836
ASUS43 KLOT 190056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-190200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 64 81 SE3 29.81F TC 21
ILZ003-004-008-010-011-017-018-190200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 60 61 S10 29.87R TC 23
PERU* CLOUDY 72 64 78 SE8 29.88F TC 22
ILZ005-006-012>014-019>023-190200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 63 73 S12G22 29.87R TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 70 65 84 S8 29.89R TC 21
WAUKEGAN MOCLDY 73 64 73 SW14G25 29.85R TC 23
DUPAGE AIRPORT CLOUDY 70 65 84 S12 29.89R TC 21
WHEELING CLOUDY 73 64 73 SW10G21 29.88R TC 23
MORRIS* CLOUDY 70 64 83 S12 29.91R TC 21
ROMEOVILLE* CLEAR 70 66 88 S12 29.90R TC 21
NORTHERLY ISL* N/A 71 61 70 S10 N/A TC 22
LMZ740>746-190200-
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 1013.9F 1/ 3
WAUKEGAN HARBOR 66 53 210/ 10/ 14 1011.6R 1/ 3
WILMETTE BUOY 64 210/ 10/ 14 1012.7R 1/ 3
CHICAGO BUOY 65 55 210/ 12/ 17 1010.4R 2/ 3
HARRISON CRIB 69 200/ 14/ 18 N/A
NORTHERLY ISL 72 190/ 15/ 22 N/A
CALUMET HARBOR 180/ 12/ 18 1011.9
BURNS HARBOR 69 200/ 9/ 13 1013.2R
MICHIGAN CITY 71 180/ 13/ 15 1010.6S
ST. JOSEPH BUOY 62 190/ 10/ 14 1013.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-190200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 67 61 81 S10 29.92R TC 19
TAYLORVILLE CLOUDY 64 63 94 S23G37 29.86F TC 18
ILZ033-039-045-046-055>057-062-063-190200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 68 63 83 W8 29.93R TC 20
CAHOKIA* MOCLDY 68 63 83 SW3 29.92F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 68 64 88 E9 30.06R TC 20
ILZ067-068-072-073-078-083-087-091-190200-
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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