Through record heat we have been tracking a dramatic cool down set to arrive tonight to northern Colorado and by early Tuesday morning to Southern Colorado. The change will also bring the season's first snow for some, especially those closer to the Front Range and along the Palmer Divide. We will have more on the snowfall outlook later today, so please look for that. For now a quick post on the cold that's expected. Below are the current hazards issued by the NWS. The dark purples are Freeze