329
ASUS43 KLOT 182256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 73 64 73 S7 29.82S TC 23
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
PERU* CLOUDY 73 64 73 S10 29.86F TC 23
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 76 64 66 S14G23 29.85S TC 24
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 74 65 73 S8 29.86F TC 23
WAUKEGAN CLOUDY 77 64 64 SW20G30 29.82R TC 25
DUPAGE AIRPORT CLOUDY 74 64 71 SW16G22 29.85F TC 23
WHEELING CLOUDY 77 64 64 SW10G24 29.85S TC 25
MORRIS* CLOUDY 73 64 73 S13 29.88S TC 23
ROMEOVILLE* SUNNY 73 68 83 S17G26 29.89S TC 23
NORTHERLY ISL* N/A 75 61 61 S17 N/A TC 24
LMZ740>746-190000-
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 50 1021.2F 2/ 4
WAUKEGAN HARBOR 69 53 210/ 14/ 19 1011.2R 2/ 4
WILMETTE BUOY 67 200/ 12/ 16 1012.8R 1/ 2
CHICAGO BUOY 68 55 220/ 16/ 19 1010.5R 1/ 3
HARRISON CRIB 76 210/ 28/ 31 N/A
NORTHERLY ISL 76 200/ 15/ 21 N/A
CALUMET HARBOR 74 180/ 10/ 18 1012.3R
BURNS HARBOR 72 200/ 13/ 20 1013.2R
MICHIGAN CITY 75 180/ 19/ 22 1011.2R
ST. JOSEPH BUOY 61 200/ 12/ 14 1013.5R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 67 62 84 S20 29.87F TC 19
TAYLORVILLE CLOUDY 64 63 94 S16 29.97S TC 18
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 66 63 88 S13 30.03R TC 19
BELLEVILLE RAIN 68 66 94 SE6 30.03 FOG TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
MARION CLOUDY 70 66 88 SE9 30.07R TC 21
ILZ067-068-072-073-078-083-087-091-190000-
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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