384
ASUS43 KLOT 181103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM 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.
ILZ001-002-007-009-015-016-024-181200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 60 55 83 W10 29.65R TC 16
STERLING* CLEAR 61 58 90 W12 29.62R TC 16
SAVANNA* PTCLDY 61 56 83 NW13G20 29.60R TC 16
ILZ003-004-008-010-011-017-018-181200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 60 55 83 NW16 29.58R TC 16
FREEPORT* PTCLDY 61 58 91 NW15G22 29.59R TC 16
DE KALB* PTCLDY 60 56 89 W16G23 29.57R TC 15
PERU* CLEAR 63 55 77 W13 29.61R TC 17
ILZ005-006-012>014-019>023-181200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 63 56 78 W12G24 29.51R TC 17
CHICAGO-MIDWAY PTCLDY 64 56 75 W16G24 29.53R TC 18
AURORA PTCLDY 60 56 86 W15 29.56R TC 16
JOLIET* CLEAR 64 58 82 W7 29.57R TC 18
WAUKEGAN MOCLDY 61 57 87 W12G25 29.49R TC 16
DUPAGE AIRPORT CLEAR 61 56 83 W17G25 29.54R TC 16
KANKAKEE* CLEAR 62 57 82 W12 29.59R TC 17
WHEELING PTCLDY 62 57 83 NW16G26 29.52R TC 17
ROMEOVILLE* CLEAR 64 59 82 W15G25 29.56R TC 18
LANSING* CLEAR 63 56 77 W12G18 29.54R TC 17
NORTHERLY ISL* N/A 64 55 72 W12 N/A TC 18
LMZ740>746-181200-
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 49 999.1F 1/ 2
WAUKEGAN HARBOR 60 49 280/ 14/ 19 1001.3R 1
WILMETTE BUOY 60 330/ 14/ 17 1000.4R 1/ 3
CHICAGO BUOY 65 58 270/ 14/ 23 998.4R 1/ 2
HARRISON CRIB 65 280/ 19/ 20 N/A
NORTHERLY ISL 65 280/ 11/ 15 N/A
CALUMET HARBOR 65 250/ 6/ 12 999.4
BURNS HARBOR 270/ 7/ 10 1000.3R
MICHIGAN CITY 65 250/ 19/ 21 997.4R
MICH CITY BUOY 63 61 270/ 14/ 16 977.9R 2/ 3
ST. JOSEPH BUOY 63 64 270/ 14/ 17 999.7R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 63 53 70 NW6 29.71R TC 17
GALESBURG* CLEAR 60 54 83 W9 29.70R TC 15
MACOMB* CLEAR 61 55 82 W10 29.72R TC 16
JACKSONVILLE* MOCLDY 64 56 76 W6 29.70R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-181200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 62 56 80 W17G24 29.66R TC 17
DECATUR PTCLDY 64 57 78 W10 29.67R TC 18
PEORIA CLEAR 62 54 74 W9 29.66R TC 17
SPRINGFIELD PTCLDY 63 56 78 W9 29.69R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 62 59 90 W14 29.65R TC 17
DANVILLE* CLEAR 66 60 82 W13 29.62R TC 19
MATTOON CLEAR 67 61 81 W9 29.66R TC 19
PARIS* CLEAR 66 62 87 W13 29.64R TC 19
ILZ079-100>102-181200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 73 71 94 NW7 29.70R TC 23
CAHOKIA* MOCLDY 72 68 87 W7 29.72R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 78 74 87 W6 29.71R HX 81 TC 26
CAIRO* CLOUDY 80 75 86 SW13 29.74R HX 84 TC 27
MARION PTCLDY 77 77 98 W3 29.72R TC 25
CENTRALIA* MOCLDY 73 69 89 CALM 29.71R TC 23
SALEM* PTCLDY 71 69 93 MISG 29.71R TC 22
METROPOLIS* CLOUDY 80 73 78 SW10G20 29.73R HX 83 TC 27
ILZ067-068-072-073-078-083-087-091-181200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 72 69 90 W7 N/A TC 22
FLORA* PTCLDY 72 70 94 W7 29.69R TC 22
FAIRFIELD* PTCLDY 73 69 86 CALM 29.69R TC 23
HARRISBURG* CLOUDY 77 75 94 W5 29.70R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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