A HOT & HUMID day across Nebraska with mostly/partly sunny skies. Heat index values could exceed 107°+ during the peak afternoon across SE Nebraska & areas near the NE/KS line. Severe Weather Wednesday Night -Thursday Morning : August 12-13, 2026Wednesday morning will bring rain/storms across eastern Nebraska. The main severe weather threat develops out west Wednesday evening/night! Wednesday night brings strong to severe storms SW-E along with beneficial rainfall which could lead to widespread flooding.