ASUS43 KLOT 201701 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1200 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. ILZ001-002-007-009-015-016-024-201800- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE SUNNY 52 18 26 VRB5 30.31F TC 11 STERLING* SUNNY 51 22 31 VRB5 30.34F TC 11 SAVANNA* SUNNY 51 20 30 SW8 30.33F TC 11 $$ ILZ003-004-008-010-011-017-018-201800- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD MOSUNNY 50 22 33 S10G17 30.34F TC 10 FREEPORT* SUNNY 49 23 35 S8 30.34F TC 9 ROCHELLE* SUNNY 50 22 33 S7 30.34F TC 10 DE KALB* SUNNY 48 26 41 S9G16 30.35F TC 9 PERU* SUNNY 51 23 33 SE8 30.34F TC 11 $$ ILZ005-006-012>014-019>023-201800- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE MOSUNNY 48 19 31 S8 30.34F TC 9 CHICAGO-MIDWAY PTSUNNY 49 20 31 SE9 30.35F TC 9 AURORA SUNNY 51 21 30 CALM 30.34F TC 11 JOLIET* SUNNY 52 26 36 SW6 30.36S TC 11 WAUKEGAN MOSUNNY 44 32 62 SE9 30.34F TC 7 DUPAGE AIRPORT SUNNY 48 19 31 VRB6 30.33F TC 9 KANKAKEE* SUNNY 50 25 38 E7 30.37F TC 10 WHEELING SUNNY 46 21 37 VRB3 30.35F TC 8 MORRIS* SUNNY 50 23 34 S9 30.34F TC 10 ROMEOVILLE* SUNNY 50 27 40 S10G18 30.36F TC 10 LANSING* SUNNY 49 22 33 SW3 30.36F TC 10 NORTHERLY ISL* N/A 46 32 58 E10 N/A TC 8 $$ LMZ740>746-201800- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 44 1025.9F 2/ 3 WAUKEGAN HARBOR 40 45 1026.8F 2/ 3 HARRISON CRIB 42 100/ 11/ 12 N/A NORTHERLY ISL 45 90/ 8 N/A CALUMET HARBOR 60/ 9/ 10 1027.7 BURNS HARBOR 43 20/ 5/ 5 1028.8S MICHIGAN CITY 45 350/ 7/ 8 1028.3F ST. JOSEPH BUOY 42 300/ 2/ 2 1029.1F 1/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-201800- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY SUNNY 55 28 35 SE12 30.30F TC 13 MACOMB* SUNNY 53 24 32 S8 30.35S TC 12 JACKSONVILLE* SUNNY 54 24 31 CALM 30.33F TC 12 PITTSFIELD* SUNNY 55 28 36 SE9 30.33F TC 13 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-201800- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC SUNNY 52 21 29 MISG 30.35F TC 11 BLOOMINGTON SUNNY 51 23 33 CALM 30.35S TC 11 DECATUR SUNNY 53 24 32 VRB3 30.35F TC 12 PEORIA SUNNY 52 23 32 MISG 30.34S TC 11 LACON* SUNNY 52 19 28 SE5 30.34S TC 11 LINCOLN*SUNNY 54 25 33 E5 30.35S TC 12 SPRINGFIELD SUNNY 54 25 32 SW3 30.34F TC 12 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-201800- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN SUNNY 51 25 36 SE9 30.35F TC 11 DANVILLE* N/A 52 26 36 SE9 30.37F VSB 3/4 TC 11 PARIS* SUNNY 51 25 36 MISG 30.36F TC 11 $$ ILZ079-100>102-201800- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON SUNNY 55 30 38 E7 30.34F TC 13 CAHOKIA* SUNNY 59 32 36 SE5 30.34F TC 15 SPARTA* SUNNY 56 31 37 NE6 30.35F TC 14 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE SUNNY 59 33 37 NE3 30.34F TC 15 CAIRO* SUNNY 62 40 44 CALM 30.34S TC 17 EFFINGHAM* SUNNY 55 27 34 SE6 30.37F TC 13 MARION SUNNY 59 32 36 NE7 30.34F TC 15 MT. VERNON SUNNY 59 35 40 VRB5 30.35F TC 15 CENTRALIA* SUNNY 57 29 35 CALM 30.35S TC 14 SALEM* SUNNY 57 31 37 S3 30.35S TC 14 METROPOLIS* SUNNY 61 35 38 MISG 30.34S TC 16 $$ ILZ067-068-072-073-078-083-087-091-201800- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE SUNNY 55 21 26 NE5 30.36S TC 13 FLORA* SUNNY 55 28 35 NE5 30.36F TC 13 FAIRFIELD* SUNNY 57 29 33 E6 30.35F TC 14 HARRISBURG* SUNNY 59 35 39 E7 30.35F TC 15 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$