ASUS43 KLOT 181601 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1100 AM CDT SAT APR 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. ILZ001-002-007-009-015-016-024-181700- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE SUNNY 43 28 55 W17G32 29.98R TC 6 STERLING* MOSUNNY 44 31 60 W17G25 29.95R TC 7 SAVANNA* MOSUNNY 42 27 54 NW18G31 29.95R TC 6 $$ ILZ003-004-008-010-011-017-018-181700- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD PTSUNNY 42 28 57 W20G30 29.92R TC 6 FREEPORT* PTSUNNY 42 32 68 NW18G25 29.93R TC 5 ROCHELLE* MOSUNNY 42 30 61 W20G26 29.93R TC 6 DE KALB* MOSUNNY 41 31 68 W22G31 29.91R TC 5 PERU* SUNNY 43 33 67 W22G28 29.95R TC 6 $$ ILZ005-006-012>014-019>023-181700- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE PTSUNNY 45 32 60 W15G28 29.86R TC 7 CHICAGO-MIDWAY PTSUNNY 47 33 58 W16G23 29.86R TC 8 AURORA PTSUNNY 43 34 70 NW22G32 29.89R TC 6 JOLIET* CLOUDY 45 35 67 W9G18 29.91R TC 7 WAUKEGAN PTSUNNY 46 33 60 W13G26 29.83R TC 8 DUPAGE AIRPORT PTSUNNY 44 33 65 W22G30 29.88R TC 7 KANKAKEE* CLOUDY 44 35 72 W18G26 29.92R TC 6 WHEELING PTSUNNY 45 33 63 NW17G25 29.86R TC 7 MORRIS* PTSUNNY 44 34 66 NW24 29.90R TC 7 ROMEOVILLE* MOSUNNY 45 37 76 W18G26 29.89R TC 7 LANSING* CLOUDY 46 34 63 W13G22 29.88R TC 8 NORTHERLY ISL* N/A 47 33 58 W16 N/A TC 8 $$ LMZ740>746-181700- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 44 1002.7R 1/ 2 WAUKEGAN HARBOR 45 47 1011.8R 1/ 3 HARRISON CRIB 45 280/ 18/ 20 N/A NORTHERLY ISL 46 260/ 9/ 16 N/A CALUMET HARBOR 47 260/ 5/ 11 1010.0 BURNS HARBOR 47 280/ 7/ 8 1011.2R MICHIGAN CITY 45 270/ 8/ 8 1009.8R ST. JOSEPH BUOY 43 300/ 8/ 10 1010.6R 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-181700- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS GALESBURG* MOSUNNY 42 35 75 W24 30.02S TC 6 MACOMB* SUNNY 44 33 63 NW17G25 30.05S TC 7 JACKSONVILLE* MOSUNNY 47 33 59 NW16 30.03R TC 8 PITTSFIELD* MOSUNNY 47 32 55 NW14G20 30.06R TC 8 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-181700- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC MOSUNNY 45 35 68 MISG 29.95R TC 7 BLOOMINGTON MOSUNNY 46 33 60 W22G29 29.95S TC 8 DECATUR PTSUNNY 45 34 65 NW16G28 29.98R TC 7 PEORIA SUNNY 44 27 51 W14G26 29.99R TC 7 LACON* SUNNY 44 30 57 NW14G24 29.97R TC 7 LINCOLN*MOSUNNY 46 32 58 W9G20 29.99R TC 8 SPRINGFIELD MOSUNNY 46 32 58 W17G28 30.01R TC 8 TAYLORVILLE NOT AVBL $$ ILZ033-039-045-046-055>057-062-063-181700- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN CLOUDY 45 38 76 W16 29.95R TC 7 DANVILLE* CLOUDY 46 39 77 W13G20 29.94R TC 8 RANTOUL* CLOUDY 43 33 68 NW21G26 29.94S TC 6 MATTOON CLOUDY 45 37 73 NW17G28 29.96R TC 7 PARIS* CLOUDY 44 39 85 MISG 29.94R TC 6 $$ ILZ079-100>102-181700- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON MOSUNNY 48 39 71 NW17 30.04R TC 9 CAHOKIA* CLOUDY 52 39 61 NW16 30.03R TC 11 SPARTA* CLOUDY 49 40 69 NW15G23 30.04R TC 10 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLOUDY 50 42 74 NW14G23 30.00R TC 10 CAIRO* CLOUDY 50 49 97 N17G23 29.98R TC 10 EFFINGHAM* CLOUDY 46 37 72 W18G24 30.01R TC 8 MARION CLOUDY 48 46 93 N12 30.00R TC 9 MT. VERNON CLOUDY 48 42 80 VRB3 30.01R TC 9 SALEM* CLOUDY 50 40 70 NW14G23 30.00R TC 10 METROPOLIS* LGT RAIN 51 51 99 MISG 29.99R TC 11 $$ ILZ067-068-072-073-078-083-087-091-181700- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE LGT RAIN 48 45 89 NW18G28 29.95R FOG TC 9 FLORA* LGT RAIN 46 43 87 NW12 30.00R TC 8 FAIRFIELD* LGT RAIN 47 42 84 NW9G18 29.99R TC 8 HARRISBURG* DRIZZLE 48 47 93 N13G18 29.99R TC 9 ROBINSON* CLOUDY 48 46 93 NW14 29.94R TC 9 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$