ACUS01 KWNS 200026 SWODY1 SPC AC 200024 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0724 PM CDT Thu Mar 19 2026 Valid 200100Z - 201200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast across the U.S. tonight. ..Darrow.. 03/20/2026 $$