Thursday, August 16, 2018

Thursday Evening Weather Update

A Flash Flood Warning has been issued for northeast Rock County until 3:15am Friday.  Several roads in Milton have been reported closed or impassable due to flooding.  Up to three inches of rain has fallen in that area, with an additional one to two inches possible.




 Flood Advisory remains in effect for northeast Rock County until 1:15am and for western Rock and Green counties until 11:30pm.  Flooding has been reported around Edgerton, WI with street flooding throughout town.








Showers and isolated thunderstorms have increased in coverage late Thursday afternoon as low pressure moves closer to northern Illinois.  Widespread rain and thunderstorms have been ongoing over Wisconsin and Iowa, closer tied to the low pressure system.

Not everyone will experience the rain Thursday evening, and several locations could end up dry but where the rain does fall, heavy downpours will be possible.

There is a risk for stronger thunderstorms, mostly along Whiteside and southern Lee counties where stronger thunderstorms could produce gusty winds.  But a higher threat remains further downstate.  In fact, there was a Tornado Warning southwest of Peoria earlier Thursday evening.

As the low passes northern Illinois Thursday night showers will remain possible into Friday morning.  Fog will also be possible again for the commute.  As the low moves a little further to the east during the day Friday, isolated showers and thunderstorms will develop with the heating of the day.  Drier air with high pressure arrives by Friday night which will help clear our skies for the weekend.

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