5pm Update: A Severe Thunderstorm Warning has been issued for northwest Green County until 6pm. The storm is currently moving east at 40 mph and capable of producing 70 mph wind gusts and quarter sized hail. An isolated tornado is also possible.
A Severe Thunderstorm Watch has been issued for Rock, Green, and Walworth counties until 10pm in southern Wisconsin. Severe storms have developed this afternoon along a stalled boundary to the north and west, impacting northeast Iowa and southwest Wisconsin over the last couple of hours.
The storms are generally moving in the east/northeast direction and are likely to impact southern Wisconsin over the next couple of hours. It is possible that a few of the storms could dip south of the state line into far northern Illinois by 5pm-7pm. If so, there would be a risk for an isolated severe storm or two through sunset.
We may then see additional thunderstorms later this evening, closer to Midnight, move into the area. If so, there is a low-end risk for those storms to also reach severe limits with primarily a wind and hail threat.



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