.
Category: All of Iowa
11pm Update
Numerous Thunderstorms, many severe, are developing along a nearly stationary boundary set up from Centerville to Knoxville to Boone to Fort Dodge. These storms continue to move SE along the boundary producing large hail, damaging winds and heavy rain. These storms will continue moving over the same areas again and again and flash flooding could …
9pm Update
The complex of thunderstorms is moving out of the state with leftover lines of strong to severe thunderstorms continuing in south central Iowa. A line extends from Centerville to Boone. Another line of thunderstorms extends from Tipton to Waterloo with an isolated shower north of Mason City. These storms will continue moving SE producing moderate …
Radar Update (7:40pm)
At 7:40pm, radar showed a large complex of thunderstorms covering the SE part of Iowa, from that a line of strong to severe thunderstorms streched back NW from Bloomfield to Melrose to Indianola to Dallas Center to Jefferson. Any of these storms (alone the line) could produce heavy rain and winds to 50mph and small …
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Severe Thunderstorm Watch
The Storm Prediction Center has issued a Severe Thunderstorm watch in effect until 10pm. This includes the following counties in Iowa, Buena Vista, Cherokee, Ida, Plymouth, Woodbury, Adair, Adams, Appanoose, Audubon, Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll, Cass, Clarke, Crawford, Dallas, Davis, Decatur, Franklin, Greene, Grundy, Guthrie, Hamilton, Hardin, Humboldt, Jasper, Lucas, Madison, Mahaska, …
A Watch Possible shortly
A new Weather Watch may be issued shortly from the Storm Prediction Center. This will likely involve most of Iowa. This is based on the complex of thunderstorms in NW Iowa at this time, where a Severe Thunderstorm warning had been in effect for Palo Alto County.
Midday Look
The complex of thunderstorms that was in SE South Dakota has moved in NW Iowa and SW Minnesota. The storms are not severe at this time. The most concentrated activity is around the Iowa Lakes region (Spirit Lake) and is moving eastward. This will likely stay north of US Hwy 18 as it moves across …
8am Update
A decaying thunderstorm complex is moving across northern Iowa mainly north of IA Hwy 3 and west of of US Hwy 63 and east of US Hwy 169. This will continue to move eastward. These storms are not severe. Off to the NW a complex of thunderstorms is moving through South Dakota. These storms, some …
Slight Risk Sunday
There is a slight risk for Severe Weather for the entire state of Iowa on Sunday. The main threats will be large hail (Up to Baseball sized), damaging winds and isolated tornadoes. The threats are higher than previous days with a 30% chance of damaging winds and large hail, including a 10% chance of VERY …