ASUS43 KLOT 201801 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 100 PM CDT MON APR 20 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. ILZ001-002-007-009-015-016-024-201900- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE SUNNY 54 19 25 VRB3 30.28F TC 12 6HR MIN TEMP: 29; 6HR MAX TEMP: 55; STERLING* SUNNY 53 21 28 S6 30.32F TC 12 SAVANNA* SUNNY 53 20 27 SW10 30.30F TC 12 $$ ILZ003-004-008-010-011-017-018-201900- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD MOSUNNY 51 23 33 SE9G21 30.32F TC 11 6HR MIN TEMP: 29; 6HR MAX TEMP: 51; DE KALB* SUNNY 49 27 42 S7 30.33F TC 10 $$ ILZ005-006-012>014-019>023-201900- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOSUNNY 51 20 29 S8 30.32F TC 11 6HR MIN TEMP: 37; 6HR MAX TEMP: 51; CHICAGO-MIDWAY MOSUNNY 51 19 28 CALM 30.33F TC 11 6HR MIN TEMP: 38; 6HR MAX TEMP: 51; AURORA SUNNY 53 25 33 SE8G16 30.31F TC 12 6HR MIN TEMP: 31; 6HR MAX TEMP: 54; JOLIET* SUNNY 54 28 36 S7 30.33F TC 12 WAUKEGAN SUNNY 45 31 58 SE14 30.32F TC 7 6HR MIN TEMP: 33; 6HR MAX TEMP: 45; DUPAGE AIRPORT SUNNY 51 23 33 S15G21 30.31F TC 11 6HR MIN TEMP: 30; 6HR MAX TEMP: 52; WHEELING SUNNY 49 22 34 SW5 30.33F TC 9 6HR MIN TEMP: 38; 6HR MAX TEMP: 49; MORRIS* SUNNY 52 25 34 S8 30.33F TC 11 ROMEOVILLE* SUNNY 50 27 40 S10G18 30.34F TC 10 NORTHERLY ISL* N/A 46 31 56 E9 N/A TC 8 $$ LMZ740>746-201900- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 44 1025.1F 2/ 3 WAUKEGAN HARBOR 40 45 1026.2F 2/ 3 HARRISON CRIB 43 100/ 13/ 13 N/A NORTHERLY ISL 45 60/ 9/ 11 N/A CALUMET HARBOR 45 70/ 10/ 12 1027.2 BURNS HARBOR 44 30/ 6/ 6 1028.4F MICHIGAN CITY 46 360/ 9/ 10 1028.0F ST. JOSEPH BUOY 43 280/ 6/ 8 1028.8F 1/ 4 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-201900- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY SUNNY 57 29 34 SE9 30.28F TC 14 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-201900- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON SUNNY 53 23 31 SE7 30.33F TC 12 DECATUR SUNNY 54 27 35 S9 30.33F TC 12 PEORIA SUNNY 54 23 30 SE7 30.31F TC 12 6HR MIN TEMP: 32; 6HR MAX TEMP: 54; SPRINGFIELD SUNNY 55 23 28 CALM 30.32F TC 136HR MIN TEMP: 34; 6HR MAX TEMP: 56; TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-201900- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN SUNNY 53 24 32 CALM 30.33F TC 12 DANVILLE* N/A 53 27 37 SE7 30.35F VSB 3/4 TC 12 MATTOON SUNNY 53 25 33 E5 30.33F TC 12 $$ ILZ079-100>102-201900- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON SUNNY 59 32 36 E7 30.33F TC 15 CAHOKIA* SUNNY 60 34 37 SE9 30.31F TC 16 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE SUNNY 60 33 36 CALM 30.32F TC 16 6HR MIN TEMP: 42; 6HR MAX TEMP: 61; CAIRO* SUNNY 64 40 41 CALM 30.32F TC 18 MARION SUNNY 61 34 36 N5 30.33F TC 16 MT. VERNON SUNNY 60 34 37 S5 30.33F TC 16 SALEM* SUNNY 59 32 36 E6 30.33F TC 15 $$ ILZ067-068-072-073-078-083-087-091-201900- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE SUNNY 58 23 26 VRB6 30.34F TC 14 FAIRFIELD* SUNNY 58 28 31 CALM 30.33F TC 15 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$