948
ASUS43 KLOT 190210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-190300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 58 72 W3 29.86R TC 19
STERLING* CLEAR 66 58 75 NW9 29.88R TC 19
SAVANNA* LGT RAIN 61 56 85 CALM 29.87R TC 16
ILZ003-004-008-010-011-017-018-190300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 67 54 63 W5 29.85R TC 19
FREEPORT* CLOUDY 65 55 71 W9 29.88R TC 18
ROCHELLE* CLEAR 64 55 73 W5 29.86R TC 18
DE KALB* CLEAR 64 55 71 W6 29.86R TC 18
PERU* CLEAR 66 59 77 CALM 29.86R TC 19
ILZ005-006-012>014-019>023-190300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 69 52 54 W3 29.82R TC 21
CHICAGO-MIDWAY PTCLDY 69 52 54 W6 29.82R TC 21
AURORA CLEAR 62 58 86 W5 29.84R TC 17
JOLIET* CLEAR 65 59 82 CALM 29.84R TC 18
WAUKEGAN CLEAR 64 54 69 W5 29.81R TC 18
DUPAGE AIRPORT CLEAR 66 55 67 W3 29.83R TC 19
KANKAKEE* CLEAR 67 55 64 CALM 29.86R TC 19
WHEELING PTCLDY 69 53 56 W3 29.83R TC 21
ROMEOVILLE* CLEAR 68 55 64 W5 29.85R TC 20
LANSING* CLEAR 66 54 65 CALM 29.83S TC 19
NORTHERLY ISL* N/A 62 52 69 S5 N/A TC 17
LMZ740>746-190300-
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 61 50 1004.8F 1
WAUKEGAN HARBOR 62 51 260/ 4/ 4 1010.8 1
WILMETTE BUOY 60 180/ 6/ 10 1011.6S 1
CHICAGO BUOY 61 60 200/ 2/ 4 1008.8 1/ 4
HARRISON CRIB 63 180/ 6/ 6 N/A
NORTHERLY ISL 62 160/ 5/ 5 N/A
CALUMET HARBOR 65 100/ 2/ 3 1010.0
BURNS HARBOR 190/ 2/ 2 1010.5S
MICHIGAN CITY 68 210/ 3/ 3 1008.5R
MICH CITY BUOY 66 64 200/ 4/ 4 988.6R 1/ 5
ST. JOSEPH BUOY 65 65 210/ 4/ 6 1010.6R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-190300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 60 70 CALM 29.88S TC 21
GALESBURG* PTCLDY 67 58 74 CALM 29.89R TC 19
MACOMB* PTCLDY 65 63 93 CALM 29.90R TC 18
JACKSONVILLE* PTCLDY 68 62 82 CALM 29.88S TC 20
PITTSFIELD* PTCLDY 68 63 84 CALM 29.90R TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-190300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 65 59 82 MISG 29.86R TC 18
BLOOMINGTON CLEAR 67 57 70 NW3 29.89R TC 19
DECATUR PTCLDY 68 59 73 NW3 29.88R TC 20
PEORIA PTCLDY 68 57 68 CALM 29.87R TC 20
LACON* CLEAR 64 56 74 CALM 29.85R TC 18
SPRINGFIELD PTCLDY 67 60 78 W3 29.87R TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 65 60 84 NW5 29.88R TC 18
DANVILLE* PTCLDY 67 59 75 NW5 29.87R TC 19
MATTOON PTCLDY 65 61 87 W5 29.87R TC 18
PARIS* PTCLDY 65 63 93 CALM 29.87R TC 19
ILZ079-100>102-190300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 68 63 83 W6 29.90R TC 20
BELLEVILLE MOCLDY 69 62 78 CALM 29.87R TC 21
CAHOKIA* MOCLDY 69 59 70 W5 29.89R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 70 60 70 N6 29.88R TC 21
CAIRO* CLEAR 74 67 78 N5 29.86R TC 24
EFFINGHAM* PTCLDY 65 65 99 SW3 29.90R TC 19
MARION CLEAR 69 59 69 CALM 29.89R TC 21
MT. VERNON PTCLDY 63 58 83 CALM 29.89R TC 17
CENTRALIA* PTCLDY 69 59 69 CALM 29.89R TC 21
SALEM* PTCLDY 69 64 83 MISG 29.89R TC 20
METROPOLIS* CLEAR 74 69 86 CALM 29.86R TC 23
ILZ067-068-072-073-078-083-087-091-190300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 67 62 84 W3 29.86R TC 19
FLORA* PTCLDY 68 63 83 NW7 29.88S TC 20
FAIRFIELD* PTCLDY 65 58 78 CALM 29.88S TC 18
HARRISBURG* CLEAR 70 60 72 N6 29.88R TC 21
ROBINSON* PTCLDY 66 64 94 SW3 29.86R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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