081 AWUS83 KLOT 091314 RWSLOT ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 092115- WEATHER SUMMARY FOR NORTHERN ILLINOIS AND NORTHWEST INDIANA NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 714 AM CST FRI NOV 9 2012 /814 AM EST FRI NOV 9 2012/ SKIES WERE PARTLY TO MOSTLY CLOUDY ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA EARLY THIS MORNING. TEMPERATURES WERE IN THE MID TO UPPER 30S ACROSS THE AREA WITH LIGHT SOUTHERLY WINDS. A RIDGE OF HIGH PRESSURE OVER THE OHIO RIVER VALLEY WILL SLOWLY MOVE EAST TODAY. SOUTHERLY WINDS ON THE BACKSIDE OF THE HIGH WILL USHER IN WARMER AIR INTO THE AREA TODAY. TEMPERATURES TODAY WILL RETURN TO ABOVE NORMAL LEVELS WITH READINGS IN THE MID TO UPPER 50S. A FRONTAL BOUNDARY WILL MOVE INTO NORTHERN ILLINOIS THIS EVENING...BRINGING A CHANCE FOR SOME SCATTERED SHOWERS AND PERHAPS A THUNDERSTORM. A BIG WARM UP IS EXPECTED THIS WEEKEND AS BREEZY SOUTHERLY WINDS WILL DEVELOP AHEAD OF A STRONG STORM SYSTEM LIFTING NORTHEAST OUT OF THE CENTRAL PLAINS. TEMPERATURES ON SATURDAY WILL BE IN THE UPPER 60S AND IN THE LOW TO MID 60S ON SUNDAY. A COLD FRONT WILL MOVE THROUGH THE AREA ON SUNDAY. SHOWERS WILL BE POSSIBLE AHEAD OF THE FRONT ON SUNDAY MORNING...WITH A BETTER CHANCE FOR RAIN SUNDAY AFTERNOON AND EVENING. MUCH COLDER AIR WILL ARRIVE BEHIND THE FRONT ON MONDAY...WITH ANY LINGERING PRECIPITATION POTENTIALLY MIXING WITH OR CHANGING TO SNOW. $$