Bitter cold. Cold temperatures during the day expected to get even colder overnight and into tomorrow. From snow to downright unpleasant cold temperatures it safe to say winter is finally here. Those temps going to get even colder. Meteorologist john malan joins with the frigid temperatures you might want to let your car run a little bit to warm up, but that might not be the best idea. The idea dates back to the 80s and 90s when experts said it was good for your vehicle to let the engine warm up. However, cars nowadays warm it up fast than letting it sit and a brief idling time of no more than 30seconds is needed. Milwaukees department of public works says the citys four inch rule is no longer in effect. Crews finished up snow removal efforts today on 48hour exception parking streets. The four inch rule applies when more at least 4 inches of snow has fallen. Dpw wants toin check all posted street signs before you park to avoid being ticketed or possibly towed. Salvation Army Red Kettle