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.

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 …

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 …

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 …

A New Severe Thunderstorm Watch has been issued in South Dakota that comes as far east as the Iowa South Dakota border. This watch is in effect until 6am. At this time a complex of thunderstorms is moving through central South Dakota. These storms are moving eastward at 55-60 mph. These storms will most likely …

Indications are that a severe weather event is possible on Sunday in Iowa. Above is the probability of severe weather. This is likely to be a repeat of Monday morning’s activity with a possible derecho moving across the state. Also, there will be a higher risk for some tornadoes (brief ones) and large hail. More …