Rock storm history

Dense fog was a factor in a head-on-collision on highway 14 in the Janesville Township. One fatality and one seriously injured person were reported.

The Dane County Medical Examiner's Office determined hypothermia was a contributing factor in the death of a man found frozen outside in Beloit.

The frozen body of a woman was found next to her car outside her rural home. Temperatures were slightly below zero early that morning and the Medical Examiner's Office determined that hypothermia contributed to her death.

Areas of ice and snow on roadways resulted in a head-on collision on highway 14. The drivers of both vehicles were killed.

A man was struck by lightning and killed when he got out of his vehicle on highway 14 to correct the windshield wiper. A line of severe thunderstorms was moving through the area at the time.

High winds out of the northwest were a factor in a multi-vehicle accident that killed a 86 year old man near the intersection of Highway 11 and Dunbar Road in the Town of Plymouth. The car driven by the 86 year old man crossed the center-line going westbound and collided with an …

Wind chill temperatures ranged from 20 below to 30 below zero. One cold weather death was reported by the Rock County Coroner. A man collapsed outside due to a heart attack and the extreme cold.

Gusty winds to 50 mph combined with heavy snow to produce visibilities of 1/4 mile or less, as well as blowing and drifting snow. Snowfall totals only ranged between 2 and 5 inches, but the blowing and drifting snow caused State Highway 14, between State Highway 140 in Rock Count…

A brief period of snow showers with reduced visibility and accumulating snow resulted in two large vehicle pile-ups on both sides of I-39/90 near Beloit and Janesville. Approximately 85 vehicles were involved in the pile-ups and around 50 people were injured and treated in area h…

A glaze of ice on roads and elevated surfaces from freezing drizzle. US Highway 51 was closed in both directions in Janesville for a time due to an accident.

Snow accumulation of 1-2 inches. Westerly wind gusts around 40 mph.

Wind chill temperatures 20 below to 26 below zero.

Freezing rain and a glaze of ice accumulation. Very minor snow accumulation.

Snow accumulation of 3-5 inches.

Snow accumulation of 10-12 inches.

Multiple reports of cars stalled around Beloit as they drove into flooded roads.

Ping pong ball hail on the west side of Janesville.

Public Facebook report via video of many hailstones shredding leaves off a backyard tree.

Image of ping-pong ball sized hail.

Tree damage across Janesville.

Trees down across a roadway.

Several streets with ponding water are impassable in Janesville.

Dispatch center reports multiple trees and power lines down in La Prairie township.

Maximum heat index values of 100-104 degrees Fahrenheit and minimums in the middle to upper 70s.

Several streets flooded and closed in Clinton.

Numerous hail damage to vehicles, siding, and roofs in Evansville. Gusty winds accompanied the very large hail.

Picture provided.

Golf ball sized hail, some even large. Car dents and tree damage.