766
ASUS43 KLOT 270101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SUN JUL 26 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.
ILZ001-002-007-009-015-016-024-270200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 86 81 85 SW3 29.84S HX 102 TC 30
STERLING* MOCLDY 85 83 94 CALM 29.85S HX 104 TC 29
SAVANNA* MOCLDY 86 82 87 CALM 29.84S HX 102 TC 30
ILZ003-004-008-010-011-017-018-270200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 84 80 88 S7 29.86S HX 97 TC 29
FREEPORT* PTCLDY 85 83 94 SW3 29.87S HX 102 TC 29
ILZ005-006-012>014-019>023-270200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 88 75 65 SW6 29.84S HX 97 TC 31
CHICAGO-MIDWAY MOCLDY 86 75 69 SW10 29.84S HX 95 TC 30
AURORA PTCLDY 84 79 85 S5 29.85S HAZE HX 96
JOLIET* PTCLDY 85 80 84 SW3 29.85F HX 99 TC 30
WAUKEGAN PTCLDY 81 72 74 S5 29.83F HX 85 TC 27
DUPAGE AIRPORT PTCLDY 84 77 79 SW7 29.85S HX 94 TC 29
KANKAKEE* PTCLDY 82 77 86 SW5 29.88S HX 89 TC 28
WHEELING MOCLDY 88 74 63 W5 29.85S HX 96 TC 31
LANSING* PTCLDY 82 74 76 S5 29.87S HX 88 TC 28
NORTHERLY ISL* N/A 79 73 82 CALM N/A HX 82 TC 26
LMZ740>746-270200-
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 75 73 1010.7F 1
WAUKEGAN HARBOR 75 74 1011.7F 1
WILMETTE BUOY 77 160/ 4/ 6 1014.1F 1
CHICAGO BUOY 78 75 130/ 6 1009.8F 1
HARRISON CRIB 81 130/ 14/ 14 N/A
NORTHERLY ISL 79 40/ 2/ 5 N/A
CALUMET HARBOR 86 190/ 5/ 9 1010.9
BURNS HARBOR 1011.5S
MICHIGAN CITY 84 200/ 6/ 7 1009.0S
MICH CITY BUOY 80 75 190/ 4/ 4 N/A 0
ST. JOSEPH BUOY 80 74 150/ 2/ 2 1012.0R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-270200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 88 83 85 S3 29.86S HX 109 TC 31
MACOMB* MOCLDY 88 87 99 CALM 29.87S HX 119 TC 31
ILZ028>032-037-038-041>044-048-051>054-059>061-270200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 81 81 100 SE8 29.89S FOG HX 92
DECATUR MOCLDY 82 80 94 E5 29.87S FOG HX 94
PEORIA MOCLDY 87 82 85 CALM 29.85S HX 106 TC 31
LINCOLN* MOCLDY 85 85 100 E3 29.87R HX 110 TC 30
SPRINGFIELD PTCLDY 87 84 90 CALM 29.85S HX 110 TC 31
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 79 78 97 SE3 29.89R FOG HX 83
DANVILLE* CLOUDY 80 76 89 CALM 29.89F HX 85 TC 27
MATTOON PTCLDY 80 78 94 CALM 29.87R FOG HX 88
ILZ079-100>102-270200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 88 81 79 W5 29.85F HX 105 TC 31
CAHOKIA* CLEAR 91 78 65 W6 29.84S HX 106 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 90 82 79 SW6 29.86R HX 111 TC 32
CAIRO* CLEAR 89 83 83 CALM 29.88R HX 112 TC 32
EFFINGHAM* PTCLDY 82 82 99 CALM 29.88R FOG HX 96
MARION PTCLDY 90 84 82 SW5 29.88R HX 114 TC 32
MT. VERNON PTCLDY 78 75 90 CALM 29.87R HX 81 TC 26
CENTRALIA* CLEAR 83 75 75 CALM 29.87R HX 90 TC 29
SALEM* CLEAR 82 75 78 MISG 29.86R HX 89 TC 28
ILZ067-068-072-073-078-083-087-091-270200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* PTCLDY 77 75 94 CALM 29.87R TC 25
FAIRFIELD* PTCLDY 76 72 86 CALM 29.87R TC 25
HARRISBURG* TSTM 79 71 76 E13G49 29.87 VSB 1/2 HX 82
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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