339
ASUS43 KLOT 301812
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-301900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 80 61 52 SE9 30.08F HX 81 TC 27
6HR MIN TEMP: 61; 6HR MAX TEMP: 80;
STERLING* PTSUNNY 82 63 52 S5 30.10F HX 83 TC 28
SAVANNA* PTSUNNY 82 59 46 S5 30.10S HX 82 TC 28
ILZ003-004-008-010-011-017-018-301900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 84 59 42 S10G17 30.10F HX 84 TC 29
6HR MIN TEMP: 59; 6HR MAX TEMP: 84;
FREEPORT* MOSUNNY 82 60 47 SW8 30.12S HX 82 TC 28
ROCHELLE* MOSUNNY 82 59 46 SW7 30.11S HX 82 TC 28
DE KALB* MOSUNNY 82 61 49 S9 30.11S HX 82 TC 28
PERU* MOSUNNY 82 64 54 S6 30.10S HX 84 TC 28
ILZ005-006-012>014-019>023-301900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 85 57 38 VRB5 30.07F HX 84 TC 29
6HR MIN TEMP: 66; 6HR MAX TEMP: 85;
CHICAGO-MIDWAY MOSUNNY 83 57 41 CALM 30.07F HX 82 TC 28
6HR MIN TEMP: 66; 6HR MAX TEMP: 84;
AURORA SUNNY 83 59 44 S7 30.09F HX 83 TC 28
JOLIET* SUNNY 84 61 46 SW8 30.09S HX 84 TC 29
WAUKEGAN SUNNY 83 58 42 SW7 30.07S HX 83 TC 28
6HR MIN TEMP: 64; 6HR MAX TEMP: 84;
DUPAGE AIRPORT SUNNY 83 59 44 VRB6 30.08F HX 83 TC 28
6HR MIN TEMP: 62; 6HR MAX TEMP: 83;
KANKAKEE* SUNNY 82 58 45 SW5 30.10F HX 82 TC 28
WHEELING SUNNY 84 55 36 W7 30.09S HX 83 TC 29
6HR MIN TEMP: 64; 6HR MAX TEMP: 84;
LANSING* SUNNY 83 59 43 S5 30.09F HX 83 TC 28
NORTHERLY ISL* N/A 77 64 64 E6 N/A TC 25
LMZ740>746-301900-
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 72 260/ 6/ 8 1017.7 0
WAUKEGAN HARBOR 74 71 1018.5F 0
WILMETTE BUOY 74 150/ 8/ 10 1022.1F 0
CHICAGO BUOY 75 73 120/ 8 1017.7 1/ 3
NORTHERLY ISL 77 80/ 3/ 5 N/A
CALUMET HARBOR 75 70/ 6/ 8 1018.7F
BURNS HARBOR 1019.3F
MICH CITY BUOY 76 74 CALM / 2 N/A 1
ST. JOSEPH BUOY 74 72 260/ 4/ 4 1019.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 80 63 55 VRB5 30.07F HX 81 TC 27
GALESBURG* MOSUNNY 80 62 54 S7 30.09F HX 81 TC 27
MACOMB* MOSUNNY 80 65 61 CALM 30.10F HX 82 TC 27
JACKSONVILLE* MOSUNNY 82 65 57 S3 30.08S HX 83 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-301900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 82 62 50 MISG 30.10F HX 83 TC 28
BLOOMINGTON MOSUNNY 83 62 49 S10 30.11F HX 84 TC 28
DECATUR MOSUNNY 81 61 50 S6 30.09F HX 82 TC 27
PEORIA MOSUNNY 82 62 50 S10G18 30.08F HX 83 TC 28
6HR MIN TEMP: 62; 6HR MAX TEMP: 84;
LACON* MOSUNNY 82 60 47 S7 30.08F HX 82 TC 28
LINCOLN* MOSUNNY 83 64 51 SE5 30.09F HX 85 TC 29
SPRINGFIELD SUNNY 82 63 52 SE7 30.08F HX 83 TC 28
6HR MIN TEMP: 62; 6HR MAX TEMP: 82;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 81 60 48 SE8 30.10F HX 82 TC 27
DANVILLE* N/A 82 60 46 E5 30.11S VSB 1/4 HX 82
MATTOON MOSUNNY 81 60 48 VRB5 30.08F HX 82 TC 27
PARIS* SUNNY 81 58 45 CALM 30.10S HX 81 TC 27
ILZ079-100>102-301900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 82 66 57 E7 30.07F HX 85 TC 28
CAHOKIA* MOSUNNY 85 63 47 CALM 30.05F HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 64 51 CALM 30.04F HX 86 TC 29
CAIRO* SUNNY 85 69 56 CALM 30.04S HX 89 TC 30
EFFINGHAM* PTSUNNY 81 64 55 E5 30.10S HX 82 TC 27
MT. VERNON PTSUNNY 86 63 45 VRB3 30.06F HX 87 TC 30
CENTRALIA* PTSUNNY 85 63 47 CALM 30.07S HX 86 TC 30
SALEM* PTSUNNY 83 64 52 MISG 30.07F HX 84 TC 28
METROPOLIS* SUNNY 85 66 52 E3 30.04F HX 86 TC 29
ILZ067-068-072-073-078-083-087-091-301900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 61 48 CALM 30.07F HX 83 TC 28
FAIRFIELD* CLOUDY 81 61 51 SE3 30.07S HX 81 TC 27
HARRISBURG* MOSUNNY 85 68 56 E5 30.06F HX 88 TC 29
ROBINSON* MOSUNNY 82 64 54 E5 30.07F HX 84 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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