862
ASUS43 KLOT 302201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-302300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 81 65 58 S6 30.02F HX 83 TC 27
STERLING* PTSUNNY 80 64 58 SE3 30.05F HX 82 TC 27
SAVANNA* PTSUNNY 82 63 52 SE7 30.04F HX 83 TC 28
ILZ003-004-008-010-011-017-018-302300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 83 60 45 VRB5 30.06F HX 83 TC 28
FREEPORT* PTSUNNY 82 65 56 SE7 30.07F HX 83 TC 28
ILZ005-006-012>014-019>023-302300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 86 58 38 SW6 30.03F HX 85 TC 30
CHICAGO-MIDWAY PTSUNNY 85 58 39 W8 30.03F HX 84 TC 29
AURORA PTSUNNY 81 61 50 SW5 30.05F HX 82 TC 27
JOLIET* PTSUNNY 84 63 49 S3 30.05F HX 84 TC 29
WAUKEGAN MOSUNNY 80 58 46 SE9 30.04S HX 80 TC 27
DUPAGE AIRPORT MOSUNNY 83 61 47 SW6 30.04F HX 83 TC 28
KANKAKEE* MOSUNNY 82 61 49 S3 30.06F HX 82 TC 28
WHEELING MOSUNNY 85 59 41 E8 30.04F HX 84 TC 29
LANSING* MOSUNNY 83 60 45 SW6 30.04F HX 83 TC 29
NORTHERLY ISL* N/A 77 66 68 E6 N/A TC 25
LMZ740>746-302300-
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 74 130/ 8/ 10 1017.0R 1
WAUKEGAN HARBOR 74 73 170/ 4/ 8 1017.7F 1
WILMETTE BUOY 75 130/ 8/ 12 1020.7F 1
CHICAGO BUOY 72 N/A
HARRISON CRIB 77 100/ 11/ 11 N/A
NORTHERLY ISL 78 50/ 3/ 6 N/A
CALUMET HARBOR 77 80/ 7/ 10 1017.6
BURNS HARBOR 1017.9F
MICHIGAN CITY 77 60/ 8/ 9 1016.2F
MICH CITY BUOY 76 74 80/ 8/ 10 N/A 1
ST. JOSEPH BUOY 75 77 CALM / 2 1018.9F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-302300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 81 65 58 S5 30.02S HX 83 TC 27
GALESBURG* PTSUNNY 83 64 53 E6 30.04F HX 84 TC 28
MACOMB* MOSUNNY 82 68 63 CALM 30.05S HX 84 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-302300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 82 61 48 VRB6 30.06F HX 83 TC 28
DECATUR MOSUNNY 83 62 49 E5 30.05F HX 84 TC 28
PEORIA MOSUNNY 82 62 50 S6 30.03F HX 83 TC 28
LINCOLN* MOSUNNY 85 64 47 SE5 30.04S HX 86 TC 30
SPRINGFIELD PTSUNNY 83 65 54 SE7 30.03F HX 85 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-302300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 83 62 49 VRB3 30.06F HX 84 TC 28
MATTOON MOSUNNY 82 60 47 SE7 30.05S HX 82 TC 28
ILZ079-100>102-302300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTSUNNY 85 67 54 SE6 30.00S HX 87 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOSUNNY 81 68 64 CALM 30.06S HX 83 TC 27
MT. VERNON SUNNY 86 62 44 NE8 30.02F HX 86 TC 30
CENTRALIA* SUNNY 86 64 46 CALM 30.02F HX 87 TC 30
SALEM* SUNNY 84 66 54 MISG 30.03S HX 86 TC 29
ILZ067-068-072-073-078-083-087-091-302300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 83 61 47 E6 30.03F HX 83 TC 28
FAIRFIELD* CLOUDY 83 63 49 NE3 30.03F HX 84 TC 29
HARRISBURG* MOSUNNY 83 65 54 E5 30.02F HX 85 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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