037  
ASUS43 KLOT 121010  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 AM CDT SUN APR 12 2026  
 
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.
 
 
ILZ001-002-007-009-015-016-024-121100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 63 56 78 S13G23 29.93F TC 17  
STERLING* MOCLDY 61 55 81 S8G16 29.97F TC 16  
SAVANNA* MOCLDY 58 53 84 S12 29.94F TC 14  

 
 
ILZ003-004-008-010-011-017-018-121100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOCLDY 55 48 77 S13 29.99F TC 13  
FREEPORT* CLOUDY 58 55 89 S18G25 29.96F TC 14  
ROCHELLE* PTCLDY 55 49 78 S17 29.99F TC 13  
DE KALB* PTCLDY 53 47 80 S17 30.01F TC 12  
PERU* MOCLDY N/A N/A N/A S10 30.01F  

 
 
ILZ005-006-012>014-019>023-121100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLOUDY 60 48 64 S14G25 30.02F TC 16  
CHICAGO-MIDWAY CLOUDY 60 48 64 S13 30.04F TC 16  
AURORA MOCLDY 56 48 74 S13 30.02F TC 13  
JOLIET* CLOUDY 62 51 67 S12G17 30.05F TC 16  
WAUKEGAN MOCLDY 52 43 71 S8 30.00F TC 11  
DUPAGE AIRPORT PTCLDY 55 46 71 S10 30.02F TC 13  
KANKAKEE* PTCLDY 58 48 69 S13 30.08F TC 15  
WHEELING MOCLDY 58 47 66 S13 30.03F TC 14  
MORRIS* MOCLDY 56 47 71 S13 30.03F TC 14  
ROMEOVILLE* CLOUDY 57 50 77 S15 30.05F TC 14  
LANSING* PTCLDY 55 45 67 S13 30.07F TC 13  
NORTHERLY ISL* N/A 59 45 59 S14 N/A TC 15  

 
 
LMZ740>746-121100-  
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)  
WINTHROP HARBOR 43 41 310/ 12/ 14 1017.5 2/ 4  
WAUKEGAN HARBOR 46 43 1018.4 1/ 3  
HARRISON CRIB 58 190/ 21/ 22 N/A  
NORTHERLY ISL 58 200/ 7/ 11 N/A  
CALUMET HARBOR 59 170/ 10/ 13 1017.3  
BURNS HARBOR 58 170/ 7/ 12 1018.6F  
MICHIGAN CITY 56 150/ 17/ 20 1017.3F  
ST. JOSEPH BUOY 53 160/ 16/ 19 1019.3F 2/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-121100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTCLDY 65 55 70 S13 29.99F TC 18  
GALESBURG* MOCLDY 58 58 100 S7 30.00S TC 14  
MACOMB* MOCLDY 61 57 87 S13 30.01F TC 16  
JACKSONVILLE* PTCLDY 63 53 70 S12 30.03F TC 17  
PITTSFIELD* PTCLDY 64 56 75 S8 30.03F TC 18  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-121100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC MOCLDY 57 51 80 MISG 30.05F TC 14  
BLOOMINGTON MOCLDY 58 55 90 S17 30.06F TC 14  
DECATUR MOCLDY 61 55 81 S14 30.08F TC 16  
PEORIA MOCLDY 59 54 83 S10 30.02F TC 15  
LACON* MOCLDY 60 52 74 S12 30.01F TC 16  
LINCOLN* MOCLDY 62 53 73 S13 30.05F TC 16  
SPRINGFIELD PTCLDY 63 55 75 S17 30.05F TC 17  
TAYLORVILLE MOCLDY 63 55 77 S14 30.08S TC 17  

 
 
ILZ033-039-045-046-055>057-062-063-121100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN PTCLDY 58 53 84 S16 30.09F TC 14  
DANVILLE* PTCLDY 58 53 83 S8 30.12F TC 14  
RANTOUL* PTCLDY 55 51 88 S8 30.09F TC 13  
MATTOON MOCLDY 59 54 83 S8 30.11F TC 15  
PARIS* PTCLDY 57 52 85 MISG 30.13F TC 14  

 
 
ILZ079-100>102-121100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON PTCLDY 64 55 72 S9 30.07F TC 18  
CAHOKIA* PTCLDY 61 55 81 S7 30.06F TC 16  
SPARTA* CLEAR 63 56 77 SE7 30.11S TC 17  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 63 56 78 S8 30.12S TC 17  
CAIRO* CLEAR 64 56 78 S3 30.14S TC 18  
EFFINGHAM* PTCLDY 60 57 91 SE7 30.13F TC 16  
MARION CLEAR 64 55 72 S8 30.14S TC 18  
MT. VERNON PTCLDY 60 55 83 SW5 30.13F TC 16  
CENTRALIA* PTCLDY 64 56 77 S9 30.11F TC 18  
SALEM* PTCLDY 65 56 72 S5 30.12S TC 19  
METROPOLIS* CLEAR 58 57 97 CALM 30.15F TC 14  

 
 
ILZ067-068-072-073-078-083-087-091-121100-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE PTCLDY 57 54 89 S5 30.15S TC 14  
FLORA* PTCLDY 54 54 100 SE6 30.13F TC 12  
FAIRFIELD* PTCLDY 61 55 81 SE6 30.13S TC 16  
HARRISBURG* CLEAR 61 55 81 CALM 30.15S TC 16  
ROBINSON* MOCLDY 57 55 94 S7 30.14S TC 14  

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

 
 
 
 
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