Jefferson storm history

Snow accumulation of 1-2 inches. A woman died in a traffic accident around 7:40 AM CDT on highway 12 northeast of Fort Atkinson ,when her car crossed into the oncoming lane and struck a truck. Law enforcement determined a shallow covering of snow on the road was a factor in the c…

One to two inches of snow accumulation. One indirect death from a car accident when one vehicle slid into an oncoming vehicle on slippery highway 12 in the Town of Oakland.

Snow accumulation of 3-4 inches. Two fatalities occurred in a snow related vehicle accident.

A motorist lost control on icy highway CW in Ixonia, and crossed the centerline striking another vehicle. One motorist was killed.

The Jefferson County Medical Examiner reported a death of man due to hypothermia. The man was found lying in his front yard at daybreak. It is unknown how many hours the man was lying in the snow. Temperatures were in the 20s Fahrenheit during the morning.

Light snow began falling late in the afternoon of Monday, December 20th and continued through the night into the morning of Tuesday, December 21st. Light freezing drizzle mixed in with the snow, creating a light glaze on untreated surfaces. Snowfall totals around 2 inches were re…

Lightning struck and killed a boy watching the storms outside. He lived on Ebenezer Road in the Civil Town of Watertown.

Heavy rains resulted in flash flooding across much of Jefferson County. Water depths on road surfaces reached 3 feet or more and there were gravel washouts. The rain on June 12th ultimately lead to record-setting crests on the Rock and Crawfish Rivers, and many farm fields remain…

Hail sizes ranged from 1.00 to 2.50 inches in diameter.

Widespread wind chills between 35 and 40 below zero observed countywide. Coldest wind chill of 40 below zero observed at the Watertown AWOS.

Generally 1 to 2 inches of snow observed countywide, with highest totals over the southern half of the county. Highest accumulation of 1.8 inches observed in Palmyra.

Total accumulations near 0.5 inches observed countywide. Highest accumulation of 0.5 inches observed in Jefferson. Blowing snow and reduced visibilities continue following the end of snowfall, leading to lingering travel impacts.

Generally 2 to 4 inches of accumulation observed countywide, with locally higher totals. Highest accumulation of 4.3 inches observed at NWS Milwaukee/Sullivan.

Snow accumulation generally 1.5 inches or less countywide; numerous reported crashes on roadways.

Snow accumulation of 1-2 inches.

Snow accumulation of 1-2 inches. Westerly wind gusts around 35 mph.

Wind chill temperatures 20 below to 26 below zero.

Snow accumulation of a trace to 3 inches with a glaze of ice accumulation.

Snow accumulation of 2-4 inches.

Snow accumulation of 9-13 inches.

Law enforcement reports several trees down.

Uprooted tree north of Sullivan. Other minor tree branches down in the city.

Maximum heat index values of 99-104 degrees Fahrenheit and minimums in the middle to upper 70s.

Hail size measured around 2.34 inches in diameter.