171
ASUS43 KLOT 301306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-301400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 66 61 84 E3 30.08R TC 19
STERLING* SUNNY 66 61 84 CALM 30.11R TC 19
SAVANNA* SUNNY 65 60 81 CALM 30.09R TC 19
ILZ003-004-008-010-011-017-018-301400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 65 57 75 CALM 30.11R TC 18
FREEPORT* SUNNY 65 64 95 CALM 30.12R TC 18
ROCHELLE* SUNNY 65 54 65 CALM 30.11R TC 19
DE KALB* SUNNY 69 58 70 CALM 30.11R TC 20
PERU* SUNNY 68 57 68 CALM 30.10R TC 20
ILZ005-006-012>014-019>023-301400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 71 56 58 W5 30.08R TC 22
CHICAGO-MIDWAY MOSUNNY 71 60 68 SW3 30.08R TC 22
AURORA SUNNY 66 59 78 CALM 30.09R TC 19
JOLIET* SUNNY 70 61 73 CALM 30.10S TC 21
WAUKEGAN SUNNY 69 57 65 CALM 30.08R TC 21
DUPAGE AIRPORT SUNNY 68 58 70 CALM 30.09R TC 20
KANKAKEE* SUNNY 67 65 93 CALM 30.10R TC 20
WHEELING MOSUNNY 70 57 63 CALM 30.10R TC 21
LANSING* SUNNY 68 63 83 CALM 30.10R TC 20
NORTHERLY ISL* N/A 75 56 51 W2 N/A TC 24
LMZ740>746-301400-
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 69 1017.8 1
WAUKEGAN HARBOR 71 70 1018.7 1
WILMETTE BUOY 69 320/ 4/ 6 1021.6R 1
CHICAGO BUOY 73 71 270/ 2 1017.7 1/ 4
NORTHERLY ISL 72 260/ 4/ 5 N/A
CALUMET HARBOR 71 260/ 1/ 2 1018.6R
BURNS HARBOR 1019.3R
MICH CITY BUOY 72 72 320/ 4/ 6 N/A 1/ 4
ST. JOSEPH BUOY 71 70 350/ 2/ 2 1019.2R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 68 63 84 SE7 30.07R TC 20
GALESBURG* SUNNY 67 60 77 E3 30.10R TC 20
MACOMB* SUNNY 65 64 97 CALM 30.10S TC 18
JACKSONVILLE* SUNNY 66 66 100 E5 30.08S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-301400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 68 64 86 MISG 30.10S TC 20
BLOOMINGTON SUNNY 65 64 97 VRB5 30.11R TC 18
DECATUR SUNNY 67 63 87 E6 30.09R TC 19
PEORIA SUNNY 68 60 75 E5 30.09R TC 20
LACON* SUNNY 65 59 81 CALM 30.09R TC 18
LINCOLN* SUNNY 66 65 95 NE3 30.09S TC 19
SPRINGFIELD SUNNY 67 62 84 VRB3 30.08R TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 68 62 81 E8 30.09R TC 20
DANVILLE* N/A 68 63 83 E5 30.10R TC 20
MATTOON SUNNY 69 64 84 CALM 30.07R TC 21
PARIS* SUNNY 68 63 85 E5 30.09R TC 20
ILZ079-100>102-301400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 70 64 83 E5 30.06R TC 21
BELLEVILLE SUNNY 71 69 90 NE6 30.03S TC 22
CAHOKIA* SUNNY 72 66 81 CALM 30.05R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 70 66 88 E3 30.04R TC 21
CAIRO* SUNNY 73 71 93 CALM 30.04R TC 23
EFFINGHAM* SUNNY 70 66 88 E3 30.09R TC 21
MT. VERNON SUNNY 71 66 84 NE6 30.06R TC 22
CENTRALIA* SUNNY 71 66 85 CALM 30.06S TC 22
SALEM* SUNNY 71 65 81 MISG 30.06S TC 22
METROPOLIS* SUNNY 72 71 98 CALM 30.04R TC 22
ILZ067-068-072-073-078-083-087-091-301400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 69 65 86 E6 30.07R TC 21
FAIRFIELD* SUNNY 70 65 84 CALM 30.06R TC 21
HARRISBURG* SUNNY 72 69 90 CALM 30.05S TC 22
ROBINSON* SUNNY 68 66 94 NE2 30.07R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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