611
ASUS43 KLOT 310912
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT FRI JUL 31 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.
ILZ001-002-007-009-015-016-024-311000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 65 84 SE7 29.94F TC 21
STERLING* MOCLDY 67 65 93 SE3 29.98F TC 19
SAVANNA* CLOUDY 69 63 81 CALM 29.98S TC 20
ILZ003-004-008-010-011-017-018-311000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 65 61 87 CALM 30.01S TC 18
FREEPORT* MOCLDY 65 64 95 SE6 30.01S TC 19
ROCHELLE* MOCLDY 63 60 92 S3 30.00S TC 17
DE KALB* PTCLDY 62 61 97 CALM 30.02S TC 17
ILZ005-006-012>014-019>023-311000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 71 62 73 SW5 29.99F TC 22
CHICAGO-MIDWAY MOCLDY 71 62 73 S3 30.00F TC 22
AURORA PTCLDY 63 61 93 E3 30.00S TC 17
JOLIET* PTCLDY 66 65 97 CALM 30.01S TC 19
WAUKEGAN PTCLDY 64 62 93 CALM 30.00S TC 18
DUPAGE AIRPORT PTCLDY 66 63 90 CALM 30.00F TC 19
KANKAKEE* MOCLDY 65 64 95 SE3 30.02F TC 18
WHEELING PTCLDY 69 63 81 CALM 30.01F TC 21
ROMEOVILLE* CLOUDY 66 66 100 SE5 30.02S TC 19
LANSING* CLEAR 64 63 97 CALM 30.02S TC 18
NORTHERLY ISL* N/A 73 59 61 SW3 N/A TC 23
LMZ740>746-311000-
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 70 150/ 2/ 2 1015.3 1
WAUKEGAN HARBOR 70 70 240/ 2/ 2 1016.2 0
WILMETTE BUOY 72 210/ 4/ 6 1018.6F 0
CHICAGO BUOY 74 72 1014.9 0
HARRISON CRIB 75 190/ 8/ 8 N/A
NORTHERLY ISL 73 190/ 4/ 5 N/A
CALUMET HARBOR 70 CALM / 1 1016.3F
BURNS HARBOR 1016.9F
MICHIGAN CITY 70 140/ 6/ 8 1015.0F
MICH CITY BUOY 72 73 160/ 6/ 8 N/A 0
ST. JOSEPH BUOY 72 72 160/ 4/ 6 1017.1F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 65 78 SE10 29.93F TC 22
GALESBURG* CLOUDY 69 63 82 SE3 29.97F TC 21
MACOMB* CLOUDY 69 67 93 CALM 29.97F TC 21
JACKSONVILLE* MOCLDY 72 63 73 SE9 29.97F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-311000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 63 63 99 SE5 30.01S TC 17
BLOOMINGTON MOCLDY 67 64 90 S6 30.02F TC 19
DECATUR CLOUDY 68 61 78 S7 30.01F TC 20
PEORIA MOCLDY 71 61 70 SE5 29.98F TC 22
LACON* MOCLDY 69 61 75 SW5 29.98S TC 21
LINCOLN* MOCLDY 68 64 86 CALM 29.99F TC 20
SPRINGFIELD MOCLDY 72 61 68 S10 29.99F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 64 64 100 E5 30.01F TC 18
DANVILLE* N/A 65 64 97 E3 30.03F TC 18
MATTOON MOCLDY 65 63 93 SE5 30.01F TC 18
PARIS* PTCLDY 64 63 97 CALM 30.02F TC 18
ILZ079-100>102-311000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 68 64 88 SE3 29.99F TC 20
BELLEVILLE CLEAR 70 69 97 SE3 29.97S TC 21
CAHOKIA* PTCLDY 71 66 84 S6 29.98S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 67 67 100 CALM 30.00F TC 19
EFFINGHAM* MOCLDY 65 65 100 CALM 30.03S TC 19
MARION CLEAR 68 64 88 SE3 30.02S TC 20
MT. VERNON PTCLDY 63 62 97 CALM 30.01F TC 17
CENTRALIA* PTCLDY 67 64 87 CALM 30.01S TC 20
SALEM* PTCLDY 71 64 81 MISG 30.01S TC 21
METROPOLIS* PTCLDY 64 64 97 CALM 30.01S TC 18
ILZ067-068-072-073-078-083-087-091-311000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 67 66 97 CALM 30.01F TC 19
FAIRFIELD* PTCLDY 64 62 96 CALM 30.01F TC 18
HARRISBURG* CLEAR 64 64 100 CALM 30.01F TC 18
ROBINSON* MOCLDY 64 64 100 NW1 30.01S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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