Numerous Thunderstorms are developing at this time. They extend from Algona to east of Glenwood. The strongest storm is in Shelby County which has a warning. These storms will continue to develop with some becoming severe as they traverse northeast betweeen 35-40mph. They should begin to weaken at sunset.

A line of showers and thunderstorms, (non-severe for the moment) have developed in NW Iowa along the advancing cold front. This storms are along a line extending from east of Worthington MN to south of Sioux City. A watch is possible soon if these storms develop any further. Elsewhere southerly winds at 10-20 with gusts …

There is a slight risk of severe weather Tuesday west of a line from Mason City to Omaha. The main threats on Tuesday in that area will be large hail and damging wind. This is due to a cold front that is expected to move into the state in the afternoon. As they move off …

Some scattered showers and embedded thunderstorms continue this evening. They are mostly north of Interstate 80 with the concentration of them being from west of Marengo to Marshalltown to Fort Dodge to Humboldt. They are moving slowly east between 20-25 mph. A few more showers could develop between now and midnight, but none of these …

The decaying complex continues moving east. A band of light to moderate showers with some embedded thunder stretched from Boone to Rockwell City, the easternmost portion extended from Waterloo to Newton. The easternmost portion is falling apart and may only produce enough rain to dampen the roadways and lawns. The other portion may still bring …

A complex of thunderstorms is moving through the western and central parts of Iowa at just before 11am. This complex is moving to the east at 25 mph. This will dump at least 1/4-1/2 inch of rain in its duration as it moves through. It is weakening at this time and shouldn’t effect areas east …

The afternoon has brought another round of very isolated storms. These are mainly south of Interstate 80 and east of Interstate 35. The strongest cell is in northern Washington county near Wellman. These isolated cells will last through sunset when they will dissipate. Elsewhere partly cloudy skies prevail.

The same type setup will happen again today, with isolated showers and thunderstorms developing. They will be very isolated, with some places getting a downpour and two miles down the road not getting a drop. Some of these storms may approach severe limits like yesterday’s activity in west-central Illinois, but many will not. Temperatures today …

Most of the state of Iowa remained dry but for a lone shower in northern Lee County near Pilot Grove. A new Severe Thunderstorm Warning was issued across the river in Mercer County Illinois. This storm was moving west at 17mph and would be at the Mississippi River by 5:15. Given what has occurred with …