A rare frigid storm charged through Texas and the northern Gulf Coast on Tuesday, blanketing New Orleans and Houston with snow that closed highways, grounded nearly all flights and canceled school for more than a million students more accustomed to hurricane dismissals than snow days.

H-E-B will open Wednesday morning after adjusting its store hours amid the winter storm that left Houston covered in snow Tuesday, the grocery store chain announced. LIVE UPDATES: Melted snow on Houston roads turns to dangerous ice See below the store areas in the Houston area: Greater Houston area H-E-B stores and others H-E-B announced stores in the Greater Houston area will open at 10 a.