Meteorologists in Missouri were flummoxed by the tiny dots until they researched butterfly flight patterns.
The temperature of the next few days is lower than the historical average. Friday will be the coldest with a low around 44 degrees.
The storm left more than 14,000 Columbia residents without power and caused the first call for outside help since 1981.
A lightning strike ignited an north Columbia roof, and flood water submerged roads across town.
According to the National Weather Service in St. Louis, rain, strong winds and hail are possible in Columbia tomorrow.
Showers and thunderstorms on Friday afternoon may be alarming for Saturday gamegoers and tailgaters, but storms are not in the forecast for game day.
The latest edition forecasts colder-than-normal and wetter-than-usual weather for three-quarters of the country east of the Rocky Mountains.
A heat advisory is in effect for central Missouri from Wednesday to 7 p.m. Sunday. The warning covers Audrain, Boone, Callaway, Cole, Montgomery and Osage counties. Residents are encouraged to use cooling centers.
High temperatures for the next five days are forecast to be the hottest of the summer.
Ameren Missouri said about 20,800 customers lost power in its service area in eastern Missouri Wednesday night. By 5 a.m. Thursday, power had been restored to more than 80 percent of those customers.
Outdoor city pools at Twin Lakes, Douglass Park, Lake of the Woods Recreation Area and Albert-Oakland Park were closed Tuesday because of the temperature drop. These pools close when the temperature is forecast to stay below 75 degrees.
A neighborhood makes do and forms bonds without electricity. "People have come together. I've met neighbors I hadn't even seen before," Marion Drive homeowner Vince Hawkins said.
Power has been restored to a majority of the more than 14,000 who lost power during the storms. But Columbia Water and Light said in a statement that not all outages will be fixed before Wednesday.
One of Nelson's Tree Service's stops was a house on West Boulevard where a 75-foot hackberry tree fell over.
A Columbia resident lost all but his most precious belongings during the storm Monday night.
The Missourian collected reactions and photos shared by Columbia residents on social media.
Thunderstorms hit Missouri Monday night causing damage across the state.
A quick look at a National Weather Service climate report shows that Columbia received average amounts of precipitation in June.
Six Midwest states, including Missouri, were dealing with significant flooding due to the rain from Monday night and Tuesday morning. Forecasters say the Mississippi River will be at a major flood stage for communities in Iowa, Illinois and Missouri this weekend.
Officials with the St. Louis Health Department say more people in the U.S. die from extreme heat than from tornadoes, hurricanes, lightning, floods and earthquakes combined.