ASUS43 KLOT 182208 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 500 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. ILZ001-002-007-009-015-016-024-182300- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTSUNNY 73 63 70 SW6 29.82F TC 23 STERLING* CLOUDY 77 63 61 SW13 29.85R TC 25 SAVANNA* CLOUDY 78 63 58 SW7 29.83S HX 80 TC 26 $$ ILZ003-004-008-010-011-017-018-182300- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 79 61 53 SW14G22 29.84R HX 80 TC 26 FREEPORT* CLOUDY 78 67 68 SW12G18 29.84S HX 80 TC 26 ROCHELLE* CLOUDY 80 58 47 SW21G26 29.86R HX 80 TC 27 DE KALB* CLOUDY 76 64 66 SW18G24 29.87R TC 25 PERU* CLOUDY 73 64 73 SW8 29.87S TC 23 $$ ILZ005-006-012>014-019>023-182300- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 77 64 64 SW13G25 29.85R TC 25 CHICAGO-MIDWAY CLOUDY 76 63 64 SW17G26 29.87R TC 24 AURORA CLOUDY 76 65 68 S13G21 29.87R TC 24 JOLIET* CLOUDY 76 66 72 SW10G17 29.90R TC 24 WAUKEGAN PTSUNNY 80 64 58 SW17G30 29.81R HX 82 TC 27 DUPAGE AIRPORT PTSUNNY 75 63 66 SW21G28 29.86R TC 24 KANKAKEE* CLOUDY 72 64 75 SW17G25 29.95R TC 22 WHEELING CLOUDY 78 64 61 SW16G25 29.85R HX 80 TC 26 MORRIS* CLOUDY 73 64 73 SW16 29.89R TC 23 ROMEOVILLE* MOSUNNY 75 66 73 SW18G32 29.89R TC 24 LANSING* CLOUDY 73 64 72 SW17G25 29.91R TC 23 NORTHERLY ISL* N/A 75 60 59 S16 N/A TC 24 $$ LMZ740>746-182300- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 50 1024.6 2/ 3 WAUKEGAN HARBOR 69 53 210/ 12/ 19 1010.9 2/ 4 WILMETTE BUOY 68 210/ 12/ 17 1012.5R 1/ 2 CHICAGO BUOY 69 55 220/ 16/ 21 1010.4 1/ 3 HARRISON CRIB 75 210/ 22/ 24 N/A NORTHERLY ISL 76 200/ 16/ 17 N/A CALUMET HARBOR 75 190/ 9/ 17 1011.7R BURNS HARBOR 74 220/ 10/ 15 1012.5R MICHIGAN CITY 75 190/ 20/ 23 1010.5R ST. JOSEPH BUOY 63 210/ 12/ 14 1012.5R 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-182300- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY PTSUNNY 67 62 84 S15G22 29.85R TC 19 GALESBURG* PTSUNNY 71 64 78 S5 29.86F TC 22 MACOMB* CLOUDY 70 67 88 CALM 29.89F TC 21 JACKSONVILLE* PTSUNNY 66 66 100 S21G28 29.87F TC 19 PITTSFIELD* PTSUNNY 64 64 99 SE17G24 29.83F TC 18 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-182300- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC CLOUDY 71 66 84 MISG 29.93R TC 22 BLOOMINGTON PTSUNNY 67 64 90 SW9 29.93F TC 19 DECATUR LGT RAIN 66 63 90 S16 29.96R TC 19 PEORIA SUNNY 72 63 73 S8 29.86F TC 22 LACON* CLOUDY 72 63 73 SW6 29.88R TC 22 LINCOLN* LGT RAIN 69 64 83 S6 29.90F TC 21 SPRINGFIELD PTSUNNY 67 63 87 S16G29 29.91F TC 19 TAYLORVILLE CLOUDY 64 63 94 S16 29.98R TC 18 $$ ILZ033-039-045-046-055>057-062-063-182300- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN LGT RAIN 66 64 93 S20 29.96F TC 19 DANVILLE* CLOUDY 68 65 88 S25G33 29.99R TC 20 RANTOUL* LGT RAIN 67 64 89 S17 29.95R TC 19 MATTOON LGT RAIN 67 65 93 S10 30.00F TC 19 PARIS* RAIN 66 65 97 S9 30.02R TC 19 $$ ILZ079-100>102-182300- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON TSTM 66 63 88 S7 30.00F TC 19 BELLEVILLE TSTM 70 66 88 E3 30.01S TC 21 CAHOKIA* TSTM 67 64 90 SE6 30.04R VSB 3/4 TC 19 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE PTSUNNY 70 66 88 N9 30.05R TC 21 CAIRO* CLOUDY 82 71 69 NW5 30.00R HX 86 TC 28 EFFINGHAM* LGT RAIN 66 66 100 S9 30.07R TC 19 MARION PTSUNNY 73 66 78 N21 30.04R TC 23 MT. VERNON LGT RAIN 67 66 97 CALM 30.07R TC 19 CENTRALIA* CLOUDY 67 66 97 CALM 30.05F TC 19 SALEM* CLOUDY 68 68 100 MISG 30.04F TC 20 METROPOLIS* MOSUNNY 86 68 54 S12 30.00S HX 89 TC 30 $$ ILZ067-068-072-073-078-083-087-091-182300- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE LGT RAIN 69 67 93 NW3 30.05R TC 21 FLORA* LGT RAIN 68 N/A N/A W7 30.07R TC 20 FAIRFIELD* PTSUNNY 69 65 88 NW6 30.06R TC 21 HARRISBURG* LGT RAIN 75 70 84 N16 30.04R TC 24 ROBINSON* DRIZZLE 68 68 100 NW3 30.04S TC 20 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$