837
ASUS43 KLOT 110712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT FRI SEP 11 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.
ILZ001-002-007-009-015-016-024-110800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 59 58 96 CALM 30.01R TC 15
STERLING* CLEAR 60 60 100 E5 30.03S TC 16
SAVANNA* CLEAR 59 57 93 NE3 30.03R TC 15
ILZ003-004-008-010-011-017-018-110800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 60 56 86 SE3 30.04F TC 16
FREEPORT* CLEAR 61 59 94 S3 30.05R TC 16
ROCHELLE* CLEAR 56 55 94 CALM 30.04F TC 14
DE KALB* CLEAR 56 55 97 CALM 30.06R TC 13
PERU* PTCLDY 63 57 82 CALM 30.03S TC 17
ILZ005-006-012>014-019>023-110800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 58 83 CALM 30.02F TC 17
CHICAGO-MIDWAY CLEAR 65 60 84 SE3 30.03F TC 18
AURORA CLEAR 56 55 97 CALM 30.04S TC 13
JOLIET* CLEAR 58 58 99 CALM 30.04S TC 15
WAUKEGAN PTCLDY 59 59 100 CALM 30.04S TC 15
DUPAGE AIRPORT CLEAR 58 54 86 CALM 30.04S TC 14
KANKAKEE* CLEAR 59 57 94 CALM 30.05F TC 15
WHEELING PTCLDY 59 58 96 CALM 30.05S TC 15
ROMEOVILLE* PTCLDY 61 59 94 CALM 30.04F TC 16
LANSING* CLEAR 55 55 99 CALM 30.04F TC 13
NORTHERLY ISL* N/A 67 57 70 E7 N/A TC 19
LMZ740>746-110800-
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 69 66 110/ 8/ 10 1016.3 1/ 4
WAUKEGAN HARBOR 70 69 100/ 6/ 6 1017.4 1/ 2
WILMETTE BUOY 71 130/ 8/ 10 1019.7F 1/ 3
CHICAGO BUOY 71 71 1016.1 1/ 3
HARRISON CRIB 70 130/ 7/ 8 N/A
NORTHERLY ISL 67 120/ 6/ 6 N/A
CALUMET HARBOR 69 80/ 6/ 8 1017.2F
MICHIGAN CITY 63 110/ 1/ 2 1016.3F
MICH CITY BUOY 67 68 100/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 65 70 80/ 4/ 6 1018.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-110800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FOG 62 62 100 NE5 30.00 VSB 1/4 TC 17
GALESBURG* PTCLDY 59 59 100 CALM 30.02F FOG TC 15
MACOMB* FOG 62 62 100 CALM 30.03F VSB 1/4 TC 17
JACKSONVILLE* CLOUDY 65 65 100 CALM 29.99F VSB 1/4 TC 18
PITTSFIELD* CLOUDY 68 68 99 CALM 30.00F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-110800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 61 61 100 SE5 30.03F TC 16
BLOOMINGTON CLEAR 61 61 100 E5 30.03F TC 16
DECATUR CLOUDY 68 66 93 E5 30.01F TC 20
PEORIA CLEAR 64 64 100 NE3 30.01F TC 18
LACON* CLEAR 64 62 93 CALM 30.02S TC 18
LINCOLN* CLOUDY 68 68 100 NE3 30.01S TC 20
SPRINGFIELD PTCLDY 67 67 100 CALM 29.99F TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-110800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 63 93 NE7 30.02F TC 18
RANTOUL* CLEAR 63 63 100 NE3 30.03F TC 17
MATTOON PTCLDY 65 65 100 N5 29.99F FOG TC 18
PARIS* CLEAR 65 64 97 NE5 30.01F TC 18
ILZ079-100>102-110800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 68 98 CALM 29.99S TC 20
BELLEVILLE CLEAR 70 69 97 CALM 29.96S TC 21
CAHOKIA* PTCLDY 69 68 96 CALM 29.97F FOG TC 21
SPARTA* PTCLDY 69 69 100 CALM 29.99S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 71 71 98 CALM 29.96F TC 22
EFFINGHAM* MOCLDY 69 67 94 CALM 30.00S FOG TC 20
MARION CLOUDY 73 73 100 SE2 29.98S TC 23
MT. VERNON PTCLDY 69 69 100 CALM 29.98F TC 21
CENTRALIA* FOG 68 68 98 CALM 29.98F VSB 1/4 TC 20
SALEM* PTCLDY 71 71 100 MISG 29.98S FOG TC 22
METROPOLIS* LGT RAIN 74 73 97 SW12 30.01R TC 24
ILZ067-068-072-073-078-083-087-091-110800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 70 96 NE5 29.97F FOG TC 22
FLORA* MOCLDY 70 N/A N/A CALM 29.99R FOG TC 21
FAIRFIELD* MOCLDY 69 68 94 CALM 29.98S TC 21
HARRISBURG* CLOUDY 73 73 100 CALM 29.98R TC 23
ROBINSON* MOCLDY 70 70 100 NE1 29.98R FOG TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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