National Weather Service United States Department of Commerce

Today will be cloudy with drizzle and fog possible at times into tonight. Yes, it looks to be a foggy Christmas Eve as widespread fog, possibly dense, impacts travelers both on the roads and in the air through many parts of Iowa. Fog will persist into the morning hours of Christmas Day with an otherwise cloudy and mild day forecast. Drizzle may return later in the day into Thursday night. Finally, the clouds will begin to decrease on Friday, especially over portions of southern and western Iowa.
Despite a snowy start to this winter, many Iowans will not have a White Christmas this year. Is that common? Short answer: No, typically chances favor a White Christmas when at least 12 inches or more of snow has fallen by Christmas.