Another Round of Severe Weather Possible Tonight

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Slight Risk

DES MOINES, Iowa – Following Sunday’s severe weather that produced several tornadoes, more storms are possible again tonight. Sunny skies, warm temperatures and humid conditions will create instability in the atmosphere that could lead to thunderstorm development.

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Large thunderstorms, known as supercells, could form with the possibility of large hail, damaging winds and heavy rain. The tornado threat today is less favorable than Sunday, but an isolated tornado cannot be ruled out.

Widespread thunderstorms are expected to move from northwest to southwest Iowa throughout the afternoon through tonight. The south and southwest portions of the state is the focus for flash flooding concerns. A Flash Flood Watch has been issued for the southern half of the state from 7 p.m. Monday until 7 a.m. Tuesday. Rain totals in southern Iowa can be as high as 2” to 3” tonight.

Thunderstorms will be quick to exit by Tuesday morning as the cold front slides out of the state. Behind the cold front will be a dry and cooler air mass that will remain in Iowa from Tuesday until Thursday.