ASUS43 KLOT 182312 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 OBSTRUCTIONS 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 CLOUDY 73 64 73 S7 29.82S TC 23 STERLING* CLOUDY 76 62 62 SW9 29.84F TC 24 SAVANNA* PTSUNNY 76 62 61 SW9 29.81F TC 25 $$ ILZ003-004-008-010-011-017-018-190000- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 79 61 53 SW13 29.83F HX 80 TC 26 FREEPORT* CLOUDY 77 65 65 SW8 29.84S TC 25 DE KALB* CLOUDY 74 65 72 S15 29.87S TC 23 PERU* CLOUDY 73 64 73 S10 29.86F TC 23 $$ 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 CLOUDY 75 63 66 SW17G29 29.87S TC 24 AURORA CLOUDY 74 65 73 S8 29.86F TC 23 JOLIET* CLOUDY 75 66 74 S14 29.89S TC 24 WAUKEGAN PTSUNNY 77 64 64 SW20G30 29.82R TC 25 DUPAGE AIRPORT PTSUNNY 74 64 71 SW16G22 29.85F TC 23 KANKAKEE* CLOUDY 70 64 81 S10G17 29.94S TC 21 WHEELING PTSUNNY 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 LANSING* CLOUDY 71 63 74 SW16G28 29.92S TC 22 NORTHERLY ISL* N/A 75 61 61 S17 N/A TC 24 $$ LMZ740>746-190000- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 50 1021.1 2/ 4 WAUKEGAN HARBOR 68 53 210/ 12/ 16 1011.0 1/ 3 WILMETTE BUOY 67 210/ 14/ 17 1012.8R 1/ 3 CHICAGO BUOY 68 55 210/ 17/ 19 1010.4 2/ 2 HARRISON CRIB 73 200/ 24/ 27 N/A NORTHERLY ISL 76 200/ 15/ 21 N/A CALUMET HARBOR 74 190/ 12/ 17 1012.3R BURNS HARBOR 72 200/ 13/ 20 1013.2R MICHIGAN CITY 74 200/ 22/ 25 1011.3R ST. JOSEPH BUOY 62 200/ 10/ 14 1013.4R 2/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-190000- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY PTSUNNY 66 62 87 S13G21 29.83F TC 19 GALESBURG* CLOUDY 71 64 79 S6 29.87F TC 22 MACOMB* CLOUDY 70 66 89 CALM 29.89R TC 21 JACKSONVILLE* PTSUNNY 68 60 75 W17G24 29.85F TC 20 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-190000- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON CLOUDY 69 64 84 SW12G18 29.92F TC 21 DECATUR CLOUDY 67 63 87 MISG 29.93F TC 19 PEORIA NOT AVBL SPRINGFIELD PTSUNNY 67 62 84 S20 29.87F TC 19 TAYLORVILLE CLOUDY64 63 94 S16 29.97S TC 18 $$ ILZ033-039-045-046-055>057-062-063-190000- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN LGT RAIN 67 65 93 S21 29.93F TC 19 DANVILLE* CLOUDY 67 65 94 S14 29.96F TC 20 MATTOON LGT RAIN 66 64 93 S13 29.98F TC 19 PARIS* DRIZZLE 66 65 98 SW15 30.02S TC 19 $$ ILZ079-100>102-190000- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON TSTM 66 63 88 S13 30.03R TC 19 BELLEVILLE LGT RAIN 67 66 97 SE8 30.04 TC 19 CAHOKIA* LGT RAIN 66 64 93 SE9 30.02F TC 19 $$ 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 CAIRO* CLOUDY 87 69 54 SW5 29.99F HX 90 TC 30 EFFINGHAM* CLOUDY 66 66 100 SE7 30.04F TC 19 MARION CLOUDY 70 66 88 SE9 30.07R TC 21 MT. VERNON N/A 67 65 93 VRB7 30.08R TC 19 CENTRALIA* LGT RAIN 66 66 97 N8 30.08R TC 19 SALEM* RAIN 67 66 96 MISG 30.10R TC 20 $$ ILZ067-068-072-073-078-083-087-091-190000- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS FLORA* LGT RAIN 66 N/A N/A SW12 30.10R TC 19 FAIRFIELD* CLOUDY 68 64 86 NW3 30.07R TC 20 HARRISBURG* CLOUDY 68 66 93 N10 30.06R TC 20 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$