Winter Weather Advisories in effect for tonight.
Flood Watches in effect for Thursday.
Winter Storm Watches in effect for Friday.
High Wind Watches in effect for Thursday night into Friday.
Warm advection will allow temperatures to rise from the middle 30s into the lower 40s by morning. Light sleet and snow will be possible for Southern Wisconsin this evening with minor accumulations there. A Winter Weather Advisory is in effect for Green, Rock, and Walworth Counties.
As the warm air filters in late night, thunderstorms will be likely area-wide. Some may produce very gusty winds.
Warm air will continue to filter into the area, accompanied by rounds of showers and thunderstorms. The Storm Prediction Center has put our southern counties in a slight risk of severe with the main threat being damaging straight line winds. South of I-80 there will be a threat of tornadoes during the day Thursday.
Rain and thunderstorms may produce flooding as our ground is still frozen and most rivers and creekbeds are covered with ice. A Flood Watch is in effect for all of Northern Illinois through Friday.
Low pressure will work into Southern Wisconsin. Winds will be increasing until this time. Some gusts may approach 50-60mph which may bring down trees and powerlines. A High Wind Watch has been issued for Northwestern Illinois for this possibility. Flooding may be an ongoing threat.
Temperatures will fall into the upper 20s during the night which will allow our rain to change to snow. While heavy snow isn’t likely here, the blowing will be phenomenal! A Winter Storm Watch has been issued for Northwestern Illinois for this possibility.
Light snow will be accompanied by 30-40mph sustained winds. This will cause blowing and drifting, even with light accumulations…in the 1-3 inch range.
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This post was written by Eric Sorensen on February 28, 2007