955
ASUS43 KLOT 182212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-182300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 55 48 W10 29.82S TC 24
STERLING* MOSUNNY 75 54 47 NW12 29.84R TC 24
SAVANNA* PTSUNNY 73 52 47 W5 29.83R TC 23
ILZ003-004-008-010-011-017-018-182300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 52 47 W13 29.83R TC 23
FREEPORT* PTSUNNY 73 56 55 NW8 29.84S TC 23
ROCHELLE* MOSUNNY 72 51 48 NW10G16 29.84R TC 22
PERU* CLOUDY 73 57 56 W8 29.83S TC 23
ILZ005-006-012>014-019>023-182300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 51 49 NW10 29.79R TC 22
CHICAGO-MIDWAY PTSUNNY 73 52 47 NW9G17 29.80R TC 23
AURORA PTSUNNY 72 55 55 NW8 29.82R TC 22
JOLIET* CLOUDY 73 55 54 NW6 29.82R TC 23
WAUKEGAN MOSUNNY 70 51 51 W8 29.79R TC 21
DUPAGE AIRPORT PTSUNNY 71 54 54 NW10G17 29.81R TC 22
KANKAKEE* CLOUDY 72 56 58 W10 29.83S TC 22
WHEELING PTSUNNY 72 50 45 NW9 29.81R TC 22
ROMEOVILLE* PTSUNNY 72 55 56 W8G17 29.82R TC 22
LANSING* CLOUDY 71 52 50 W7 29.81S TC 22
NORTHERLY ISL* N/A 65 56 72 SE3 N/A TC 18
LMZ740>746-182300-
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 1011.0F 1
WAUKEGAN HARBOR 66 51 290/ 10/ 14 1010.1 1
WILMETTE BUOY 63 170/ 8/ 10 1011.7R 1/ 4
CHICAGO BUOY 62 60 160/ 6/ 8 1008.3 1/ 5
HARRISON CRIB 63 160/ 8/ 9 N/A
NORTHERLY ISL 65 160/ 3/ 7 N/A
CALUMET HARBOR 66 90/ 5/ 7 1009.5R
BURNS HARBOR 70/ 2/ 3 1010.5R
MICHIGAN CITY 65 40/ 1/ 1 1008.7R
MICH CITY BUOY 66 63 110/ 2/ 4 988.5R 2/ 4
ST. JOSEPH BUOY 63 65 190/ 4/ 4 1010.6R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-182300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 75 59 57 N8 29.86R TC 24
GALESBURG* PTSUNNY 74 58 55 NW9 29.86R TC 24
MACOMB* PTSUNNY 76 60 58 N9 29.87S TC 24
JACKSONVILLE* MOSUNNY 75 59 57 NW9 29.84S TC 24
PITTSFIELD* MOSUNNY 76 59 56 NW10 29.86S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 74 59 59 MISG 29.83S TC 24
BLOOMINGTON PTSUNNY 75 59 57 NW13 29.84S TC 24
DECATUR CLOUDY 74 59 59 N8 29.83S TC 23
PEORIA MOSUNNY 72 57 59 NW9 29.84R TC 22
LACON* PTSUNNY 73 54 50 NW10G16 29.83R TC 23
SPRINGFIELD SUNNY 76 59 55 NW10 29.83S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 61 68 W8 29.82S TC 22
MATTOON MOSUNNY 73 60 63 NW9 29.82S TC 23
PARIS* MOSUNNY 73 59 61 NW7 29.81F TC 23
ILZ079-100>102-182300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 59 64 W7 29.85S TC 22
CAHOKIA* PTSUNNY 73 59 61 N9 29.85R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 85 56 37 N5 29.80S HX 84 TC 29
EFFINGHAM* PTSUNNY 71 64 78 SW5 29.85S TC 22
MARION PTSUNNY 84 57 39 NW12 29.81R HX 83 TC 29
MT. VERNON MOSUNNY 75 58 55 VRB5 29.84R TC 24
SALEM* PTSUNNY 72 61 68 MISG 29.84S TC 22
METROPOLIS* MOSUNNY 84 65 51 NW5 29.80S HX 86 TC 29
ILZ067-068-072-073-078-083-087-091-182300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 60 68 NW9 29.82S TC 22
FAIRFIELD* MOSUNNY 73 56 55 NW7 29.84R TC 23
HARRISBURG* MOSUNNY 82 60 47 N5 29.81S HX 82 TC 28
ROBINSON* PTSUNNY 72 63 73 W8 29.82R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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