Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... Today, mostly cloudy with a high of 78 degrees. East wind 5 to 10 mph... Tonight, mostly cloudy with a low of 64 degrees. Northeast wind 5 to 10 mph... Tomorrow, mostly cloudy with a chance of showers and thunderstorms and a high of 81 degrees. South wind …