Strong to severe storms will be possible on Monday. A very warm and unstable airmass will be in place, ahead of an approaching cold front that will move through the state Monday evening. Storms initially may be isolated supercell structures, but will rapidly merge into clusters and a line, further south along the cold front.
This will pose a damaging wind and large hail threat across portions of western Iowa late Monday afternoon into early evening. As the sun begins to set, storms will begin to weaken below severe limits as they approach the I-35 corridor.
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