Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, partly cloudy with a slight chance of a shower or thunderstorm and a high of 87 degrees. South wind 5 to 10 mph... Tonight, partly cloudy with a low of 66 degrees. South wind 5 to 10 mph... Tomorrow, partly cloudy with a chance of a shower or th…