104
ASUS43 KLOT 210610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED OCT 21 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.
ILZ001-002-007-009-015-016-024-210700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 44 43 96 CALM 30.25F TC 7
6HR MIN TEMP: 43; 6HR MAX TEMP: 53;
STERLING* CLEAR 45 40 82 E6 30.28F TC 7
SAVANNA* CLEAR 44 43 96 CALM 30.27F TC 7
ILZ003-004-008-010-011-017-018-210700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 40 40 100 CALM 30.30F TC 4
6HR MIN TEMP: 40; 6HR MAX TEMP: 54;
FREEPORT* CLEAR 46 42 89 SE7 30.30S TC 8
ROCHELLE* CLEAR 42 41 99 CALM 30.30S TC 5
DE KALB* CLEAR 47 44 89 SE5 30.31S TC 8
ILZ005-006-012>014-019>023-210700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 48 46 93 CALM 30.29F TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 59;
CHICAGO-MIDWAY CLEAR 51 50 96 CALM 30.30S TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 60;
AURORA CLEAR 42 41 96 CALM 30.30S TC 6
6HR MIN TEMP: 41; 6HR MAX TEMP: 54;
JOLIET* CLEAR 44 44 100 CALM 30.30S FOG TC 7
WAUKEGAN CLEAR 42 42 100 SW3 30.29S FOG TC 6
6HR MIN TEMP: 40; 6HR MAX TEMP: 50;
DUPAGE AIRPORT CLEAR 44 42 93 N3 30.30F TC 7
6HR MIN TEMP: 43; 6HR MAX TEMP: 59;
KANKAKEE* CLEAR 43 42 95 CALM 30.31S TC 6
WHEELING PTCLDY 45 45 100 CALM 30.31S TC 7
6HR MIN TEMP: 45; 6HR MAX TEMP: 56;
ROMEOVILLE* CLEAR 50 45 81 E3 30.30F TC 10
LANSING* CLEAR 42 41 97 CALM 30.30S FOG TC 6
NORTHERLY ISL* N/A 54 52 93 CALM N/A TC 12
LMZ740>746-210700-
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 54 57 1023.2
WAUKEGAN HARBOR 53 56 280/ 2/ 6 1024.4 0
WILMETTE BUOY 58 160/ 4/ 6 1026.6F 1
HARRISON CRIB 59 160/ 5/ 6 N/A
NORTHERLY ISL 56 CALM / 4 N/A
CALUMET HARBOR 54 210/ 1/ 2 1025.9
MICHIGAN CITY 51 130/ 8/ 8 1025.4F
MICH CITY BUOY 56 59 120/ 4/ 6 N/A 0
ST. JOSEPH BUOY 56 58 150/ 2/ 4 1026.6S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-210700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 56 43 61 S5 30.25S TC 13
GALESBURG* CLEAR 50 45 80 SE5 30.27F TC 10
MACOMB* CLEAR 46 45 97 CALM 30.28F TC 8
JACKSONVILLE* CLEAR 45 41 87 CALM 30.27F TC 7
PITTSFIELD* CLEAR 47 46 98 CALM 30.27S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-210700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 41 36 84 SE5 30.29F TC 5
BLOOMINGTON CLEAR 49 46 90 S3 30.30F TC 9
DECATUR CLEAR 46 39 76 CALM 30.29F TC 8
PEORIA CLEAR 49 45 86 NE3 30.28F TC 9
6HR MIN TEMP: 49; 6HR MAX TEMP: 59;
LACON* CLEAR 43 39 86 CALM 30.28S TC 6
SPRINGFIELD CLEAR 47 44 90 CALM 30.27F TC 8
6HR MIN TEMP: 47; 6HR MAX TEMP: 59;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 47 37 68 E3 30.29F TC 8
RANTOUL* CLEAR 48 40 72 CALM 30.30S TC 9
MATTOON CLEAR 45 43 93 CALM 30.28F TC 7
PARIS* CLEAR 42 40 93 CALM 30.29S TC 6
ILZ079-100>102-210700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 47 45 93 CALM 30.27F TC 9
BELLEVILLE CLEAR 49 48 97 CALM 30.25F TC 9
CAHOKIA* CLEAR 45 44 97 CALM 30.26F FOG TC 7
SPARTA* CLEAR 50 49 97 CALM 30.28F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 46 45 96 CALM 30.27S FOG TC 8
6HR MIN TEMP: 46; 6HR MAX TEMP: 62;
CAIRO* CLEAR 47 47 99 CALM 30.27S TC 9
EFFINGHAM* CLEAR 45 44 94 CALM 30.30S TC 7
MARION CLEAR 48 48 100 W1 30.27S TC 9
MT. VERNON CLEAR 42 41 96 CALM 30.28S TC 6
CENTRALIA* CLEAR 45 44 97 CALM 30.28S TC 7
SALEM* CLEAR 48 45 88 MISG 30.28S TC 9
METROPOLIS* CLEAR 46 46 98 CALM 30.27S TC 8
ILZ067-068-072-073-078-083-087-091-210700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.28S
FLORA* CLEAR 46 45 93 CALM 30.28S TC 8
FAIRFIELD* CLEAR 48 44 86 CALM 30.28S TC 9
HARRISBURG* CLEAR 46 46 100 CALM 30.27F TC 8
ROBINSON* CLEAR 41 41 100 NW1 30.28S FOG TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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