431
ASUS43 KLOT 302001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-302100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 62 50 SE8 30.06F HX 83 TC 28
STERLING* PTSUNNY 83 62 49 VRB5 30.08F HX 84 TC 28
SAVANNA* PTSUNNY 82 63 51 SW5 30.07F HX 83 TC 28
ILZ003-004-008-010-011-017-018-302100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 82 60 47 S8 30.09S HX 82 TC 28
FREEPORT* PTSUNNY 82 64 54 W6 30.11S HX 83 TC 28
ILZ005-006-012>014-019>023-302100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 86 56 35 NW5 30.05F HX 85 TC 30
CHICAGO-MIDWAY PTSUNNY 86 59 39 NW7 30.06F HX 85 TC 30
AURORA MOSUNNY 84 61 45 SW7 30.07F HX 84 TC 29
JOLIET* MOSUNNY 85 61 43 CALM 30.08S HX 85 TC 30
WAUKEGAN MOSUNNY 82 64 54 VRB6 30.06F HX 83 TC 28
DUPAGE AIRPORT MOSUNNY 84 61 45 SW7 30.07F HX 84 TC 29
KANKAKEE* MOSUNNY 82 60 46 SW3 30.09S HX 83 TC 28
WHEELING MOSUNNY 85 56 37 N5 30.07F HX 84 TC 29
LANSING* MOSUNNY 84 60 44 SW7 30.08S HX 84 TC 29
NORTHERLY ISL* N/A 78 66 66 E6 N/A HX 80 TC 26
LMZ740>746-302100-
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 80/ 6/ 8 1017.4F 0
WAUKEGAN HARBOR 74 72 170/ 6/ 8 1018.4F 0
WILMETTE BUOY 74 130/ 6/ 8 1021.9F 1
CHICAGO BUOY 76 73 100/ 8 1017.0F 1
HARRISON CRIB 76 110/ 11/ 11 N/A
NORTHERLY ISL 78 70/ 4/ 6 N/A
CALUMET HARBOR 78 40/ 6/ 9 1018.2
BURNS HARBOR 1019.0F
MICHIGAN CITY 76 30/ 5/ 5 1017.2F
MICH CITY BUOY 76 74 40/ 4/ 6 N/A 1
ST. JOSEPH BUOY 75 72 290/ 2/ 4 1019.7F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-302100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 82 63 52 SE5 30.04F HX 83 TC 28
GALESBURG* PTSUNNY 80 65 59 S6 30.08S HX 82 TC 27
MACOMB* PTSUNNY 81 66 61 CALM 30.08S HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-302100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 84 60 44 E5 30.09F HX 84 TC 29
DECATUR PTSUNNY 82 62 50 S6 30.07F HX 83 TC 28
PEORIA PTSUNNY 84 62 47 S9 30.06F HX 85 TC 29
LINCOLN* MOSUNNY 85 63 46 SE6 30.07S HX 86 TC 30
SPRINGFIELD MOSUNNY 84 63 49 SE7 30.06F HX 85 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-302100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 82 60 47 E6 30.08F HX 82 TC 28
MATTOON MOSUNNY 83 62 49 SE7 30.06F HX 84 TC 28
ILZ079-100>102-302100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE SUNNY 87 69 55 S7 30.01F HX 91 TC 31
CAHOKIA* SUNNY 87 67 51 SE5 30.02F HX 90 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 88 66 48 VRB3 30.02F HX 90 TC 31
EFFINGHAM* MOSUNNY 82 64 55 E3 30.08F HX 83 TC 28
MT. VERNON MOSUNNY 86 62 44 VRB6 30.04F HX 86 TC 30
CENTRALIA* MOSUNNY 88 62 41 CALM 30.04F HX 88 TC 31
SALEM* SUNNY 85 66 51 MISG 30.05F HX 87 TC 30
ILZ067-068-072-073-078-083-087-091-302100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 61 48 E5 30.06S HX 83 TC 28
FAIRFIELD* MOSUNNY 82 63 51 E3 30.05F HX 83 TC 28
HARRISBURG* MOSUNNY 85 67 54 SE7 30.04F HX 88 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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