826
ASUS43 KLOT 190156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-190300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 64 84 SE8 29.83R TC 21
ILZ003-004-008-010-011-017-018-190300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* MOCLDY 70 64 83 SE9 29.87F TC 21
ILZ005-006-012>014-019>023-190300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 71 63 75 S15G22 29.89R TC 22
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 68 64 87 S10 29.88F TC 20
WAUKEGAN MOCLDY 71 64 78 SW14 29.85S TC 22
DUPAGE AIRPORT MOCLDY 68 64 87 S10 29.87F TC 20
WHEELING MOCLDY 71 64 78 S13 29.89R TC 22
MORRIS* CLOUDY 68 64 88 SE8 29.88F TC 20
NORTHERLY ISL* N/A 69 61 75 S16 N/A TC 21
LMZ740>746-190300-
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 1013.5R 1/ 3
WAUKEGAN HARBOR 67 54 220/ 12/ 21 1012.1R 1/ 3
WILMETTE BUOY 65 240/ 14/ 17 1013.3R 1/ 3
CHICAGO BUOY 64 54 200/ 12/ 17 1011.2R 1/ 3
HARRISON CRIB 71 200/ 17/ 18 N/A
NORTHERLY ISL 71 200/ 7/ 18 N/A
CALUMET HARBOR 180/ 12/ 17 1012.7
BURNS HARBOR 69 180/ 12/ 15 1013.5R
MICHIGAN CITY 70 180/ 17/ 21 1011.7R
ST. JOSEPH BUOY 60 190/ 10/ 12 1013.9R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 66 60 81 S8 29.89F TC 19
TAYLORVILLE CLOUDY 66 61 82 SW6 29.92R TC 19
ILZ033-039-045-046-055>057-062-063-190300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 64 63 94 SE7 29.92F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
ILZ067-068-072-073-078-083-087-091-190300-
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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