Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, mostly cloudy with a chance of showers and thunderstorms and a high of 78 degrees. Southwest wind 5 to 10 mph... Tonight, cloudy with a chance of showers and thunderstorms and a low of 62 degrees. Southwest wind 5 to 10 mph... Tomorrow, a chance …