819
ASUS43 KLOT 180501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-180600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 68 57 68 W17G24 29.48S TC 20
STERLING* PTCLDY 65 61 87 W9 29.47R TC 18
SAVANNA* MOCLDY 67 59 74 W10G16 29.46R TC 20
ILZ003-004-008-010-011-017-018-180600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 60 84 SW7 29.45R TC 18
FREEPORT* PTCLDY 65 61 86 W9 29.46S TC 18
DE KALB* PTCLDY 65 60 82 W12G17 29.45F TC 19
ILZ005-006-012>014-019>023-180600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 70 61 73 SW13G24 29.41R TC 21
CHICAGO-MIDWAY PTCLDY 71 62 73 W17G29 29.42R TC 22
AURORA PTCLDY 67 62 84 SW10 29.44R TC 19
JOLIET* CLEAR 71 65 80 W10G17 29.46R TC 22
WAUKEGAN CLEAR 64 60 87 W12G21 29.38R TC 18
DUPAGE AIRPORT PTCLDY 68 61 78 W14 29.43R TC 20
KANKAKEE* CLEAR 68 66 95 W12 29.48R TC 20
WHEELING PTCLDY 68 61 78 W13G24 29.42R TC 20
LANSING* CLEAR 68 63 83 W14G22 29.43R TC 20
NORTHERLY ISL* N/A 70 61 73 W9 N/A TC 21
LMZ740>746-180600-
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 62 49 1001.5F 2/ 5
WAUKEGAN HARBOR 64 52 260/ 14/ 19 998.0R 1/ 4
WILMETTE BUOY 62 250/ 10/ 16 997.4R 1/ 4
CHICAGO BUOY 70 58 260/ 14/ 21 995.0R 1/ 3
HARRISON CRIB 71 270/ 23/ 26 N/A
NORTHERLY ISL 71 270/ 15 N/A
CALUMET HARBOR 70 230/ 7/ 18 996.0
BURNS HARBOR 260/ 10/ 12 996.6R
MICHIGAN CITY 69 240/ 22/ 25 993.9R
MICH CITY BUOY 66 62 250/ 16/ 19 974.4R 2/ 3
ST. JOSEPH BUOY 66 65 220/ 14/ 17 996.2S 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-180600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 59 75 W6 29.59R TC 19
GALESBURG* CLEAR 69 57 65 SW10 29.54S TC 20
MACOMB* CLEAR 65 62 89 CALM 29.57S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-180600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 69 64 84 W13 29.54R TC 21
DECATUR CLEAR 72 70 93 NW8 29.55R TC 22
PEORIA CLEAR 70 57 63 W10G21 29.52F TC 21
SPRINGFIELD CLEAR 69 67 93 SW5 29.55S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 69 69 100 W7 29.54R TC 21
DANVILLE* MOCLDY 70 69 96 SW7 29.54R TC 21
MATTOON PTCLDY 72 70 93 SW6 29.55R TC 22
PARIS* MOCLDY 70 70 98 W9 29.55R TC 21
ILZ079-100>102-180600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 83 73 71 SW12 29.55R THUNDER HX 89
CAHOKIA* TSTM 75 71 87 W9G33 29.58R FOG TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 82 73 74 SW17G24 29.60F HX 87 TC 28
CAIRO* CLOUDY 82 76 81 SW10G16 29.66S HX 90 TC 28
EFFINGHAM* LGT RAIN 74 74 98 SW9G17 29.57F TC 24
MARION MOCLDY 82 72 73 SW15 29.62F HX 86 TC 28
CENTRALIA* PTCLDY 81 70 69 SW17G23 29.57S HX 84 TC 27
SALEM* PTCLDY 81 72 73 MISG 29.55S HX 86 TC 27
ILZ067-068-072-073-078-083-087-091-180600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 79 72 79 W40G55 29.58R THUNDER HAZE
FLORA* PTCLDY 81 72 74 SW18G30 29.55R HX 84 TC 27
FAIRFIELD* MOCLDY 81 70 69 SW17 29.57F HX 85 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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