744
ASUS43 KLOT 091001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT WED SEP 09 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.
ILZ001-002-007-009-015-016-024-091100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 71 69 93 W10 30.05R TC 22
STERLING* MOCLDY 71 71 100 W10 30.04R TC 22
SAVANNA* RAIN 71 69 93 SW8 30.03R TC 22
ILZ003-004-008-010-011-017-018-091100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 70 96 S6 30.01S TC 22
FREEPORT* MOCLDY 71 69 95 W7 30.03R TC 22
ILZ005-006-012>014-019>023-091100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 76 64 66 SW8 29.98R TC 24
CHICAGO-MIDWAY CLOUDY 76 64 66 S8 29.98F TC 24
AURORA LGT RAIN 69 67 93 CALM 30.00R TC 21
JOLIET* MOCLDY 75 67 75 SW3 29.99F TC 24
WAUKEGAN LGT RAIN 69 68 96 NW3 29.99R TC 21
DUPAGE AIRPORT LGT RAIN 73 66 78 SW7 30.00R TC 23
KANKAKEE* MOCLDY 71 64 76 S5 30.03F TC 22
WHEELING LGT RAIN 74 67 78 CALM 29.99S TC 23
LANSING* CLOUDY 71 64 80 S3 30.00F TC 22
NORTHERLY ISL* N/A 76 62 62 SW5 N/A TC 24
LMZ740>746-091100-
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 67 63 300/ 2/ 10 1014.7F 1
WAUKEGAN HARBOR 72 71 340/ 6/ 12 1016.1R 1
WILMETTE BUOY 74 200/ 8/ 10 1017.7F 1
CHICAGO BUOY 75 73 1014.0F 1
HARRISON CRIB 76 180/ 13/ 13 N/A
NORTHERLY ISL 76 190/ 4/ 6 N/A
CALUMET HARBOR 170/ 6/ 8 1015.6
MICHIGAN CITY 76 160/ 9/ 11 1014.3F
MICH CITY BUOY 70 69 160/ 10/ 10 N/A 0
ST. JOSEPH BUOY 70 68 150/ 8/ 10 1016.7F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-091100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 74 68 81 E7 30.04S TC 23
MACOMB* MOCLDY 73 72 96 CALM 30.07S TC 23
PITTSFIELD* CLEAR 76 64 66 NE3 30.06R TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-091100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 72 63 73 W6 30.07S TC 22
DECATUR MOCLDY 76 66 71 NW6 30.07R TC 24
PEORIA PTCLDY 74 69 85 CALM 30.03F TC 23
LACON* CLOUDY 74 68 81 W6 30.03R TC 23
LINCOLN* PTCLDY 74 64 69 CALM 30.06R TC 24
SPRINGFIELD PTCLDY 72 63 73 CALM 30.05S TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-091100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 70 65 84 W8 30.08R TC 21
MATTOON PTCLDY 75 69 81 S9 30.05S TC 24
ILZ079-100>102-091100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 75 67 75 S5 30.04S TC 24
CAHOKIA* MOCLDY 73 67 81 CALM 30.04R TC 23
SPARTA* CLEAR 75 69 81 S8 30.06S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* PTCLDY 73 70 91 SE6 30.08S TC 23
MT. VERNON PTCLDY 74 71 91 SW3 30.07S TC 23
CENTRALIA* PTCLDY 76 72 88 S7 30.06S TC 24
SALEM* PTCLDY 77 73 86 MISG 30.06S TC 25
ILZ067-068-072-073-078-083-087-091-091100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 73 70 90 S6 30.08S TC 23
FAIRFIELD* PTCLDY 74 69 86 S3 30.07F TC 23
HARRISBURG* CLEAR 76 71 84 S5 30.09S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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