We are looking at snow today and tonight. We will have a chance of rain today, eventually becoming all snow later on this evening with a high today of 39. The National Weather Service in St. Louis total daytime snow accumulation of less than one half inch. Then, snow is likely for tonight–mainly before 8 pm–with a low of 21. The NWS says that total night snow accumulation of less than one half inch is possible. Then, it’ll be sunny and cold on Tuesday with a high of 30.