933
ASUS43 KLOT 182310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 75 54 47 W12 29.82S TC 24
STERLING* SUNNY 75 55 49 W9 29.83F TC 24
SAVANNA* MOSUNNY 74 53 47 NW9 29.83F TC 23
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 51 46 NW13 29.83S TC 23
FREEPORT* MOSUNNY 73 57 57 W8 29.84F TC 23
DE KALB* MOSUNNY 71 54 53 NW10 29.83F TC 22
PERU* MOSUNNY 73 55 53 NW8 29.83S TC 23
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 73 51 46 NW9G16 29.80R TC 23
CHICAGO-MIDWAY PTSUNNY 71 52 50 W8 29.80S TC 22
AURORA MOSUNNY 73 55 53 W13 29.82S TC 23
JOLIET* PTSUNNY 74 56 52 W3 29.82F TC 23
WAUKEGAN MOSUNNY 71 51 49 NW7G20 29.79S TC 22
DUPAGE AIRPORT MOSUNNY 72 53 51 W9 29.81S TC 22
KANKAKEE* MOSUNNY 73 57 57 NW8 29.83S TC 23
WHEELING SUNNY 72 50 45 NW10 29.82R TC 22
ROMEOVILLE* PTSUNNY 73 55 53 W13G20 29.82S TC 23
LANSING* CLOUDY 71 53 52 W6 29.82S TC 22
NORTHERLY ISL* N/A 66 55 67 SE5 N/A TC 19
LMZ740>746-190000-
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 65 50 1012.2R 1
WAUKEGAN HARBOR 67 52 280/ 8/ 14 1010.4 1
WILMETTE BUOY 62 170/ 8/ 12 1012.0R 1/ 4
CHICAGO BUOY 62 59 160/ 4/ 6 1008.4 1/ 5
HARRISON CRIB 65 140/ 9/ 10 N/A
NORTHERLY ISL 68 130/ 5/ 6 N/A
CALUMET HARBOR 66 90/ 5/ 6 1009.7
BURNS HARBOR 60/ 3/ 3 1010.2F
MICHIGAN CITY 67 20/ 3/ 3 1008.6F
MICH CITY BUOY 66 63 110/ 2/ 4 988.4F 2/ 5
ST. JOSEPH BUOY 65 66 190/ 4/ 6 1010.4F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 75 58 55 NW9 29.86S TC 24
GALESBURG* MOSUNNY 74 56 54 NW6 29.85F TC 23
MACOMB* SUNNY 74 59 58 NW8 29.87S TC 24
JACKSONVILLE* MOSUNNY 75 59 58 W12G20 29.84S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 73 58 59 NW14 29.84S TC 23
DECATUR MOSUNNY 74 59 59 NW8 29.83S TC 23
PEORIA MOSUNNY 75 57 53 NW7 29.83F TC 24
SPRINGFIELD MOSUNNY 74 59 59 NW8 29.83S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 61 63 NW14 29.82S TC 23
DANVILLE* PTSUNNY 73 59 61 NW8 29.82S TC 23
MATTOON MOSUNNY 73 60 63 NW9 29.82S TC 23
PARIS* PTSUNNY 74 59 59 W9 29.82S TC 24
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 72 61 68 W8 29.86R TC 22
BELLEVILLE PTSUNNY 74 59 60 NW8 29.84R TC 23
CAHOKIA* PTSUNNY 73 55 53 NW10 29.85S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 80 61 52 N10 29.81R HX 81 TC 27
CAIRO* MOSUNNY 84 67 57 NW5 29.80R HX 86 TC 29
EFFINGHAM* MOSUNNY 71 65 79 SW5 29.84F TC 22
MARION PTSUNNY 81 59 47 N14 29.80F HX 81 TC 27
MT. VERNON MOSUNNY 74 60 61 CALM 29.84S TC 23
CENTRALIA* MOSUNNY 75 57 53 N8 29.85S TC 24
SALEM* MOSUNNY 72 61 67 MISG 29.85S TC 22
METROPOLIS* MOSUNNY 83 64 52 NW6 29.80S HX 84 TC 28
ILZ067-068-072-073-078-083-087-091-190000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 73 61 65 NW7 29.83R TC 23
FLORA* MOSUNNY 72 59 64 NW6 29.85S TC 22
FAIRFIELD* MOSUNNY 72 57 59 NW5 29.83F TC 22
HARRISBURG* PTSUNNY 80 63 56 N9 29.80S HX 81 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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