A series of storm systems will slide through the forecast area with each one bringing chances of rain and snow, so read on for the details…
The first system hits today with scattered rain showers across southern Iowa and a decent chance later this evening into northwest to north central Iowa as the warm front advances to the north. Additional scattered showers are anticipated after midnight tonight through Wednesday morning along and ahead of the frontal zone. Most of this activity should be well off to the east by late morning but likely to still have some lingering showers into south central and southeast Iowa. Overall, rain amounts with the system won’t be anything to impressive with generally 0.10″ or less and locally higher off into extreme southeast Iowa where additional rounds of scattered shower activity will persist after midnight tonight.
The area of showers across southeast Iowa should become more widespread into south and central Iowa later Wednesday afternoon into the evening as the second system takes shape. This will bring a swath of showers and thunderstorms from central to southern Iowa and as temperatures cool later Wednesday night, the focus will turn to the northwest half of Iowa for a quick hitting of mix overnight into early Thursday. At the same time, we will need to watch for a few strong storms from south central to southeast Iowa later Wednesday night 7-11 PM with main threats of hail and gusty winds.
By daybreak on Thursday, all activity should be well off to the east of the state. Rainfall amounts with the second round will be more considerable with 0.10-0.25″ across a large part of the state and 0.25-0.50″ into central and eastern Iowa. That is what we know thus far for the second system, but I will continue to crunch numbers with another update to follow later.
Forecast radar – valid today through Wednesday morning
Rain forecast – valid today through Wednesday morning
Severe risk Wednesday evening –
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