491
ASUS43 KLOT 101110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT THU SEP 10 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.
ILZ001-002-007-009-015-016-024-101200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 69 65 86 CALM 30.01S TC 21
STERLING* FOG 66 66 100 CALM 30.03F VSB 1/4 TC 19
SAVANNA* FOG 61 60 97 CALM 30.03S VSB 1 TC 16
ILZ003-004-008-010-011-017-018-101200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 61 61 100 CALM 30.04S TC 16
FREEPORT* PTCLDY 61 59 94 CALM 30.05S TC 16
ROCHELLE* FOG 61 59 94 CALM 30.04S VSB 1/2 TC 16
DE KALB* PTCLDY 64 64 100 NW5 30.04S TC 18
PERU* PTCLDY 68 68 100 CALM 30.02S FOG TC 20
ILZ005-006-012>014-019>023-101200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 67 65 93 NW5 30.01R TC 19
CHICAGO-MIDWAY MOCLDY 68 67 96 NW3 30.01R TC 20
AURORA FOG 61 61 100 NW3 30.02R VSB 1/4 TC 16
JOLIET* PTCLDY 67 67 100 CALM 30.01F FOG TC 20
WAUKEGAN PTCLDY 63 60 90 NW6 30.01R TC 17
DUPAGE AIRPORT FOG 65 64 97 CALM 30.02S VSB 1/2 TC 18
KANKAKEE* MOCLDY 66 65 94 NW3 30.02S TC 19
WHEELING PTCLDY 65 63 93 CALM 30.03R TC 18
ROMEOVILLE* FOG 68 68 100 NW3 30.02R VSB 0 TC 20
LANSING* MOCLDY 66 66 100 CALM 30.01R FOG TC 19
NORTHERLY ISL* N/A 70 62 76 NW3 N/A TC 21
LMZ740>746-101200-
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 66 65 290/ 4/ 6 1011.0 0
WAUKEGAN HARBOR 66 62 290/ 6/ 8 1016.4 0
WILMETTE BUOY 71 330/ 8/ 12 1018.6R 1
CHICAGO BUOY 72 72 1015.1 0
HARRISON CRIB 71 310/ 8/ 8 N/A
NORTHERLY ISL 70 290/ 3/ 7 N/A
CALUMET HARBOR 69 250/ 2/ 3 1016.0R
MICHIGAN CITY 70 240/ 7/ 7 1014.6R
MICH CITY BUOY 72 71 320/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 72 71 340/ 6/ 8 1016.3R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-101200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 70 70 100 SW9 30.06R TC 21
GALESBURG* CLOUDY 68 68 100 N3 30.03S TC 20
MACOMB* CLOUDY 67 67 100 NW3 30.04S TC 19
JACKSONVILLE* CLOUDY 68 68 100 CALM 30.03S TC 20
PITTSFIELD* RAIN 71 70 98 CALM 30.03F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-101200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 67 67 100 N3 30.01S TC 19
BLOOMINGTON PTCLDY 67 67 100 CALM 30.03S TC 19
DECATUR MOCLDY 68 67 96 S5 30.03R TC 20
PEORIA CLOUDY 68 67 96 CALM 30.02R TC 20
LACON* MOCLDY 68 66 94 CALM 30.01R TC 20
LINCOLN* CLOUDY 68 68 100 CALM 30.03R TC 20
SPRINGFIELD LGT RAIN 69 67 93 CALM 30.03R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-101200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 65 64 97 CALM 30.04R TC 18
RANTOUL* PTCLDY 65 65 99 CALM 30.03S TC 18
MATTOON MOCLDY 67 66 97 W3 30.03R TC 19
PARIS* MOCLDY 66 65 97 CALM 30.03R TC 19
ILZ079-100>102-101200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 68 96 S3 30.03S TC 21
CAHOKIA* MOCLDY 70 69 97 NW5 30.03R TC 21
SPARTA* CLOUDY 70 70 100 N5 30.04R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-101200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 77 76 96 CALM 30.02S TC 25
EFFINGHAM* PTCLDY 68 66 94 CALM 30.04S TC 20
MARION CLOUDY 73 73 100 N6 30.01R TC 23
MT. VERNON PTCLDY 71 70 96 CALM 30.03S TC 22
CENTRALIA* MOCLDY 70 69 98 CALM 30.03F TC 21
SALEM* CLOUDY 70 70 100 MISG 30.03F TC 21
METROPOLIS* MOCLDY 76 71 87 CALM 30.03S TC 24
ILZ067-068-072-073-078-083-087-091-101200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 71 70 96 SW5 30.02R TC 22
FLORA* MOCLDY 70 N/A N/A W5 30.04R TC 21
FAIRFIELD* MOCLDY 71 70 98 CALM 30.01F TC 22
HARRISBURG* RAIN 72 72 100 SE6 30.01F TC 22
ROBINSON* MOCLDY 70 70 100 NW6 30.02R 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