WWUS84 KOUN 190154 RFWOUN URGENT - FIRE WEATHER MESSAGE National Weather Service Norman OK 854 PM CDT Mon May 18 2026 OKZ004-009-014-021-033-034-TXZ083-084-190300- /O.EXP.KOUN.FW.W.0030.000000T0000Z-260519T0200Z/ Harper-Ellis-Roger Mills-Beckham-Harmon-Greer-Hardeman-Foard- 854 PM CDT Mon May 18 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT THIS EVENING FOR HOT, DRY, AND WINDY CONDITIONS FOR PARTS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS... The cold front has begun to move through Harper and Woods county with north winds and cooler temperatures. Relative humidity has also increased with cooling surface temperatures. Breezy south winds will persist ahead of the front through the next few hours with gusts up to 40 to 50 mph. A wind shift behind the front is expected with north winds that could be gusty up to 50 mph directly behind the boundary before diminishing in speed overnight. $$