052
ASUS43 KLOT 181256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-181400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 65 63 93 SE3 29.86R FOG TC 18
ILZ003-004-008-010-011-017-018-181400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 66 87 CALM 29.82F TC 21
PERU* CLOUDY 73 66 78 SW6 29.83F TC 23
ILZ005-006-012>014-019>023-181400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 76 63 64 SW10G22 29.84R TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 69 67 93 S8 29.85R TC 21
WAUKEGAN CLOUDY 73 64 73 SW14G20 29.83S TC 23
DUPAGE AIRPORT LGT RAIN 72 64 76 SW12 29.85R TC 22
WHEELING CLOUDY 75 64 68 SW12G18 29.86R TC 24
MORRIS* CLOUDY 73 63 68 S15G22 29.84S TC 23
ROMEOVILLE* PTSUNNY 75 66 73 S17G32 29.86S TC 24
NORTHERLY ISL* N/A 75 61 61 SW13 N/A TC 24
LMZ740>746-181400-
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 1014.9F 2/ 4
WAUKEGAN HARBOR 66 50 220/ 10/ 16 1011.5R 2/ 3
HARRISON CRIB 74 200/ 22/ 24 N/A
NORTHERLY ISL 75 180/ 16/ 20 N/A
CALUMET HARBOR 180/ 9/ 18 1011.3
BURNS HARBOR 75 180/ 10/ 12 1012.5S
MICHIGAN CITY 75 170/ 14/ 19 1010.2F
ST. JOSEPH BUOY 64 190/ 12/ 17 1013.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 76 67 73 S22G37 29.85S TC 24
TAYLORVILLE CLOUDY 73 66 78 S15G25 29.90R TC 23
ILZ033-039-045-046-055>057-062-063-181400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 75 68 78 S15G23 29.90R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 79 69 71 S15G28 29.96S HX 81 TC 26
MARION SUNNY 79 70 73 S12 29.97F HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-181400-
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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