611
ASUS43 KLOT 100310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM 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.
ILZ001-002-007-009-015-016-024-100400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 69 97 CALM 30.02S TC 21
STERLING* PTCLDY 69 69 100 SW3 30.03R TC 21
SAVANNA* PTCLDY 71 68 90 CALM 30.02S TC 22
ILZ003-004-008-010-011-017-018-100400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 71 69 93 SW6 30.02R TC 22
FREEPORT* PTCLDY 71 69 95 SW6 30.04R TC 22
ROCHELLE* PTCLDY 65 64 94 CALM 30.04R TC 19
DE KALB* CLEAR 69 69 100 SW8 30.04R TC 21
PERU* PTCLDY 72 70 94 SW5 30.03S TC 22
ILZ005-006-012>014-019>023-100400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 69 90 SW6 30.00R TC 22
CHICAGO-MIDWAY PTCLDY 73 69 87 SW9 30.01R TC 23
AURORA CLEAR 69 68 96 W6 30.02R TC 21
JOLIET* PTCLDY 74 72 93 CALM 30.02R TC 23
WAUKEGAN CLEAR 69 68 96 SW7 29.99R TC 21
DUPAGE AIRPORT CLEAR 71 69 93 W7 30.02R TC 22
KANKAKEE* PTCLDY 70 68 95 SW5 30.04S TC 21
WHEELING CLEAR 73 68 84 SW3 30.01R TC 23
ROMEOVILLE* PTCLDY 72 72 100 W6 30.03R TC 22
LANSING* PTCLDY 69 68 96 SW6 30.02R TC 21
NORTHERLY ISL* N/A 74 67 78 W8 N/A TC 23
LMZ740>746-100400-
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 70 65 200/ 6/ 8 1012.7 0
WAUKEGAN HARBOR 67 60 200/ 6/ 6 1015.7 0
WILMETTE BUOY 73 250/ 6/ 8 1018.4R 0
CHICAGO BUOY 75 72 1014.8 1
HARRISON CRIB 76 260/ 13/ 14 N/A
NORTHERLY ISL 75 280/ 3/ 8 N/A
CALUMET HARBOR 74 230/ 3/ 6 1015.9
MICHIGAN CITY 73 210/ 10/ 11 1014.2R
MICH CITY BUOY 72 70 230/ 8/ 10 N/A 1/ 3
ST. JOSEPH BUOY 72 71 240/ 8/ 10 1016.3R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-100400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 71 68 90 CALM 30.06R TC 22
GALESBURG* MOCLDY 68 68 100 CALM 30.06R TC 20
MACOMB* MOCLDY 67 67 100 CALM 30.08R TC 20
JACKSONVILLE* MOCLDY 67 67 100 CALM 30.05S TC 20
PITTSFIELD* MOCLDY 71 71 99 CALM 30.07R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-100400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 69 68 98 SW3 30.04S TC 21
BLOOMINGTON PTCLDY 70 68 93 NW5 30.06S TC 21
DECATUR PTCLDY 70 64 81 NE3 30.05R TC 21
PEORIA MOCLDY 69 68 96 SW5 30.05R TC 21
LACON* PTCLDY 69 66 90 CALM 30.03S TC 21
LINCOLN* MOCLDY 71 68 90 CALM 30.05S TC 22
SPRINGFIELD MOCLDY 69 65 86 CALM 30.05R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-100400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 68 64 87 W5 30.04R TC 20
RANTOUL* CLEAR 68 67 94 NW5 30.03F TC 20
MATTOON MOCLDY 73 66 78 N6 30.04R TC 23
PARIS* MOCLDY 72 67 85 CALM 30.04S TC 22
ILZ079-100>102-100400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 81 73 78 NE9G20 30.01R HX 85 TC 27
CAHOKIA* MOCLDY 82 72 71 NE8 30.02R HX 87 TC 28
SPARTA* MOCLDY 81 72 74 S3 30.03S HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-100400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 80 77 91 CALM 30.04S HX 85 TC 27
EFFINGHAM* MOCLDY 76 66 69 NW3 30.06R TC 25
MARION PTCLDY 79 75 89 SW2 30.02S HX 82 TC 26
MT. VERNON PTCLDY 80 75 84 W3 30.03R HX 85 TC 27
CENTRALIA* PTCLDY 79 68 69 NE5 30.04R HX 82 TC 26
SALEM* PTCLDY 79 69 71 MISG 30.05R HX 81 TC 26
METROPOLIS* MOCLDY 78 73 85 CALM 30.05S TC 25
ILZ067-068-072-073-078-083-087-091-100400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 80 69 69 N6 30.02R HX 83 TC 27
FLORA* PTCLDY 77 68 73 CALM 30.04R TC 25
FAIRFIELD* CLEAR 80 71 75 SW5 30.02R HX 83 TC 27
HARRISBURG* CLEAR 76 73 92 CALM 30.03S TC 24
ROBINSON* PTCLDY 73 70 88 S3 30.02S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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