ASUS43 KLOT 181201 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 700 AM 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. ILZ001-002-007-009-015-016-024-181300- NORTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS MOLINE PTSUNNY 65 63 93 SE3 29.82R TC 18 6HR MIN TEMP: 63; 6HR MAX TEMP: 77; 6HR PCP: 0.62; STERLING* CLOUDY 67 64 90 N6 29.82S TC 19 SAVANNA* CLOUDY 64 61 90 E5 29.79F TC 18 $$ ILZ003-004-008-010-011-017-018-181300- NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLOUDY 68 66 93 CALM 29.83S TC 20 6HR MIN TEMP: 68; 6HR MAX TEMP: 74; 6HR PCP: 0.04; FREEPORT* CLOUDY 64 62 95 CALM 29.84R TC 18 DE KALB* PTSUNNY 72 64 75 SW13G18 29.85R TC 22 $$ ILZ005-006-012>014-019>023-181300- NORTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHICAGO-OHARE CLOUDY 75 63 66 S16G25 29.83S TC 24 6HR MIN TEMP: 74; 6HR MAX TEMP: 77; CHICAGO-MIDWAY PTSUNNY 75 62 64 S16G24 29.85S TC 24 6HR MIN TEMP: 74; 6HR MAX TEMP: 77; AURORA CLOUDY 73 63 70 S12 29.83R TC 23 6HR MIN TEMP: 70; 6HR MAX TEMP: 74; JOLIET* MOSUNNY 75 64 68 S13G20 29.85F TC 24 WAUKEGAN CLOUDY 74 63 68 SW18G25 29.82R TC 23 6HR MIN TEMP: 59; 6HR MAX TEMP: 77; DUPAGE AIRPORT PTSUNNY 72 62 71 S14G24 29.83S TC 22 6HR MIN TEMP: 72; 6HR MAX TEMP: 75; KANKAKEE* PTSUNNY 74 61 65 S14G20 29.90S TC 23 WHEELING PTSUNNY 76 63 64 SW15G25 29.85R TC 24 6HR MIN TEMP: 74; 6HR MAX TEMP: 78; MORRIS* PTSUNNY 73 63 68 S14G22 29.83S TC 23 ROMEOVILLE* MOSUNNY 75 64 69 S21G32 29.86R TC 24 LANSING* MOSUNNY 73 61 65 S14G21 29.88S TC 23 NORTHERLY ISL* N/A 74 59 59 SW15 N/A TC 23 $$ LMZ740>746-181300- SOUTHERN LAKE MICHIGAN STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE AIR SEA DIR/SP/G HT/PER (F) (DEG/KT/KT) (MB) (MI) (FT/S) WINTHROP HARBOR 49 1016.3R 2/ 4 WAUKEGAN HARBOR 67 50 200/ 12/ 17 1011.1R 2/ 4 HARRISON CRIB 74 200/ 26/ 28 N/A NORTHERLY ISL 74 190/ 13/ 24 N/A CALUMET HARBOR 73 180/ 12/ 18 1011.2 BURNS HARBOR 73 180/ 9/ 12 1012.5S MICHIGAN CITY 73 170/ 17/ 20 1010.7R ST. JOSEPH BUOY 65 180/ 14/ 16 1013.3R 2/ 3 $$ ILZ025>027-034>036-040-047-049-050-058-095>099-181300- WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY TSTM 64 62 93 NW20G31 29.90R FOG TC 18 GALESBURG* PTSUNNY 65 62 90 NE5 29.85R TC 18 MACOMB* LGT RAIN 67 65 94 CALM 29.86R TC 19 JACKSONVILLE* CLOUDY 74 67 79 S12 29.83S TC 23 $$ ILZ028>032-037-038-041>044-048-051>054-059>061-181300- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS BLOOMINGTON PTSUNNY 73 65 75 S25 29.87S TC 23 DECATUR MOSUNNY 72 64 76 S16G30 29.89F TC 22 PEORIA CLOUDY 74 65 73 SW16G24 29.83R TC 23 6HR MIN TEMP: 73; 6HR MAX TEMP: 74; SPRINGFIELD CLOUDY 75 66 73 S23G35 29.85F TC 24 6HR MIN TEMP: 73; 6HR MAX TEMP: 75; TAYLORVILLE CLOUDY 73 64 73 S18 29.90S TC 23 $$ ILZ033-039-045-046-055>057-062-063-181300- EAST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CHAMPAIGN MOSUNNY 72 63 73 S21 29.92S TC 22 DANVILLE* SUNNY 74 62 65 S16G24 29.96R TC 24 MATTOON PTSUNNY 73 63 70 S13G21 29.95R TC 23 PARIS* SUNNY 73 61 65 S15G22 29.97R TC 23 $$ ILZ079-100>102-181300- SOUTHWEST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ALTON PTSUNNY 75 68 78 S18 29.88S TC 24 CAHOKIA* SUNNY 76 68 76 S8G17 29.89R TC 24 $$ ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181300- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE SUNNY 77 68 73 S13 29.96R TC 25 6HR MIN TEMP: 75; 6HR MAX TEMP: 77; CAIRO* MOSUNNY 77 69 75 S12G18 29.99S TC 25 EFFINGHAM* MOSUNNY 72 64 78 SE8 29.98R TC 22 MARION SUNNY 75 66 73 S12 29.97S TC 24 MT. VERNON SUNNY 74 65 73 S7 29.97R TC 23 CENTRALIA* SUNNY 74 65 73 CALM 29.95R TC 23 SALEM* MOSUNNY 74 65 73 S7 29.95R TC 24 $$ ILZ067-068-072-073-078-083-087-091-181300- SOUTHEAST ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS LAWRENCEVILLE SUNNY 72 63 73 S15 29.99S TC 22 FLORA* MOSUNNY 73 63 68 S9 29.97R TC 23 FAIRFIELD* MOSUNNY 74 62 66 S8 29.97S TC 23 HARRISBURG* MOSUNNY 75 65 70 S10 29.99S TC 24 $$ ABBREVIATIONS USED IN REMARKS TC - TEMPERATURE IN CELSIUS WCI - WIND CHILL INDEX HX - HEAT INDEX VSB - VISIBILITY $$