Happy F**king Spring!WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM FRIDAY TO1 AM CDT SATURDAYA WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM CDT FRIDAY TO 1 AM CDT SATURDAY. THE WARNING AREA IS GENERALLY ALONG AND NORTH OF A LINE FROM STERLING...TO JOLIET...TO CROWN POINT INDIANA.SNOW WILL DEVELOP ACROSS THE UPPER MISSISSIPPI VALLEY TONIGHT...SPREADING INTO PORTIONS OF NORTHERN ILLINOIS AND NORTHWEST INDIANA EARLY FRIDAY MORNING. SNOWFALL WILL LIKELY BECOME HEAVY AT TIMES DURING THE DAY FRIDAY...WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE. SNOW WILL THEN GRADUALLY DIMINISH FRIDAY EVENING. TOTAL SNOWFALL ACCUMULATION IS EXPECTED TO RANGE FROM 6 TO 9 INCHES...WITH SNOW AMOUNTS DIMINISHING RAPIDLY SOUTH OF A STERLING TO JOLIET AND CROWN POINT INDIANA LINE WHERE PRECIPITATION IS EXPECTED TO BE MAINLY RAIN.