Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, partly cloudy and cooler with a high of 46 degrees. Northwest wind 5 to 10 mph... Tonight, mostly cloudy with a low of 35 degrees. East wind 5 mph... Tomorrow, cloudy with a chance of rain late in the day and a high of 57 degrees. Southeast wind 5 …