Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, mostly sunny, hot and humid with a high of 90 degrees. Southwest wind 5 to 15 mph... Tonight, partly cloudy with a low of 70 degrees. Southwest wind 5 to 10 mph... Tomorrow, partly cloudy with a high of 86 degrees. Southwest wind 5 to 15 mph... …