991
ASUS43 KLOT 181656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT MON AUG 18 2025
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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 76 65 W7 29.99F HX 100 TC 32
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 83 76 79 S10 30.03F HX 91 TC 28
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 80 72 76 SE14 30.06F HX 84 TC 27
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 84 75 74 S14 30.04F HX 92 TC 29
WAUKEGAN MOSUNNY 79 68 69 SE15 30.06F HX 81 TC 26
DUPAGE AIRPORT MOSUNNY 83 73 72 SE14 30.04F HX 89 TC 28
WHEELING MOSUNNY 82 72 71 S10 30.07F HX 87 TC 28
ROMEOVILLE* MOSUNNY 82 77 83 SE10 30.07F HX 91 TC 28
NORTHERLY ISL* N/A 76 70 82 E9 N/A TC 24
LMZ740>746-181800-
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)
S. MID LAKE BUOY 72 76 140/ 16/ 19 1019.3F
WINTHROP HARBOR 74 75 150/ 16/ 19 N/A 4/ 5
WAUKEGAN HARBOR 74 76 150/ 14/ 29 N/A 4/ 5
WILMETTE BUOY 74 160/ 14/ 17 1021.2F 4/ 5
NORTHERLY ISL 75 130/ 7/ 10 N/A
CALUMET HARBOR 78 130/ 5/ 8 1018.1
BURNS HARBOR 78 140/ 3/ 7 1020.0F
MICHIGAN CITY 70 60/ 11/ 12 1018.5F
MICH CITY BUOY 71 76 110/ 10/ 14 1018.6R 2/ 7
ST. JOSEPH BUOY 71 75 130/ 12/ 16 1021.3S 1/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 89 77 67 S12 30.05F HX 101 TC 32
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 75 62 SE10 30.07F HX 100 TC 32
CAHOKIA* SUNNY 92 77 61 S7 30.06F HX 105 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 91 71 51 CALM 30.08F HX 97 TC 33
MARION SUNNY 90 73 58 S6 30.09F HX 98 TC 32
ILZ067-068-072-073-078-083-087-091-181800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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