A WINTER STORM WARNING GOES INTO EFFECT AT 9 PM TUESDAY AND LASTS UNTIL 6 PM WEDNESDAY. Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, mostly cloudy with a high of 38 degrees. South wind 5 to 10 mph... Tonight, cloudy with snow likely after Midnight and a low of 31 degrees. East wind 5 to 15 mph... Tomorrow, cloudy with snow likely and a high of 34 degrees. Snow may be heavy at times during the morning. East wind 5 to 15 mph. Total snow accumulation of 3 to 5 inches possible... Tomorrow night, cloudy with a low of 27 degrees. Northwest wind 10 to 20 mph... And for Thursday, cloudy with a chance of flurries and a high of 31 degrees. Northwest wind 10 to 15 mph.