588
ASUS43 KLOT 190256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT MON MAY 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.
ILZ001-002-007-009-015-016-024-190400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 63 81 S9 29.86R TC 21
ILZ003-004-008-010-011-017-018-190400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 63 81 S8 29.88R TC 21
PERU* PTCLDY 68 63 83 S12 29.90S TC 20
ILZ005-006-012>014-019>023-190400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 63 84 S10G22 29.89S TC 20
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 67 64 90 S13 29.88S TC 19
WAUKEGAN MOCLDY 70 64 81 SW13G23 29.85S TC 21
DUPAGE AIRPORT MOCLDY 67 63 87 S10 29.89R TC 19
WHEELING MOCLDY 69 64 84 S12 29.89S TC 21
MORRIS* MOCLDY 66 63 88 S7 29.90S TC 19
NORTHERLY ISL* N/A 68 62 81 S10 N/A TC 20
LMZ740>746-190400-
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 49 1010.0F 1/ 3
WAUKEGAN HARBOR 62 55 180/ 10/ 12 1012.2R 1/ 3
WILMETTE BUOY 64 190/ 12/ 16 1013.6R 1/ 3
CHICAGO BUOY 63 55 190/ 10/ 12 1011.8R 1/ 3
HARRISON CRIB 68 190/ 19/ 21 N/A
NORTHERLY ISL 69 190/ 10/ 17 N/A
CALUMET HARBOR 68 170/ 13/ 18 1013.2
BURNS HARBOR 68 190/ 9/ 13 1014.2R
MICHIGAN CITY 69 180/ 16/ 20 1012.4R
ST. JOSEPH BUOY 61 190/ 10/ 14 1014.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-190400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 65 60 84 S9 29.91R TC 18
TAYLORVILLE MOCLDY 64 61 88 S5 29.93R TC 18
ILZ033-039-045-046-055>057-062-063-190400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 66 62 87 SE12 29.96R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION PTCLDY 66 64 94 SE14 30.03F TC 19
ILZ067-068-072-073-078-083-087-091-190400-
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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