173
ASUS43 KLOT 190308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-190400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 64 58 80 W3 29.88R TC 18
STERLING* CLEAR 64 57 78 NW3 29.89R TC 18
SAVANNA* MOCLDY 61 58 90 CALM 29.89R TC 16
ILZ003-004-008-010-011-017-018-190400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 54 67 W10 29.88R TC 18
FREEPORT* PTCLDY 60 57 91 W3 29.90R TC 16
ROCHELLE* PTCLDY 64 52 65 W7 29.88R TC 18
DE KALB* PTCLDY 64 55 72 W5 29.88R TC 18
ILZ005-006-012>014-019>023-190400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 67 53 61 W3 29.84R TC 19
CHICAGO-MIDWAY PTCLDY 67 53 61 W6 29.85R TC 19
AURORA CLEAR 60 57 89 W5 29.86R TC 16
JOLIET* CLEAR 62 60 93 CALM 29.87R TC 17
WAUKEGAN CLEAR 60 54 80 SW6 29.83R TC 16
DUPAGE AIRPORT CLEAR 64 55 72 W5 29.85R TC 18
KANKAKEE* CLEAR 64 55 72 SW5 29.88R TC 18
WHEELING CLEAR 67 53 61 W5 29.85R TC 19
ROMEOVILLE* CLEAR 66 55 68 W5 29.87R TC 19
LANSING* CLEAR 63 56 78 CALM 29.86R TC 17
NORTHERLY ISL* N/A 62 54 74 SW1 N/A TC 17
LMZ740>746-190400-
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 59 50 1002.0F 1
WAUKEGAN HARBOR 59 52 230/ 6/ 6 1011.2 1
WILMETTE BUOY 60 190/ 2/ 4 1012.1R 1
CHICAGO BUOY 62 60 160/ 4/ 6 1009.7 1
HARRISON CRIB 66 180/ 9/ 10 N/A
NORTHERLY ISL 63 CALM / 6 N/A
CALUMET HARBOR 64 210/ 1/ 2 1010.5
BURNS HARBOR 190/ 3/ 3 1011.2R
MICHIGAN CITY 67 160/ 3/ 4 1009.2R
MICH CITY BUOY 65 64 210/ 4/ 6 989.3R 1/ 5
ST. JOSEPH BUOY 65 65 220/ 4/ 6 1011.0R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-190400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 67 59 75 CALM 29.90R TC 19
GALESBURG* PTCLDY 62 58 88 CALM 29.90R TC 17
MACOMB* PTCLDY 63 62 97 CALM 29.92R TC 17
JACKSONVILLE* PTCLDY 64 61 88 CALM 29.90R TC 18
PITTSFIELD* PTCLDY 66 63 90 CALM 29.92R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-190400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 63 59 87 MISG 29.89R TC 17
BLOOMINGTON CLEAR 66 56 70 NW3 29.91R TC 19
DECATUR PTCLDY 69 58 67 CALM 29.90R TC 21
PEORIA PTCLDY 63 58 83 CALM 29.89R TC 17
LACON* CLEAR 62 56 83 CALM 29.88R TC 17
SPRINGFIELD PTCLDY 64 61 90 CALM 29.90R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 65 61 87 NW3 29.89R TC 18
DANVILLE* PTCLDY 64 59 83 CALM 29.89R TC 18
MATTOON PTCLDY 65 60 84 W5 29.88R TC 18
PARIS* PTCLDY 63 62 97 CALM 29.88R TC 17
ILZ079-100>102-190400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 63 88 W7 29.92R TC 19
BELLEVILLE MOCLDY 67 60 77 CALM 29.90R TC 20
CAHOKIA* MOCLDY 68 58 70 SW3 29.91R TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 69 60 73 NW7 29.90R TC 21
CAIRO* CLEAR 75 65 70 N8 29.88R TC 24
EFFINGHAM* PTCLDY 64 64 99 SW3 29.92R TC 18
MARION CLOUDY 70 58 65 N3 29.91R TC 21
MT. VERNON MOCLDY 63 59 87 CALM 29.92R TC 17
CENTRALIA* MOCLDY 69 60 75 CALM 29.92R TC 20
SALEM* MOCLDY 67 63 86 MISG 29.91R TC 20
METROPOLIS* PTCLDY 72 65 77 N6 29.89R TC 22
ILZ067-068-072-073-078-083-087-091-190400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 67 62 84 W6 29.89R TC 19
FLORA* PTCLDY 66 63 88 NW6 29.91R TC 19
FAIRFIELD* PTCLDY 63 59 87 CALM 29.90R TC 17
HARRISBURG* MOCLDY 67 59 73 N5 29.90R TC 20
ROBINSON* PTCLDY 64 64 100 MISG 29.88R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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