Weather cancellations, HISD, Spring ISD Published April 30, 2016 News FOX 26 Houston Share Copy Link Email Facebook Twitter LinkedIn Reddit Image 1 of 2 ▼ HOUSTON (FOX 26) - Weather Cancelations: All HISD weekend activities, including field trips and sporting events All Spring ISD activities Varnett School activities Galveston Island Dog show postponed to May 21st.