498
ASUS43 KLOT 301506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT THU JUL 30 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-301600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 75 60 59 SE5 30.08F TC 24
STERLING* SUNNY 76 60 57 VRB3 30.11S TC 24
SAVANNA* SUNNY 75 59 56 S3 30.10F TC 24
ILZ003-004-008-010-011-017-018-301600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 76 55 48 S5 30.11S TC 24
FREEPORT* SUNNY 77 58 53 SW3 30.13S TC 25
ROCHELLE* SUNNY 74 55 51 CALM 30.11F TC 24
DE KALB* SUNNY 76 60 56 S6 30.12S TC 25
ILZ005-006-012>014-019>023-301600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 79 55 43 VRB3 30.09S TC 26
CHICAGO-MIDWAY MOSUNNY 79 56 45 NW5 30.09S HX 80 TC 26
AURORA SUNNY N/A N/A N/A CALM 30.10S
JOLIET* SUNNY 80 60 50 CALM 30.10F HX 81 TC 27
WAUKEGAN SUNNY 77 60 55 W6 30.09R TC 25
DUPAGE AIRPORT SUNNY 78 57 48 SW3 30.10R TC 26
KANKAKEE* SUNNY 77 64 65 CALM 30.12S TC 25
WHEELING MOSUNNY 78 58 49 CALM 30.10S TC 26
LANSING* SUNNY 78 57 47 CALM 30.11S TC 26
NORTHERLY ISL* N/A 75 63 66 NE2 N/A TC 24
LMZ740>746-301600-
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 70 1018.2R 1
WAUKEGAN HARBOR 73 70 1019.0R 0
WILMETTE BUOY 72 CALM / 2 1022.2R 0
CHICAGO BUOY 72 72 70/ 4 1018.1R 1/ 3
NORTHERLY ISL 75 50/ 4/ 6 N/A
CALUMET HARBOR 76 60/ 2/ 3 1019.1
BURNS HARBOR 1020.0R
MICH CITY BUOY 72 73 320/ 4/ 4 N/A 1/ 4
ST. JOSEPH BUOY 73 71 CALM / 2 1020.0R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 75 63 66 E7 30.07S TC 24
GALESBURG* MOSUNNY 74 61 62 SE6 30.10S TC 24
MACOMB* MOSUNNY 74 66 76 CALM 30.12R TC 24
JACKSONVILLE* MOSUNNY 75 66 75 E3 30.09R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-301600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 76 62 61 MISG 30.11S TC 25
BLOOMINGTON SUNNY 77 64 64 SE7 30.11F TC 25
DECATUR SUNNY 76 64 66 SE6 30.10S TC 24
PEORIA SUNNY 76 62 62 VRB7 30.09F TC 24
LACON* SUNNY 76 59 54 SE6 30.09S TC 24
LINCOLN* SUNNY 77 65 67 E5 30.10S TC 25
SPRINGFIELD SUNNY 76 64 66 VRB5 30.08F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 64 66 E8 30.10S TC 24
DANVILLE* N/A 77 63 61 E5 30.11S TC 25
MATTOON SUNNY 77 63 61 E7 30.09S TC 25
PARIS* SUNNY 76 62 61 SE6 30.10S TC 25
ILZ079-100>102-301600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 66 69 SE6 30.07S TC 25
BELLEVILLE SUNNY 78 71 77 E3 30.05R HX 81 TC 26
CAHOKIA* SUNNY 80 64 58 E6 30.06S HX 82 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 70 73 CALM 30.05S HX 81 TC 26
CAIRO* SUNNY 81 72 74 CALM 30.04F HX 85 TC 27
EFFINGHAM* SUNNY 77 67 72 E8 30.10S TC 25
MT. VERNON SUNNY 81 64 56 E8 30.08R HX 82 TC 27
CENTRALIA* SUNNY 80 66 61 CALM 30.07S HX 82 TC 27
SALEM* SUNNY 79 67 68 MISG 30.08R HX 81 TC 26
METROPOLIS* SUNNY 80 67 63 E5 30.05S HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-301600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 77 62 59 E6 30.08S TC 25
FAIRFIELD* SUNNY 77 65 65 SE7 30.07S TC 25
HARRISBURG* SUNNY 79 69 71 SE8 30.07S HX 81 TC 26
ROBINSON* SUNNY 77 66 69 VRB5 30.08S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page