173
ASUS43 KLOT 182010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-182100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 75 56 51 NW10 29.82F TC 24
STERLING* MOSUNNY 74 56 53 W10 29.83S TC 23
ILZ003-004-008-010-011-017-018-182100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 71 54 54 W9 29.82R TC 22
ILZ005-006-012>014-019>023-182100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 72 51 47 W8 29.78R TC 22
CHICAGO-MIDWAY PTSUNNY 71 51 49 W10G18 29.79R TC 22
AURORA CLOUDY 70 55 59 NW10 29.80R TC 21
WAUKEGAN PTSUNNY 71 51 49 W7 29.77R TC 22
DUPAGE AIRPORT PTSUNNY 71 53 52 W8 29.79R TC 22
WHEELING PTSUNNY 73 51 46 NW8 29.80R TC 23
ROMEOVILLE* PTSUNNY 73 55 53 W12G20 29.81R TC 23
NORTHERLY ISL* N/A 64 55 72 SE3 N/A TC 18
LMZ740>746-182100-
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 64 50 1010.3R 1/ 2
WAUKEGAN HARBOR 65 47 280/ 8/ 14 1009.7 1
WILMETTE BUOY 65 100/ 4/ 4 1011.2R 1/ 3
CHICAGO BUOY 62 60 140/ 4/ 6 1008.0 1
HARRISON CRIB 64 90/ 5/ 5 N/A
NORTHERLY ISL 64 CALM / 11 N/A
CALUMET HARBOR 63 70/ 6/ 8 1009.0
BURNS HARBOR 20/ 2/ 2 1010.2R
MICHIGAN CITY 67 330/ 3/ 4 1008.2R
MICH CITY BUOY 63 62 10/ 2/ 4 988.2R 2/ 4
ST. JOSEPH BUOY 62 65 260/ 4/ 6 1010.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-182100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 74 57 55 NW8 29.85F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-182100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 73 58 59 W9 29.84S TC 23
DECATUR PTSUNNY 73 59 61 NW10 29.84F TC 23
PEORIA PTSUNNY 72 57 59 NW8 29.83S TC 22
SPRINGFIELD PTSUNNY 73 60 63 NW10 29.84F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 74 62 66 W12 29.83S TC 23
MATTOON PTSUNNY 72 59 63 W9 29.83F TC 22
ILZ079-100>102-182100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 68 61 77 W9 29.86F TC 20
BELLEVILLE CLOUDY 69 63 80 N7 29.83S TC 21
CAHOKIA* PTSUNNY 70 60 70 NW6 29.85R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 85 55 35 N8 29.81F HX 83 TC 29
MARION PTSUNNY 84 59 42 N15 29.82F HX 84 TC 29
MT. VERNON PTSUNNY 79 59 50 N8 29.83F HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-182100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 69 62 78 NW12 29.85R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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