Radar captures the energy reflected off the bugs, the NWS says.
The woman's 16- and 18-year-old children were found with stab wounds.
One of the exit ramps will be closing for 3 weeks starting Monday.
Michael Vollrath, 38, was also ordered not to drink alcohol for 10 years.
Tens of thousands of children are fleeing from gang violence in Central American countries.
The ruling reversed a lower court, which decided the officer was immune from liability,
The family of a woman missing for more than a year is offering $5,000 for information leading to her location.
A federal judge initially threw out the suit in 2010.
Wisconsin produced over 300,000 pelts more than the number two state.
The butterflies have returned, but experts say the monarch population is at an all-time low.