779  
ASUS43 KLOT 302007  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 PM CDT WED SEP 30 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.
 
 
ILZ001-002-007-009-015-016-024-302100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLOUDY 66 64 93 SW5 29.83S TC 19  
STERLING* CLOUDY 65 65 100 CALM 29.85F FOG TC 18  
SAVANNA* DRIZZLE 65 65 98 S6 29.84S TC 18  

 
 
ILZ003-004-008-010-011-017-018-302100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD LGT RAIN 64 63 96 S12 29.87F FOG TC 18  
FREEPORT* CLOUDY 65 64 94 SW6 29.86F TC 19  
ROCHELLE* DRIZZLE 64 64 100 S8 29.87S TC 18  
DE KALB* CLOUDY 64 64 100 S12 29.88S TC 18  

 
 
ILZ005-006-012>014-019>023-302100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE LGT RAIN 64 62 93 S10 29.86F TC 18  
CHICAGO-MIDWAY LGT RAIN 64 62 93 S12G18 29.88F TC 18  
AURORA LGT RAIN 63 63 100 S6 29.88F FOG TC 17  
JOLIET* LGT RAIN 65 65 100 S12 29.90F TC 18  
WAUKEGAN CLOUDY 64 62 93 SW13 29.85F TC 18  
DUPAGE AIRPORT LGT RAIN 63 62 97 S12 29.87F TC 17  
KANKAKEE* RAIN 64 62 94 S5 29.94S TC 18  
WHEELING CLOUDY 65 63 93 SW9 29.88F TC 18  
LANSING* LGT RAIN 63 62 95 S8 29.91F TC 17  
NORTHERLY ISL* N/A 63 60 90 SW8 N/A TC 17  

 
 
LMZ740>746-302100-  
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 65 65 170/ 14/ 19 1012.7R 2/ 4  
WAUKEGAN HARBOR 65 64 210/ 12/ 17 1011.8F 2/ 3  
WILMETTE BUOY 63 180/ 14/ 17 1013.4F 2/ 4  
CHICAGO BUOY 64 64 220/ 10/ 14 1011.0F 2/ 3  
HARRISON CRIB 64 200/ 14/ 15 N/A  
NORTHERLY ISL 62 190/ 8/ 15 N/A  
CALUMET HARBOR 63 190/ 8/ 11 1012.3F  
MICHIGAN CITY 63 160/ 12/ 14 1011.9F  
MICH CITY BUOY 63 63 170/ 14/ 17 N/A 1/ 2  
ST. JOSEPH BUOY 63 61 180/ 14/ 16 1013.7F 2/ 2  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-302100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
QUINCY PTSUNNY 78 61 55 E3 29.85F HX 80 TC 26  
GALESBURG* DRIZZLE 65 64 97 SE7 29.87F TC 19  
MACOMB* CLOUDY 71 67 87 SE7 29.88F TC 22  
JACKSONVILLE* PTSUNNY 82 62 49 NE3 29.86F HX 83 TC 28  
PITTSFIELD* PTSUNNY 85 62 45 NE7 29.86F HX 86 TC 30  

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-302100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PONTIAC LGT RAIN 64 64 100 SE5 29.91F TC 18  
BLOOMINGTON LGT RAIN 66 62 87 SE7 29.92F TC 19  
DECATUR CLOUDY 84 59 42 NW6 29.89F HX 84 TC 29  
PEORIA LGT RAIN 67 62 84 SE5 29.88F TC 19  
LACON* LGT RAIN 64 60 86 SE8 29.88F TC 18  
SPRINGFIELD CLOUDY 78 60 53 NE8 29.88F TC 26  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-302100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHAMPAIGN CLOUDY 75 58 55 NE6 29.92F TC 24  
RANTOUL* CLOUDY 72 58 62 CALM 29.93F TC 22  
MATTOON PTSUNNY 87 56 34 S8G22 29.90F HX 85 TC 31  
PARIS* PTSUNNY 83 53 34 S10 29.93F HX 82 TC 29  

 
 
ILZ079-100>102-302100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 91 59 33 S13 29.87F HX 90 TC 33  
CAHOKIA* MOSUNNY 94 60 32 SW8 29.85F HX 94 TC 34  
SPARTA* MOSUNNY 92 57 30 S13 29.90F HX 90 TC 33  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE NOT AVBL  
CAIRO* MOSUNNY 93 60 33 CALM 29.92F HX 92 TC 34  
EFFINGHAM* MOSUNNY 90 53 29 S5 29.91F HX 87 TC 32  
MT. VERNON MOSUNNY 92 58 31 SW12 29.91F HX 91 TC 33  
CENTRALIA* MOSUNNY 92 55 27 S10G18 29.90F HX 90 TC 34  
SALEM* MOSUNNY 94 58 30 MISG 29.90S HX 92 TC 34  
METROPOLIS* MOSUNNY 92 56 29 S7 29.94F HX 90 TC 33  

 
 
ILZ067-068-072-073-078-083-087-091-302100-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
LAWRENCEVILLE SUNNY 88 55 32 S8G21 29.93F HX 86 TC 31  
FLORA* SUNNY 91 57 31 SW13 29.91F HX 90 TC 33  
FAIRFIELD* SUNNY 91 52 26 SW13 29.92F HX 89 TC 33  
HARRISBURG* MOSUNNY 91 56 31 SW10 29.93F HX 89 TC 33  
ROBINSON* MOSUNNY 90 57 33 S15 29.92F HX 88 TC 32  

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

 
 
 
 
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