Temperatures will be below normal for most of the rest of this week. Today will be chilly and windy with highs 20 to 25 degrees cooler than the mid-70s we saw Monday. Lows tonight will be in the upper 20s. Wednesday will be sunny with highs in the upper 50s, but arctic air will arrive Thursday plunging temperatures to 15 to 20 degrees Friday morning. There could be a mix of light rain, light freezing rain and light snow south of a line from Palestine to Jacksonville to Shreveport Thursday night with only light accumulations expected. The weekend will be sunny and warmer.