637
ASUS43 KLOT 301709
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-301800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 78 61 55 SE3 30.10S HX 80 TC 26
STERLING* MOSUNNY 81 62 52 VRB6 30.11S HX 82 TC 27
SAVANNA* MOSUNNY 80 59 48 SW6 30.11R HX 80 TC 27
ILZ003-004-008-010-011-017-018-301800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 82 57 42 S7 30.11S HX 82 TC 28
FREEPORT* MOSUNNY 81 60 48 S7 30.12F HX 81 TC 27
ROCHELLE* SUNNY 80 58 48 S6 30.11F HX 80 TC 26
DE KALB* SUNNY 80 60 49 SW7 30.11F HX 81 TC 27
ILZ005-006-012>014-019>023-301800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 83 55 38 SW5 30.08S HX 82 TC 28
CHICAGO-MIDWAY MOSUNNY 82 55 39 SW3 30.08S HX 81 TC 28
AURORA SUNNY 81 60 48 W6 30.10S HX 82 TC 27
JOLIET* SUNNY 83 60 45 S6 30.10S HX 83 TC 28
WAUKEGAN SUNNY 82 57 42 W5 30.07F HX 82 TC 28
DUPAGE AIRPORT SUNNY 82 58 43 SW5 30.09S HX 82 TC 28
KANKAKEE* SUNNY 81 57 44 SE3 30.11S HX 81 TC 27
WHEELING SUNNY 82 56 40 S6 30.09F HX 82 TC 28
LANSING* SUNNY 82 57 43 SW5 30.10R HX 81 TC 28
NORTHERLY ISL* N/A 76 66 71 E6 N/A TC 24
LMZ740>746-301800-
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 74 1017.9S 1
WAUKEGAN HARBOR 73 70 1018.6 0
WILMETTE BUOY 74 130/ 4/ 6 1022.4R 0
CHICAGO BUOY 74 73 120/ 6 1017.7 1/ 3
NORTHERLY ISL 75 90/ 3/ 4 N/A
CALUMET HARBOR 76 60/ 5/ 7 1018.9
BURNS HARBOR 1019.6F
MICH CITY BUOY 75 73 310/ 2/ 2 N/A 1
ST. JOSEPH BUOY 74 72 CALM / 2 1019.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 80 61 52 S6 30.08F HX 81 TC 27
GALESBURG* MOSUNNY 78 60 54 S5 30.11F TC 25
MACOMB* SUNNY 78 64 61 CALM 30.11F HX 80 TC 26
JACKSONVILLE* MOSUNNY 79 65 61 SE5 30.09S HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-301800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 81 63 54 MISG 30.11S HX 82 TC 27
BLOOMINGTON SUNNY 81 62 52 SE9 30.12S HX 82 TC 27
DECATUR SUNNY 80 61 52 S9 30.10S HX 81 TC 27
PEORIA MOSUNNY 80 62 54 S10G18 30.10S HX 81 TC 27
LACON* MOSUNNY 81 61 51 S7 30.09S HX 82 TC 27
LINCOLN* MOSUNNY 83 64 53 SE9 30.10S HX 84 TC 28
SPRINGFIELD MOSUNNY 79 63 57 VRB5 30.09S HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 81 62 52 SE7 30.11S HX 82 TC 27
DANVILLE* N/A 83 57 41 CALM 30.11F VSB 1/4 HX 82
MATTOON MOSUNNY 80 61 52 S6 30.09S HX 81 TC 27
PARIS* SUNNY 80 58 46 SE3 30.10F HX 81 TC 27
ILZ079-100>102-301800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 66 57 E6 30.08S HX 85 TC 28
CAHOKIA* MOSUNNY 83 64 52 S5 30.06S HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 84 66 54 VRB6 30.05S HX 86 TC 29
CAIRO* MOSUNNY 85 70 59 CALM 30.05S HX 90 TC 30
EFFINGHAM* MOSUNNY 82 65 58 E7 30.11S HX 83 TC 28
MT. VERNON PTSUNNY 84 64 50 E6 30.07S HX 85 TC 29
CENTRALIA* MOSUNNY 84 64 50 CALM 30.07F HX 85 TC 29
SALEM* MOSUNNY 83 66 56 MISG 30.08F HX 85 TC 28
METROPOLIS* PTSUNNY 83 66 56 NE6 30.05S HX 85 TC 28
ILZ067-068-072-073-078-083-087-091-301800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 80 62 54 E3 30.08S HX 81 TC 27
FAIRFIELD* SUNNY 81 64 55 CALM 30.08R HX 82 TC 27
HARRISBURG* SUNNY 83 67 60 CALM 30.07S HX 85 TC 28
ROBINSON* SUNNY 81 63 54 VRB2 30.08F HX 82 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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