000 AWUS83 KILX 030921 RWSILX ILZ027>031-036>038-040>057-061>063-066>068-071>073-031600- WEATHER SUMMARY FOR CENTRAL AND SOUTHEAST ILLINOIS NATIONAL WEATHER SERVICE LINCOLN IL 421 AM CDT THU APR 3 2008 MOSTLY CLEAR SKIES AND SEASONABLE TEMPERATURES WERE FOUND OVER CENTRAL AND SOUTHEAST ILLINOIS OVERNIGHT. HOWEVER...CLOUDS INCREASED FROM THE SOUTH BY THE EARLY MORNING HOURS...AHEAD OF A DEVELOPING STORM SYSTEM IN THE PLAINS. A WARM FRONT EXTENDING FROM A LOW PRESSURE SYSTEM IN THE PLAINS... EAST THROUGH THE OHIO VALLEY WILL BE THE FOCUS FOR SHOWERS AND THUNDERSTORMS TODAY...AND PRODUCE SIGNIFICANT AMOUNTS OF RAIN ACROSS THE SOUTHERN MIDWEST...WHICH HAS ALREADY BEEN HIT HARD BY FLOODING DURING THE PAST TWO WEEKS. A FLASH FLOOD OR FLOOD WATCH IS IN EFFECT FOR SOUTHERN MISSOURI...SOUTHERN ILLINOIS...SOUTHERN INDIANA...AND MUCH OF KENTUCKY...TODAY INTO EARLY FRIDAY. FARTHER NORTH...LIGHT TO MODERATE RAINS ARE EXPECTED ACROSS MUCH OF CENTRAL ILLINOIS TODAY AND TONIGHT. HIGH TEMPERATURES TODAY WILL REACH THE UPPER 40S TO UPPER 50S ACROSS THE MIDWEST...WHILE LOWS TONIGHT WILL DROP INTO THE 30S AND 40S. $$ CHS