Weather History for July 27
 
1926
A hurricane came inland near Daytona Beach, FL. The hurricane caused 2.5 million dollars damage in eastern Florida, including the Jacksonville area. (David Ludlum)

1939
The temperature at Lewiston, ID, hit 117 degrees to establish an all-time record high for that location. (The Weather Channel)

1943
On a whim, and flying a single engine AT-6, Lieutenant Ralph O'Hair and Colonel Duckworth were the first to fly into a hurricane. It started regular Air Force flights into hurricanes. (The Weather Channel)

1987
Thunderstorms in Minnesota spawned a tornado which moved in a southwesterly direction for a distance of thirty miles across Rice County and Goodhue County. Trees were uprooted and tossed about like toys, and a horse lifted by the tornado was observed sailing horizontally through the air. Thunderstorms drenched La Crosse, WI, with 5.26 inches of rain, their second highest 24 hour total of record. (The National Weather Summary) (Storm Data)

1988
Hot weather prevailed in the north central U.S. Williston, ND, reported a record high of 108 degrees. Thunderstorms produced severe weather in the eastern U.S., and in southeastern Texas. Richland County, SC, was soaked with up to 5.5 inches of rain. (The National Weather Summary)

1989
Thunderstorms produced locally heavy rains in the southwestern U.S. Yuma, AZ, experienced their most severe thunderstorm of record. Strong thunderstorm winds, with unofficial gusts as high as 95 mph, reduced visibilities to near zero in blowing dust and sand. Yuma got nearly as much rain in one hour as is normally received in an entire year. The storm total of 2.55 inches of rain was a record 24 hour total for July. Property damage due to flash flooding and high winds was in the millions. (Storm Data)

1989
Thunderstorms produced severe weather from Wisconsin and northern Illinois to New England, with 103 reports of large hail and damaging winds through the day. Thunderstorms in Wisconsin produced hail three inches in diameter near Oshkosh, and wind gusts to 65 mph at Germantown. (The National Weather Summary)

Data courtesy of weatherforyou.com
See https://www.weatherforyou.com/weather_history/index.php