After heavy rain and flooding Wednesday, the weather is improving for a few days before the severe risk returns overnight Saturday.Check the video forecast for the latest. Cullman County Schools started on a two-hour delay Thursday morning because of flooded roads. Here are some rain totals through 10 p.m. Wednesday:5.37″ in Union Grove (Chilton Co.)5.13″ in Hartselle (Morgan Co.)4.82″ Cullman Ag Station (Cullman Co.)4.60″ in Double Springs (Winston Co.)4.33″ at Huntsville International Airport3.69″ in Ashland (Clay Co.)3.63″ in Meadowbrook (Shelby Co.)3.56″ in Hueytown (Jefferson Co.)2.38″ in Pell City (St. Clair Co.)2.29″ at Birmingham-Shuttlesworth International Airport VALENTINES DAYValentines Day is another opportunity to catch our breath before the next impact weather moves into view.We begin the day Friday with a widespread freeze. Many communities will dip into the upper 20s and low 30s to start the day. The afternoon will be nice, but cool. Expect a high in the middle to …