520
ASUS43 KLOT 210412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT SAT JUN 20 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.
ILZ001-002-007-009-015-016-024-210500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 63 58 83 CALM 29.94S TC 17
STERLING* MOCLDY 61 57 87 CALM 29.96S TC 16
SAVANNA* PTCLDY 63 59 87 CALM 29.95R TC 17
ILZ003-004-008-010-011-017-018-210500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 59 56 89 CALM 29.96S TC 15
FREEPORT* PTCLDY 60 59 96 CALM 29.97S TC 16
ROCHELLE* MOCLDY 60 56 88 CALM 29.96S TC 16
DE KALB* MOCLDY 65 55 67 W5 29.97S TC 19
PERU* MOCLDY 64 57 77 CALM 29.97R TC 18
ILZ005-006-012>014-019>023-210500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 67 53 61 SW3 29.94R TC 19
CHICAGO-MIDWAY MOCLDY 69 52 54 S5 29.94R TC 21
AURORA MOCLDY 60 57 89 CALM 29.95R TC 16
WAUKEGAN PTCLDY 57 54 89 CALM 29.94R TC 14
DUPAGE AIRPORT MOCLDY 63 56 78 CALM 29.94S TC 17
WHEELING PTCLDY 64 56 75 CALM 29.95R TC 18
ROMEOVILLE* MOCLDY 68 55 64 SW5 29.96S TC 20
LANSING* PTCLDY 64 55 74 CALM 29.96R TC 18
NORTHERLY ISL* N/A 64 53 67 CALM N/A TC 18
LMZ740>746-210500-
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 57 54 1013.2 0
WAUKEGAN HARBOR 59 57 240/ 2/ 2 1014.1 0
WILMETTE BUOY 62 190/ 6/ 6 1015.7R 0
CHICAGO BUOY 64 61 230/ 4/ 6 1012.9 1
HARRISON CRIB 67 180/ 9/ 10 N/A
NORTHERLY ISL 64 150/ 3/ 5 N/A
CALUMET HARBOR 68 150/ 3/ 3 1014.1
BURNS HARBOR 180/ 3/ 4 1014.6S
MICHIGAN CITY 67 140/ 5/ 5 1012.6R
MICH CITY BUOY 65 64 170/ 2/ 4 992.5S 0
ST. JOSEPH BUOY 65 66 CALM 1014.7R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-210500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 60 70 E6 29.95R TC 21
GALESBURG* CLOUDY 63 58 83 CALM 29.97S TC 17
MACOMB* CLOUDY 66 65 96 CALM 29.98S TC 19
JACKSONVILLE* PTCLDY 65 62 89 CALM 29.96S TC 19
PITTSFIELD* PTCLDY 65 64 96 CALM 29.97R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-210500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 62 61 96 MISG 29.98R TC 17
BLOOMINGTON MOCLDY 67 55 65 NE3 29.99R TC 19
DECATUR MOCLDY 69 58 67 CALM 29.98R TC 21
PEORIA MOCLDY 65 59 81 CALM 29.97R TC 18
LACON* MOCLDY 61 55 83 CALM 29.96S TC 16
SPRINGFIELD MOCLDY 68 62 81 CALM 29.97R TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 64 57 78 CALM 29.98R TC 18
DANVILLE* PTCLDY 64 56 74 CALM 29.98R TC 18
MATTOON MOCLDY 64 59 83 CALM 29.97R TC 18
ILZ079-100>102-210500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 69 61 75 NE3 29.96S TC 21
CAHOKIA* CLEAR 71 63 75 E3 29.94R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 72 66 81 CALM 29.94R TC 22
CAIRO* CLEAR 71 67 88 CALM 29.94S TC 22
EFFINGHAM* MOCLDY 67 65 96 CALM 29.98S TC 19
MT. VERNON CLOUDY 70 65 84 NE3 29.96R TC 21
CENTRALIA* CLOUDY 73 62 68 CALM 29.96R TC 23
SALEM* MOCLDY 71 67 87 MISG 29.96R TC 21
METROPOLIS* CLEAR 67 67 100 CALM 29.95R TC 20
ILZ067-068-072-073-078-083-087-091-210500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 70 64 81 N3 29.95S TC 21
FAIRFIELD* CLOUDY 72 64 74 CALM 29.96R TC 22
HARRISBURG* MOCLDY 70 66 88 CALM 29.95R TC 21
ROBINSON* CLOUDY 66 66 100 NW2 29.95R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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