Lake storm history

While winds gusted as high as 47 mph at Madison, visibility was only briefly reduced to around 2 miles during the early afternoon. There was considerable drifting snow, which led to development of icy roadways. At 2040CST, a vehicle travelling south on South Dakota Highway 19 ten…

Heavy rainfall of up to 6 inches caused flash flooding of numerous roads, parks, fields, other low areas, and buildings including homes. At least 90 homes were heavily damaged in Madison by the flooding, including at least two with basement walls washed out. A basement wall of a …

Heavy rain from September 10-12 (as much as 8.81 inches 2 miles north of Chester, 7.36 inches 4 miles west northwest of Rutland, and 7.01 inches 2 miles south of Winfred) led to widespread areal flooding. Flooding was most significant around Madison, where ponding waters led to t…

Blizzard conditions led to a shutdown of government offices and schools, and travel was not recommended due to the widespread whiteout conditions. Storm-total snowfall reached 6 to 15 inches, with 12.5 inches at Madison. With winds gusting at times to 40 to 50 mph, snow drifts to…

Northwest winds were sustained between 40 and 45 mph at times, with gusts as high as 60 mph 1 mile southeast of Madison, and 59 mph at Madison and a South Dakota Mesonet site 6 miles south of Madison.

Wind chills reached as low as -26 degrees at Madison and at a South Dakota Mesonet site 6 miles south of Madison.

Synoptic northwest winds were sustained from 40 to 52 mph with a peak gust of 65 mph at a South Dakota Mesonet site 6 miles south of Madison and 64 mph at an Automated Weather Observing System site at Madison.

Snowfall totaled 1.8 inches 2 miles southeast of Madison.

A long-duration snowfall totaled 3.0 inches at Madison.

Sustained winds were from 30 to 37 mph, with a peak gust of 54 mph at the South Dakota Road Weather Information System site near Madison and 53 mph at the Automated Weather Observing System site at Madison.

Heat index values peaked as high as 103 degrees at Madison.

Heat index values peaked as high as 103 degrees 9 miles southwest of Madison, 102 degrees 2 miles southwest of Wentworth, and 101 degrees at Madison.

Dangerous heat index readings reached an afternoon peak on July 27 as high as 116 degrees at Madison, 112 degrees near Wentworth, 109 degrees near Ramona, and 107 degrees at South Dakota Mesonet site MDMS2 6 miles south of Madison.

Dangerous heat index readings reached daily afternoon peaks as high as 108 degrees at Madison and 106 degrees at Orland on July 22.

Thunderstorm wind gusts were measured by a personal weather station.

Daily afternoon and evening heat indices ranged from 105 to 111 degrees with a maximum heat index of 111 degrees at a personal weather station near Madison, 109 degrees at a personal weather station in Wentworth, and 105 degrees at the Automated Weather Observing System site at M…

Snowfall totaled 1.0 inch 2 miles southeast of Madison.

Severe (D2) drought conditions improved to moderate (D1) early month.

Moderate (D1) drought conditions worsened to severe (D2) late month.

Northwest winds were sustained at times around 40 mph at Madison.

Winds were sustained at 30 to 39 mph with a peak gust of 52 mph 9 miles south of Madison and 49 mph at Madison.

The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at the Madison Municipal Airport (KMDS).

The lowest wind chills ranged from 35 to 40 below zero with 40 below zero observed at the Madison Municipal Airport (KMDS).

Wind chill temperatures ranged from 25 to 34 below zero during the early morning hours. The AWOS at the Madison Municipal Airport briefly dipped as low as 36 below zero.

Snowfall totaled 3.1 inches 2 miles southeast of Madison.

Snowfall totaled 2.5 inches 2 miles southeast of Madison.

The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at the Madison Municipal Airport (KMDS).

Winds were sustained from 30 to 36 mph at times with gusts as high as 49 mph at Madison.

Winds were sustained from 30 to 40 mph with gusts as high as 51 mph at Madison.

An occasional wind gust up to 50 mph was measured 6 miles south of Madison and 48 mph in Madison.

Severe (D2) drought improved to moderate (D1) conditions after around 200 percent of normal monthly precipitation.

Severe (D2) drought developed with precipitation from 5 to 6 inches below normal since August 1.

Afternoon and early evening heat index values reached as high as 112 degrees at Madison.

Two-day heat index readings peaked very briefly at 106 degrees at a personal weather station near Wentworth and 105 degrees at Madison.

Tree limbs up to 3 inches in diameter were taken down by thunderstorm wind gusts.

Heat index values reached 108 degrees at Madison and 105 degrees near Wentworth.

Afternoon and evening heat indices ranged from 100 to 110 degrees with a maximum heat index of 110 degrees a personal weather station near Madison, 109 degrees at a personal weather station in Wentworth, and 106 degrees at the Automated Weather Observing System site in Madison.

After 2 to 3 inches of rainfall in the hour leading up to the time, water flowed over the road at the intersection of 447th Avenue and 241st Street. For a more comprehensive description of flood damage, please see other entries for areal and river flooding for Lake County.

Thunderstorm wind gusts just ahead of the storm knocked numerous branches down across the yard. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.

Rainfall amounts across Lake County from June 20-22 ranged from 3 to 9 inches. Overland flooding ensued with the majority of road damage to areas south of South Dakota Highway 34 and west of South Dakota Highway 19. County wide, nine homes reported minor to major flood damage wit…

Strong synoptic winds gusted up to 49 mph at Madison.

Hail was mostly pea to dime sized, but several were as large as a quarter.

Snow developed early but changed to a period of mixed precipitation by midday on the 24th as temperatures warmed above freezing. Snow redeveloped by late on the 24th, with a later increase in north winds which gusted as high as 39 mph at Canova and 43 mph 5 miles south of Arlingt…

Wind chills dropped as low as -25 degrees near Ramona and Wentworth.

Snowfall totaled 3.0 inches at Madison. Visibility was as low as 1/2 mile at times of falling snow and wind gusts up to around 30 mph in the early afternoon hours.

Wind chills remained -35 degrees or colder at times over a nearly four-day period, with a minimum wind chill of -53 degrees near Ramona and -49 degrees near Wentworth during the evening on January 13.

Snowfall totaled 6.0 inches in Madison.

A period of sleet, freezing rain, and snow developed early on Christmas Day and lingered into early afternoon before changing over to light drizzle and light freezing drizzle late afternoon and into Christmas night. Snow and sleet accumulated to 0.5 inch at Madison, with less tha…