998
ASUS43 KLOT 122003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT MON OCT 12 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.
ILZ001-002-007-009-015-016-024-122100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 87 64 46 S15G23 29.74F HX 88 TC 31
STERLING* MOSUNNY 88 62 41 SW9G18 29.76F HX 88 TC 31
SAVANNA* MOSUNNY 85 66 52 S13 29.73F HX 87 TC 30
ILZ003-004-008-010-011-017-018-122100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 86 63 45 S18G25 29.75F HX 87 TC 30
FREEPORT* MOSUNNY 87 64 46 SW15G22 29.76F HX 88 TC 31
DE KALB* SUNNY 86 64 48 S24 29.78F HX 87 TC 30
ILZ005-006-012>014-019>023-122100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 87 62 43 SW20G29 29.77F HX 87 TC 31
CHICAGO-MIDWAY MOSUNNY 88 63 43 SW22G30 29.78F HX 89 TC 31
AURORA SUNNY 86 63 45 SW18G30 29.77F HX 87 TC 30
JOLIET* SUNNY 90 62 40 SW10G22 29.79F HX 90 TC 32
WAUKEGAN SUNNY 86 65 49 SW16 29.74F HX 88 TC 30
DUPAGE AIRPORT SUNNY 86 65 49 S17G28 29.78F HX 88 TC 30
WHEELING SUNNY 87 63 44 SW18G28 29.77F HX 88 TC 31
LANSING* MOSUNNY 87 60 40 SW16G24 29.81F HX 87 TC 31
NORTHERLY ISL* N/A 85 59 41 S8 N/A HX 84 TC 29
LMZ740>746-122100-
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 79 63 170/ 16/ 23 1007.9F 1/ 1
WAUKEGAN HARBOR 75 63 210/ 12/ 16 1009.0F 1/ 2
WILMETTE BUOY 75 170/ 12/ 16 1011.2F 1/ 3
CHICAGO BUOY 78 63 230/ 12/ 19 1007.7F 1/ 2
HARRISON CRIB 84 210/ 25/ 30 N/A
NORTHERLY ISL 85 230/ 8/ 15 N/A
CALUMET HARBOR 85 200/ 8/ 16 1009.1
MICHIGAN CITY 84 210/ 19/ 22 1007.5F
MICH CITY BUOY 72 63 240/ 8/ 12 N/A 1
ST. JOSEPH BUOY 71 63 200/ 8/ 10 1010.5F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-122100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 89 62 40 SW17G24 29.81F HX 89 TC 32
MACOMB* SUNNY 88 63 42 S16 29.82F HAZE HX 88
ILZ028>032-037-038-041>044-048-051>054-059>061-122100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 87 62 43 SW15G24 29.85F HX 87 TC 31
DECATUR SUNNY 88 60 38 W17G26 29.86F HX 87 TC 31
PEORIA SUNNY 87 62 43 SW15G29 29.80F HX 87 TC 31
SPRINGFIELD MOSUNNY 90 60 36 SW12 29.83F HX 89 TC 32
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-122100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 89 58 34 SW18G31 29.87F HX 88 TC 32
MATTOON SUNNY 89 58 34 W10G22 29.88F HX 88 TC 32
ILZ079-100>102-122100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 59 33 SW14G23 29.88F HX 90 TC 33
BELLEVILLE MOSUNNY 94 59 31 SW14 29.85F HX 93 TC 34
CAHOKIA* SUNNY 93 59 31 VRB6 29.86F HX 92 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 60 36 SW15G29 29.93F HX 89 TC 32
MT. VERNON MOSUNNY 92 60 34 S15G23 29.91F HX 91 TC 33
SALEM* SUNNY 92 58 31 MISG 29.90F HX 91 TC 34
ILZ067-068-072-073-078-083-087-091-122100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 89 58 34 S13 29.91F HX 88 TC 32
FAIRFIELD* SUNNY 91 53 27 SW9 29.92F HX 88 TC 33
HARRISBURG* SUNNY 89 62 40 SW12G17 29.94F HX 89 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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