446
ASUS43 KLOT 010503
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT THU OCT 01 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.
ILZ001-002-007-009-015-016-024-010600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 65 100 NE3 29.85F TC 18
STERLING* CLOUDY 64 64 100 E3 29.88F TC 18
SAVANNA* RAIN 65 65 100 CALM 29.87F TC 18
ILZ003-004-008-010-011-017-018-010600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 64 63 96 S6 29.90S TC 18
FREEPORT* CLOUDY 66 64 95 SW7 29.89S TC 19
DE KALB* RAIN 63 63 100 NW5 29.90S TC 17
ILZ005-006-012>014-019>023-010600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 64 62 93 CALM 29.86 TC 18
CHICAGO-MIDWAY CLOUDY 64 62 93 NW3 29.88 TC 18
AURORA CLOUDY 63 63 100 NE3 29.87F FOG TC 17
JOLIET* MOCLDY 64 64 100 CALM 29.88F FOG TC 18
WAUKEGAN CLOUDY 64 63 96 W3 29.86 TC 18
DUPAGE AIRPORT CLOUDY 63 62 97 CALM 29.88F TC 17
WHEELING LGT RAIN 65 63 93 CALM 29.89F TC 18
LANSING* CLOUDY 64 60 86 CALM 29.88S TC 18
NORTHERLY ISL* N/A 67 58 72 W2 N/A TC 19
LMZ740>746-010600-
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 65 64 170/ 2/ 4 1011.7S 2/ 4
WAUKEGAN HARBOR 66 64 220/ 2/ 4 1012.3F 1/ 4
WILMETTE BUOY 65 200/ 4/ 6 1014.0R 1
CHICAGO BUOY 67 64 150/ 2/ 2 1010.8F 1/ 3
HARRISON CRIB 68 170/ 3/ 5 N/A
NORTHERLY ISL 66 260/ 3/ 6 N/A
CALUMET HARBOR 65 250/ 2/ 3 1011.8F
MICHIGAN CITY 69 160/ 11/ 13 1010.2F
MICH CITY BUOY 65 63 180/ 10/ 12 N/A 1/ 2
ST. JOSEPH BUOY 65 60 170/ 8/ 10 1012.5F 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-010600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 76 63 64 S8 29.82 TC 24
MACOMB* LGT RAIN 66 66 100 E3 29.86S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-010600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 71 61 70 S8 29.89S TC 22
DECATUR CLOUDY 75 59 57 S10 29.89 TC 24
PEORIA LGT RAIN 66 64 93 N3 29.86 TC 19
SPRINGFIELD CLOUDY 78 60 53 S8 29.86F TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 75 58 55 S8 29.90 TC 24
MATTOON MOCLDY 76 57 51 S10 29.91 TC 24
ILZ079-100>102-010600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 77 61 57 SE7 29.86S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOCLDY 73 56 53 SE6 29.93S TC 23
MT. VERNON MOCLDY 79 56 45 S9 29.92S HX 80 TC 26
CENTRALIA* MOCLDY 77 57 49 S9 29.91F TC 25
SALEM* MOCLDY 79 58 48 MISG 29.91F HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-010600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 58 70 S8 29.93 TC 20
FAIRFIELD* PTCLDY 75 55 49 S6 29.93S TC 24
HARRISBURG* PTCLDY 70 58 65 CALM 29.94S TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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