ASUS43 KLOT 182112 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 400 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. ILZ001-002-007-009-015-016-024-182200- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTSUNNY 75 64 68 SW9 29.84R TC 24 STERLING* CLOUDY 78 63 59 SW16G23 29.84R HX 80 TC 26 SAVANNA* CLOUDY 78 64 60 W10 29.83R HX 80 TC 26 $$ ILZ003-004-008-010-011-017-018-182200- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 79 62 56 SW15G22 29.82F HX 80 TC 26 FREEPORT* CLOUDY 78 66 68 W14 29.84S TC 25 ROCHELLE* CLOUDY 80 59 48 SW22 29.84R HX 81 TC 27 DE KALB* CLOUDY 78 64 61 SW17G25 29.85S HX 80 TC 26 PERU* CLOUDY 75 64 69 SW14 29.87R TC 24 $$ ILZ005-006-012>014-019>023-182200- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 77 63 61 SW15G29 29.82F TC 25 CHICAGO-MIDWAY CLOUDY 77 63 61 SW14G31 29.85S TC 25 AURORA CLOUDY 77 65 66 SW13G24 29.84F TC 25 JOLIET* CLOUDY 76 66 70 SW12G18 29.87S TC 25 WAUKEGAN PTSUNNY 80 63 55 SW17G33 29.78F HX 81 TC 27 DUPAGE AIRPORT PTSUNNY 78 66 66 SW18G25 29.83F HX 80 TC 26 KANKAKEE* CLOUDY 73 64 74 SW17 29.91S TC 23 WHEELING CLOUDY 79 64 60 SW15G24 29.82F HX 81 TC 26 MORRIS* CLOUDY 75 64 69 SW16 29.86S TC 24 ROMEOVILLE* MOSUNNY 75 66 73 SW17G25 29.87F TC 24 LANSING* CLOUDY 75 64 68 SW14G24 29.88F TC 24 NORTHERLY ISL* N/A 77 60 55 S16 N/A TC 25 $$ LMZ740>746-182200- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 50 1024.0 1/ 3 WAUKEGAN HARBOR 53 230/ 14/ 19 1010.0 2/ 3 WILMETTE BUOY 69 220/ 14/ 23 1011.6F 2/ 3 CHICAGO BUOY 70 55 220/ 16/ 21 1009.3 2/ 3 HARRISON CRIB 77 210/ 26/ 29 N/A NORTHERLY ISL 78 200/ 14/ 16 N/A CALUMET HARBOR 76 200/ 16/ 23 1010.9F BURNS HARBOR 74 220/ 11/ 14 1011.9S MICHIGAN CITY 75 190/ 20/ 25 1010.2R ST. JOSEPH BUOY 63 200/ 12/ 16 1012.2F 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-182200- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY PTSUNNY 67 62 84 S15G29 29.84F TC 19 GALESBURG* PTSUNNY 72 63 74 SW5 29.88F TC 22 MACOMB* CLOUDY 72 65 81 CALM 29.89F TC 22 JACKSONVILLE* CLOUDY 64 64 100 S16G24 29.90F TC 18 PITTSFIELD* CLOUDY 65 64 99 S15G21 29.95R THUNDER TC 18 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-182200- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC CLOUDY 71 66 84 MISG 29.91R TC 22 BLOOMINGTON PTSUNNY 68 65 90 W10 29.94R TC 20 DECATUR LGT RAIN 67 63 87 SW26G35 29.95R TC 19 PEORIA NOT AVBL LACON* CLOUDY 72 62 72 SW9 29.89R TC 22 LINCOLN* LGT RAIN 70 63 78 S15G29 29.89R TC 21 SPRINGFIELD LGT RAIN 67 63 87 S15G31 29.93R TC 19 TAYLORVILLE CLOUDY 66 63 88 SW13 29.97F TC 19 $$ ILZ033-039-045-046-055>057-062-063-182200- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN LGT RAIN 69 66 90 S23G31 29.97R TC 21 DANVILLE* PTSUNNY 69 66 89 S16 29.95R TC 21 RANTOUL* LGT RAIN 68 65 90 S16 29.93S TC 20 MATTOON RAIN 68 66 93 S12 30.02R FOG TC 20 PARIS* RAIN 67 66 98 S13 30.00F TC 19 $$ ILZ079-100>102-182200- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON TSTM 66 63 88 NW7 30.03R TC 19 BELLEVILLE LGT RAIN 68 67 97 E7 30.02R FOG TC 20 CAHOKIA* CLOUDY 69 66 90 E7 30.02R TC 21 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182200- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE NOT AVBL CAIRO* PTSUNNY 88 69 53 S9G20 29.99F HX 92 TC 31 EFFINGHAM* RAIN 65 65 100 SE3 30.06S TC 19 MARION CLOUDY 79 73 83 NW12 30.02R HX 82 TC 26 MT. VERNON LGT RAIN 68 66 94 NE5 30.06F TC 20 CENTRALIA* LGT RAIN 66 66 98 CALM 30.07F TC 19 SALEM* HVY RAIN 67 66 97 CALM 30.06F TC 20 METROPOLIS* MOSUNNY 85 73 68 S3 30.00F HX 92 TC 30 $$ ILZ067-068-072-073-078-083-087-091-182200- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE CLOUDY 69 67 93 NE7 30.02 TC 21 FLORA* HVY RAIN 66 N/A N/A CALM 30.07S FOG TC 19 FAIRFIELD* LGT RAIN 69 66 91 N12 30.05R TC 20 HARRISBURG* PTSUNNY 80 72 75 SW8 30.01R HX 84 TC 27 ROBINSON* LGT RAIN 68 68 100 NW6 30.02F TC 20 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$