362
ASUS43 KLOT 190406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT THU JUN 18 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.
ILZ001-002-007-009-015-016-024-190500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 59 81 W6 29.89R TC 18
STERLING* CLEAR 61 58 90 W5 29.90R TC 16
SAVANNA* MOCLDY 59 57 93 CALM 29.89S TC 15
ILZ003-004-008-010-011-017-018-190500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 61 53 75 W6 29.89R TC 16
FREEPORT* CLEAR 60 56 89 W6 29.90S TC 15
ROCHELLE* CLEAR 59 54 82 NW5 29.89S TC 15
DE KALB* PTCLDY 63 53 70 W8 29.89R TC 17
PERU* PTCLDY 63 57 82 W3 29.89R TC 17
ILZ005-006-012>014-019>023-190500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 53 65 SW5 29.85R TC 18
CHICAGO-MIDWAY PTCLDY 65 54 67 W5 29.85S TC 18
AURORA CLEAR 57 57 100 CALM 29.86S TC 14
JOLIET* CLEAR 59 59 97 CALM 29.87S TC 15
WAUKEGAN CLEAR 59 55 87 SW5 29.84R TC 15
DUPAGE AIRPORT PTCLDY 62 55 77 SW3 29.86R TC 17
KANKAKEE* CLEAR 62 55 78 SW3 29.89S TC 17
WHEELING PTCLDY 65 53 65 W5 29.86R TC 18
ROMEOVILLE* CLEAR 64 57 77 W5 29.87S TC 18
LANSING* CLEAR 61 56 85 CALM 29.87S TC 16
NORTHERLY ISL* N/A 65 52 62 SW1 N/A TC 18
LMZ740>746-190500-
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 58 50 1001.7F 1/ 4
WAUKEGAN HARBOR 60 51 240/ 4/ 6 1011.4 1
WILMETTE BUOY 60 210/ 4/ 4 1012.3R 1
CHICAGO BUOY 63 60 200/ 2/ 4 1009.7 1
HARRISON CRIB 69 240/ 4/ 4 N/A
NORTHERLY ISL 62 CALM / 5 N/A
CALUMET HARBOR 65 230/ 3/ 3 1011.1
BURNS HARBOR 190/ 3/ 4 1011.9R
MICHIGAN CITY 66 190/ 7/ 8 1009.7R
MICH CITY BUOY 65 64 200/ 6/ 6 989.6R 1/ 5
ST. JOSEPH BUOY 65 65 240/ 6/ 8 1011.5R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-190500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY N/A 64 60 87 CALM 29.93R TC 18
GALESBURG* PTCLDY 62 56 82 CALM 29.93R TC 17
MACOMB* PTCLDY 62 61 97 CALM 29.94R TC 16
JACKSONVILLE* PTCLDY 62 62 100 SW3 29.93R TC 17
PITTSFIELD* PTCLDY 63 62 99 CALM 29.95R TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-190500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 62 60 93 MISG 29.89S TC 17
BLOOMINGTON PTCLDY 62 58 86 CALM 29.92R TC 17
DECATUR PTCLDY 64 60 87 SW3 29.91R TC 18
PEORIA PTCLDY 62 58 86 CALM 29.91R TC 17
LACON* PTCLDY 60 56 86 CALM 29.89S TC 16
SPRINGFIELD PTCLDY 61 60 97 CALM 29.92R TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 62 60 93 W3 29.90R TC 17
DANVILLE* PTCLDY 62 60 91 CALM 29.90S TC 17
MATTOON PTCLDY 65 60 84 W5 29.90R TC 18
PARIS* PTCLDY 61 60 97 CALM 29.90R TC 16
ILZ079-100>102-190500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 65 62 90 W3 29.93S TC 19
CAHOKIA* PTCLDY 65 59 81 W5 29.92R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 66 59 78 N5 29.91R TC 19
CAIRO* PTCLDY 74 63 68 N6 29.90S TC 23
EFFINGHAM* PTCLDY 64 64 100 CALM 29.93R TC 18
MARION PTCLDY 68 57 66 CALM 29.92S TC 20
MT. VERNON PTCLDY 63 59 87 SW3 29.92S TC 17
CENTRALIA* PTCLDY 65 60 83 CALM 29.92S TC 19
SALEM* PTCLDY 65 63 90 MISG 29.92R TC 19
METROPOLIS* MOCLDY 70 64 82 N3 29.91R TC 21
ILZ067-068-072-073-078-083-087-091-190500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 66 62 87 NW7 29.89S TC 19
FLORA* PTCLDY 66 63 88 NW6 29.91S TC 19
FAIRFIELD* PTCLDY 63 59 86 CALM 29.91S TC 17
HARRISBURG* MOCLDY 65 60 82 NW3 29.92R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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