Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 110506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT FRI SEP 11 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-110600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 60 59 96 CALM 30.01S TC 16
STERLING* CLEAR 62 61 96 E3 30.03S TC 17
SAVANNA* CLEAR 60 59 96 CALM 30.03R TC 16
$$
ILZ003-004-008-010-011-017-018-110600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 62 57 83 SE3 30.05R TC 17
FREEPORT* MOCLDY 59 58 95 CALM 30.05R TC 15
ROCHELLE* CLEAR 58 56 94 S5 30.04S TC 15
DE KALB* CLEAR 60 55 86 SE6 30.05S TC 15
$$
ILZ005-006-012>014-019>023-110600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 57 75 CALM 30.04R TC 18
CHICAGO-MIDWAY CLEAR 67 60 78 CALM 30.04R TC 19
AURORA CLEAR 57 56 96 CALM 30.04R TC 14
JOLIET* CLEAR 64 61 88 CALM 30.04R TC 18
WAUKEGAN CLEAR 59 59 100 CALM 30.04R TC 15
DUPAGE AIRPORT CLEAR 59 55 87 CALM 30.05R TC 15
KANKAKEE* CLEAR 62 58 86 CALM 30.04S TC 17
WHEELING CLEAR 62 59 90 CALM 30.05S TC 17
ROMEOVILLE* PTCLDY 63 61 94 CALM 30.05R TC 17
LANSING* CLEAR 57 56 94 CALM 30.04S TC 14
NORTHERLY ISL* N/A 67 62 84 E5 N/A TC 19
$$
LMZ740>746-110600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 69 67 120/ 4/ 6 1016.6R 1/ 2
WAUKEGAN HARBOR 70 70 100/ 4/ 8 1017.4R 1/ 2
WILMETTE BUOY 71 120/ 6/ 10 1019.9R 1/ 3
CHICAGO BUOY 71 71 1016.4R 1/ 3
HARRISON CRIB 71 140/ 9/ 10 N/A
NORTHERLY ISL 68 120/ 4/ 8 N/A
CALUMET HARBOR 68 120/ 2/ 3 1017.0
MICHIGAN CITY 65 110/ 3/ 4 1015.8F
MICH CITY BUOY 66 68 110/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 67 70 80/ 4/ 6 1017.8S 1/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-110600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 65 100 NE5 30.00S FOG TC 18
GALESBURG* CLEAR 61 61 100 CALM 30.02F TC 16
MACOMB* FOG 62 62 100 CALM 30.03S VSB 1/4 TC 17
JACKSONVILLE* CLOUDY 65 65 100 CALM 30.00S VSB 1/2 TC 18
PITTSFIELD* CLOUDY 68 67 98 CALM 30.01S TC 20
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-110600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 62 62 100 E3 30.04R TC 17
BLOOMINGTON CLEAR 63 63 100 E6 30.04R FOG TC 17
DECATUR MOCLDY 68 66 93 CALM 30.02S TC 20
PEORIA CLEAR 66 65 96 CALM 30.02R TC 19
LACON* PTCLDY 65 63 96 CALM 30.01S TC 18
LINCOLN* CLEAR 65 65 100 CALM 30.01S TC 19
SPRINGFIELD MOCLDY 67 66 97 CALM 30.00S TC 19
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-110600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 63 96 E5 30.03R TC 18
RANTOUL* CLEAR 64 64 99 E5 30.03S TC 18
MATTOON PTCLDY 67 67 100 CALM 30.01R FOG TC 19
PARIS* PTCLDY 64 63 97 CALM 30.02S TC 18
$$
ILZ079-100>102-110600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 68 98 CALM 30.00S FOG TC 21
CAHOKIA* PTCLDY 70 69 97 CALM 29.98S FOG TC 21
SPARTA* PTCLDY 71 71 100 CALM 30.00S TC 22
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-110600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 77 74 90 CALM 29.97R TC 25
EFFINGHAM* MOCLDY 71 69 94 CALM 30.02S TC 22
MARION CLOUDY 73 73 100 NE1 29.98S TC 23
MT. VERNON MOCLDY 72 70 93 N3 29.99F TC 22
CENTRALIA* PTCLDY 71 70 97 CALM 29.99F FOG TC 22
SALEM* MOCLDY 73 72 98 MISG 30.00S TC 23
METROPOLIS* CLOUDY 76 70 83 CALM 29.97S TC 24
$$
ILZ067-068-072-073-078-083-087-091-110600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 70 96 N5 29.98F TC 22
FLORA* MOCLDY 72 N/A N/A CALM 30.00S TC 22
FAIRFIELD* MOCLDY 72 69 89 CALM 29.99R TC 22
HARRISBURG* MOCLDY 73 73 98 CALM 29.99S TC 23
ROBINSON* MOCLDY 72 72 100 N3 29.99S FOG TC 22
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$