153
ASUS43 KLOT 181156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-181300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 65 63 93 SE3 29.82R TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 77; 6HR PCP: 0.62;
ILZ003-004-008-010-011-017-018-181300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 66 93 CALM 29.82F TC 20
ILZ005-006-012>014-019>023-181300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 63 66 S16G25 29.83S TC 24
6HR MIN TEMP: 74; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 73 63 70 S12 29.83R TC 23
6HR MIN TEMP: 70; 6HR MAX TEMP: 74;
WAUKEGAN CLOUDY 74 63 68 SW18G25 29.82R TC 23
6HR MIN TEMP: 59; 6HR MAX TEMP: 77;
DUPAGE AIRPORT PTSUNNY 72 62 71 S14G24 29.83S TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
WHEELING PTSUNNY 76 63 64 SW15G25 29.85R TC 24
6HR MIN TEMP: 74; 6HR MAX TEMP: 78;
MORRIS* PTSUNNY 73 63 68 S14G22 29.83S TC 23
NORTHERLY ISL* N/A 74 59 59 SW15 N/A TC 23
LMZ740>746-181300-
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 1016.4R 2/ 4
WAUKEGAN HARBOR 63 50 180/ 10/ 17 1011.0R 2/ 3
HARRISON CRIB 74 200/ 24/ 27 N/A
NORTHERLY ISL 74 190/ 13/ 24 N/A
CALUMET HARBOR 180/ 11/ 17 1011.3
BURNS HARBOR 73 190/ 9/ 12 1012.5S
MICHIGAN CITY 73 170/ 16/ 20 1010.7R
ST. JOSEPH BUOY 64 190/ 14/ 17 1013.2R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 64 63 94 W16G31 29.90R FOG TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-181300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 75 66 73 S23G35 29.85F TC 24
6HR MIN TEMP: 73; 6HR MAX TEMP: 75;
TAYLORVILLE CLOUDY 73 64 73 S18 29.90S TC 23
ILZ033-039-045-046-055>057-062-063-181300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 75 68 78 S18 29.88S TC 24
CAHOKIA* SUNNY 76 68 76 S8G17 29.89R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 77 68 73 S13 29.96R TC 25
6HR MIN TEMP: 75; 6HR MAX TEMP: 77;
MARION SUNNY 75 66 73 S12 29.97S TC 24
ILZ067-068-072-073-078-083-087-091-181300-
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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