426
ASUS43 KLOT 181056
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-181200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 64 63 96 CALM 29.81F TC 18
ILZ003-004-008-010-011-017-018-181200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 70 64 83 W5 29.83R TC 21
PERU* MOCLDY 73 63 68 S15G21 29.82S TC 23
ILZ005-006-012>014-019>023-181200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 61 61 S18G28 29.83R TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA MOCLDY 71 61 70 S9 29.82S TC 22
WAUKEGAN MOCLDY 74 61 63 SW16G29 29.81R TC 23
DUPAGE AIRPORT MOCLDY 72 61 68 S18 29.83R TC 22
WHEELING MOCLDY 76 62 62 SW20G30 29.83R TC 24
MORRIS* MOCLDY 73 61 64 S16G24 29.83S TC 23
ROMEOVILLE* CLOUDY 75 63 64 S18G32 29.85S TC 24
NORTHERLY ISL* N/A 74 58 57 S16 N/A TC 23
LMZ740>746-181200-
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 1014.5F 2/ 3
WAUKEGAN HARBOR 62 50 170/ 8/ 16 1010.6R 2/ 3
HARRISON CRIB 74 200/ 26/ 30 N/A
NORTHERLY ISL 74 200/ 20/ 22 N/A
CALUMET HARBOR 190/ 12/ 18 1011.0
BURNS HARBOR 73 190/ 10/ 14 1012.2S
MICHIGAN CITY 73 170/ 14/ 16 1010.3R
ST. JOSEPH BUOY 64 180/ 14/ 17 1013.0R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOCLDY 74 64 71 S20G29 29.86S TC 23
TAYLORVILLE MOCLDY 72 64 78 S15G21 29.90R TC 22
ILZ033-039-045-046-055>057-062-063-181200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 75 66 73 S15 29.94F TC 24
ILZ067-068-072-073-078-083-087-091-181200-
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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