Martin Luther King Jr. Day will be above normal in the mid to upper 50s. A cold front will sweep across the state, bringing a breezy north wind and increasing cloud cover. Tonight will be cloudy with lows in the mid 30s and wind chills in the upper 20s. Tomorrow will be cooler in the mid to upper 40s under mostly cloudy skies. Isolated showers are possible Wednesday, mainly for southern Oklahoma. Highs will soar above normal for the end of the work week in the mid 50s. Our next system arrives this weekend bringing isolated to scattered showers.