207
ASUS43 KLOT 120710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT SUN JUL 12 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.
ILZ001-002-007-009-015-016-024-120800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 65 64 97 CALM 30.14S TC 18
STERLING* CLEAR 65 63 93 CALM 30.16S TC 18
SAVANNA* CLEAR 64 63 95 N3 30.16S TC 18
ILZ003-004-008-010-011-017-018-120800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 62 57 83 CALM 30.17S TC 17
FREEPORT* CLEAR 62 61 95 CALM 30.19S TC 17
ROCHELLE* CLEAR 63 56 79 CALM 30.16S TC 17
DE KALB* CLEAR 63 58 83 N5 30.16S TC 17
PERU* CLEAR 66 63 88 N6 30.14R TC 19
ILZ005-006-012>014-019>023-120800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 69 63 81 N3 30.13S TC 21
CHICAGO-MIDWAY CLEAR 72 65 78 N5 30.12S TC 22
AURORA CLEAR 65 59 81 CALM 30.13F TC 18
JOLIET* CLEAR 69 63 81 CALM 30.13S TC 21
WAUKEGAN CLEAR 68 62 81 N7 30.14S TC 20
DUPAGE AIRPORT CLEAR 65 60 84 N3 30.13S TC 18
KANKAKEE* CLEAR 66 65 94 NE7 30.12S TC 19
WHEELING PTCLDY 68 63 84 N5 30.15S TC 20
ROMEOVILLE* CLEAR 70 66 88 NE8 30.13S TC 21
LANSING* CLEAR 70 66 87 N3 30.13S TC 21
NORTHERLY ISL* N/A 72 66 81 N6 N/A TC 22
LMZ740>746-120800-
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 71 70 1019.5 1/ 4
WAUKEGAN HARBOR 72 71 1020.2 1/ 4
WILMETTE BUOY 73 40/ 6/ 8 1023.2R 2/ 4
CHICAGO BUOY 74 72 10/ 2/ 4 1019.0 2/ 4
HARRISON CRIB 75 10/ 8/ 9 N/A
NORTHERLY ISL 72 10/ 7/ 8 N/A
CALUMET HARBOR 74 360/ 3/ 5 1020.0S
BURNS HARBOR 80/ 4/ 5 1020.3S
MICHIGAN CITY 72 60/ 6/ 7 1018.4R
MICH CITY BUOY 74 74 80/ 6/ 8 N/A 2/ 4
ST. JOSEPH BUOY 73 74 80/ 8/ 10 1020.7S 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-120800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 65 93 N6 30.12R TC 19
GALESBURG* CLEAR 63 63 100 CALM 30.16R TC 17
MACOMB* CLEAR 64 64 99 CALM 30.15S TC 18
JACKSONVILLE* CLEAR 66 65 94 CALM 30.11S TC 19
PITTSFIELD* CLEAR 70 63 77 CALM 30.12S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-120800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 67 64 90 MISG 30.12S TC 20
BLOOMINGTON CLEAR 67 65 93 N7 30.13S TC 19
DECATUR CLEAR 69 66 90 NE7 30.09S TC 21
PEORIA CLEAR 67 65 93 CALM 30.13R TC 19
LACON* CLEAR 66 61 82 N3 30.12S TC 19
SPRINGFIELD CLEAR 68 66 93 N3 30.10S TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-120800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 69 66 90 NE9 30.09S TC 21
DANVILLE* CLEAR 67 66 97 N5 30.10S TC 19
MATTOON CLEAR 69 69 100 N5 30.07R FOG TC 21
PARIS* CLEAR 69 69 98 NE5 30.08R TC 21
ILZ079-100>102-120800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 72 70 93 N3 30.08S TC 22
BELLEVILLE CLEAR 73 73 97 N8 30.04S TC 23
CAHOKIA* PTCLDY 71 70 96 CALM 30.06S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 73 73 100 CALM 30.02S TC 23
EFFINGHAM* CLEAR 71 71 100 N5 30.07S TC 22
MARION PTCLDY 71 71 98 CALM 30.04S TC 22
MT. VERNON CLEAR 72 71 97 N3 30.04S TC 22
CENTRALIA* CLEAR 71 71 98 CALM 30.05S TC 22
SALEM* CLEAR 72 72 100 MISG 30.05S TC 22
METROPOLIS* PTCLDY 72 72 100 CALM 30.01F TC 22
ILZ067-068-072-073-078-083-087-091-120800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* CLEAR 72 N/A N/A N6 30.05R TC 22
FAIRFIELD* MOCLDY 72 70 94 N6 30.03S TC 22
HARRISBURG* CLEAR 71 71 100 CALM 30.02F TC 22
ROBINSON* CLEAR 70 70 100 NE3 30.04S FOG TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page