259
ASUS43 KLOT 291701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT WED JUL 29 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.
ILZ001-002-007-009-015-016-024-291800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 80 60 50 E6 30.03R HX 81 TC 27
STERLING* SUNNY 83 60 45 N9 30.04S HX 83 TC 28
SAVANNA* SUNNY 81 59 47 E7 30.04S HX 81 TC 27
ILZ003-004-008-010-011-017-018-291800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 79 53 40 NE8 30.06R TC 26
FREEPORT* SUNNY 79 62 55 NE7 30.07S HX 81 TC 26
DE KALB* SUNNY 77 58 52 N10 30.06R TC 25
ILZ005-006-012>014-019>023-291800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 76 59 55 NE14 30.02R TC 24
CHICAGO-MIDWAY MOSUNNY 76 59 55 NE14 30.02R TC 24
AURORA SUNNY N/A N/A N/A NE6 30.03R
JOLIET* SUNNY 79 60 53 NE12 30.02S HX 80 TC 26
WAUKEGAN SUNNY 74 59 59 N10 30.03S TC 23
DUPAGE AIRPORT SUNNY 77 59 53 N13 30.03R TC 25
KANKAKEE* SUNNY 77 62 60 N14 30.02S TC 25
WHEELING SUNNY 75 60 59 NE10G20 30.05R TC 24
NORTHERLY ISL* N/A 75 62 64 MISG N/A TC 24
LMZ740>746-291800-
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 68 1018.0F 2/ 4
WAUKEGAN HARBOR 69 70 1017.5R 2/ 4
WILMETTE BUOY 69 50/ 10/ 14 1019.8R 2/ 4
CHICAGO BUOY 70 71 360/ 10 1015.9R 2/ 5
HARRISON CRIB 70 10/ 11/ 12 N/A
NORTHERLY ISL 74 10/ 7/ 13 N/A
CALUMET HARBOR 72 350/ 8/ 12 1016.7
BURNS HARBOR 1016.9S
MICHIGAN CITY 73 10/ 7/ 8 1015.1F
MICH CITY BUOY 70 73 10/ 8/ 10 N/A 2/ 5
ST. JOSEPH BUOY 69 71 340/ 8/ 10 1017.2R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-291800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 79 61 53 MISG 30.02R HX 80 TC 26
GALESBURG* SUNNY 80 59 49 E6 30.04S HX 81 TC 27
MACOMB* SUNNY 79 63 57 CALM 30.05S HX 81 TC 26
JACKSONVILLE* SUNNY 80 60 51 N7 30.01S HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-291800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 79 60 52 NE13 30.02S HX 80 TC 26
DECATUR SUNNY 78 64 61 NE5 30.00R HX 80 TC 26
PEORIA SUNNY 80 58 46 NE10 30.02R HX 80 TC 27
LACON* SUNNY 80 58 47 N6 30.01F HX 80 TC 27
LINCOLN* SUNNY 80 63 56 N5 30.01S HX 81 TC 27
SPRINGFIELD SUNNY 78 65 63 N7 30.00S HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 78 66 66 N9 30.00R HX 80 TC 26
DANVILLE* PTSUNNY 79 67 67 N9 30.00S HX 81 TC 26
MATTOON SUNNY 78 66 66 NE10 29.97S HX 80 TC 26
ILZ079-100>102-291800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 66 61 NE7 29.99S HX 83 TC 27
BELLEVILLE SUNNY 81 67 62 NE7 29.95S HX 83 TC 27
CAHOKIA* SUNNY 82 65 56 N9 29.98R HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 64 57 NW7 29.96R HX 82 TC 27
CAIRO* SUNNY 82 70 68 N6 29.94S HX 85 TC 28
EFFINGHAM* SUNNY 78 69 73 NW6 29.99S HX 80 TC 26
MT. VERNON SUNNY 81 63 54 NE7 29.97R HX 82 TC 27
CENTRALIA* SUNNY 80 67 63 CALM 29.98R HX 82 TC 27
SALEM* SUNNY 80 69 70 MISG 29.98R HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-291800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 78 68 71 N7 29.96S HX 80 TC 26
FAIRFIELD* SUNNY 77 68 74 CALM 29.96S TC 25
HARRISBURG* SUNNY 79 68 70 NW5 29.95F HX 81 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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