674  
ASUS43 KLOT 152202  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 PM CDT THU MAY 15 2025  
 
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY
.  
 
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT  
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
 
 
ILZ001-002-007-009-015-016-024-152300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE PTSUNNY 87 60 40 W21G41 29.42R HX 87 TC 31  
STERLING* PTSUNNY 91 62 37 SW14G29 29.40F HX 91 TC 33  

 
 
ILZ003-004-008-010-011-017-018-152300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD PTSUNNY 83 64 52 S17G60 29.38F SQUALL THUNDER  

 
 
ILZ005-006-012>014-019>023-152300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 93 66 40 S21G35 29.42F HX 96 TC 34  
CHICAGO-MIDWAY CLOUDY 95 64 35 S21G33 29.44F HX 97 TC 35  
AURORA PTSUNNY 93 65 39 S23G36 29.42F HX 95 TC 34  
WAUKEGAN MOSUNNY 74 61 63 SE12 29.44F TC 23  
DUPAGE AIRPORT PTSUNNY 93 62 35 S26G40 29.42F HX 93 TC 34  
WHEELING MOSUNNY 93 65 39 S22G33 29.43 HX 95 TC 34  
MORRIS* PTSUNNY 91 68 46 S23G29 29.44F HX 95 TC 33  
LANSING* MOSUNNY 90 68 47 S17G23 29.48F HX 94 TC 32  
NORTHERLY ISL* N/A 89 61 38 S9 N/A HX 89 TC 32  

 
 
LMZ740>746-152300-  
SOUTHERN LAKE MICHIGAN  
 
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
 
AIR SEA DIR/SP/G HT/PER  
(F) (DEG/KT/KT) (MB) (MI) (FT/S)  
HARRISON CRIB 82 150/ 27/ 29 N/A  
NORTHERLY ISL 74 170/ 6/ 19 N/A  
CALUMET HARBOR 90 160/ 13/ 19 997.6  
BURNS HARBOR 92 180/ 7/ 12 999.3F  
MICHIGAN CITY 89 160/ 12/ 15 997.0F  
ST. JOSEPH BUOY 74 58 170/ 14/ 17 1001.3F 1/ 2  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY CLOUDY 87 49 26 SW17G32 29.54R HX 84 TC 31  
MACOMB* MOSUNNY 89 55 32 W31 29.51S HX 87 TC 32  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
BLOOMINGTON PTSUNNY 88 71 57 SW26G32 29.52R HX 94 TC 31  
DECATUR MOSUNNY 88 71 57 S25G38 29.57R HX 94 TC 31  
PEORIA PTSUNNY 91 64 40 SW23G30 29.47F HX 92 TC 33  
SPRINGFIELD SUNNY 89 68 49 SW16G29 29.52S HX 93 TC 32  
TAYLORVILLE PTSUNNY 88 70 55 MISG 29.57R HX 92 TC 31  

 
 
ILZ033-039-045-046-055>057-062-063-152300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN MOSUNNY 91 70 49 S30G39 29.56R HX 96 TC 33  
MATTOON MOSUNNY 85 72 65 S20G38 29.61R HX 91 TC 29  

 
 
ILZ079-100>102-152300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON MOSUNNY 86 70 58 SW15G24 29.59F HX 90 TC 30  
BELLEVILLE PTSUNNY 84 73 69 S16G25 29.60F HX 90 TC 29  
CAHOKIA* PTSUNNY 85 72 65 S12G26 29.60S HX 91 TC 29  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE PTSUNNY 79 69 71 S20G33 29.70R HX 81 TC 26  
CAIRO* CLOUDY 75 71 87 S13 29.77R TC 24  
MARION LGT RAIN 79 70 73 S21G35 29.72R HX 81 TC 26  
MT. VERNON N/A 82 73 74 S17G25 29.68R HX 87 TC 28  
CENTRALIA* PTSUNNY 83 71 67 S23G29 29.66R HX 87 TC 28  
SALEM* PTSUNNY 84 71 63 SW21G30 29.65R HX 89 TC 29  
METROPOLIS* LGT RAIN 77 67 71 SW21G32 29.82R TC 25  

 
 
ILZ067-068-072-073-078-083-087-091-152300-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTSUNNY 85 71 63 S24G32 29.66R HX 90 TC 29  
FAIRFIELD* PTSUNNY 82 69 63 S16G26 29.68R HX 85 TC 28  
HARRISBURG* LGT RAIN 80 70 71 SW21G29 29.75R HX 83 TC 27  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page Main Text Page