899
ASUS43 KLOT 181557
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 86 76 71 S6 30.01F HX 96 TC 30
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 75 82 SE10 30.06F HX 87 TC 27
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 69 76 SE9 30.09S TC 25
CHICAGO-MIDWAY PTSUNNY 79 70 73 S8 30.09S HX 81 TC 26
AURORA MOSUNNY 81 73 76 SE12 30.08F HX 86 TC 27
WAUKEGAN PTSUNNY 78 68 71 SE15 30.09S HX 80 TC 26
DUPAGE AIRPORT MOSUNNY 79 71 76 S12 30.08F HX 82 TC 26
WHEELING MOSUNNY 79 70 74 S9 30.10S HX 82 TC 26
ROMEOVILLE* LGT RAIN 77 75 94 SE12 30.10S TC 25
NORTHERLY ISL* N/A 72 67 84 SE7 N/A TC 22
LMZ740>746-181700-
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 70 76 130/ 14/ 17 1019.8F
WINTHROP HARBOR 73 75 160/ 14/ 19 N/A 4/ 5
WAUKEGAN HARBOR 74 75 150/ 14/ 17 N/A 4/ 5
WILMETTE BUOY 73 160/ 14/ 19 1021.3R 3/ 5
NORTHERLY ISL 72 140/ 5/ 10 N/A
CALUMET HARBOR 74 150/ 5/ 7 1018.3
BURNS HARBOR 76 160/ 5/ 10 1020.0R
MICHIGAN CITY 69 100/ 14/ 16 1018.8R
MICH CITY BUOY 71 76 130/ 12/ 19 1018.5R 2/ 7
ST. JOSEPH BUOY 71 75 100/ 6/ 12 1021.3R 1/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 88 76 67 S12 30.07S HX 99 TC 31
TAYLORVILLE SUNNY 84 73 70 S9 30.10S HX 91 TC 29
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 75 66 S9 30.09R HX 97 TC 31
CAHOKIA* SUNNY 90 76 63 S7 30.07S HX 101 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 89 73 59 SW5 30.09S HX 97 TC 32
MARION SUNNY 88 73 62 S6 30.10R HX 96 TC 31
ILZ067-068-072-073-078-083-087-091-181700-
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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