665
ASUS43 KLOT 011301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-011400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 69 67 93 SW10 29.80R TC 21
STERLING* CLOUDY 66 66 100 CALM 29.83R TC 19
SAVANNA* LGT RAIN 66 66 100 S6 29.81F TC 19
ILZ003-004-008-010-011-017-018-011400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 64 63 96 SE5 29.84S FOG TC 18
FREEPORT* CLOUDY 65 63 95 S9 29.84R TC 18
DE KALB* LGT RAIN 64 64 100 S6 29.86S TC 18
ILZ005-006-012>014-019>023-011400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 66 64 93 S8 29.83F TC 19
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 65 64 97 S5 29.84S FOG TC 18
JOLIET* LGT RAIN 67 66 96 SE5 29.84F TC 20
WAUKEGAN CLOUDY 64 63 96 SE5 29.82F FOG TC 18
DUPAGE AIRPORT LGT RAIN 65 64 97 S6 29.84F TC 18
KANKAKEE* PTSUNNY 69 62 77 S7 29.87F TC 21
WHEELING LGT RAIN 65 64 97 SE6 29.84F TC 18
LANSING* LGT RAIN 65 64 93 CALM 29.87S TC 19
NORTHERLY ISL* N/A 66 62 87 S2 N/A TC 19
LMZ740>746-011400-
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 64 63 120/ 10/ 12 1010.5F 1
WAUKEGAN HARBOR 65 64 150/ 4/ 6 1011.1F 1
WILMETTE BUOY 65 150/ 8/ 12 1012.7S 1/ 2
CHICAGO BUOY 67 64 200/ 6/ 8 1010.0R 1
HARRISON CRIB 67 190/ 9/ 10 N/A
NORTHERLY ISL 66 CALM / 4 N/A
CALUMET HARBOR 67 180/ 5/ 6 1011.3
MICHIGAN CITY 67 150/ 9/ 11 1010.2F
MICH CITY BUOY 65 63 150/ 8/ 10 N/A 0
ST. JOSEPH BUOY 65 61 160/ 8/ 10 1012.1F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-011400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 71 65 81 SE3 29.85R TC 22
MACOMB* CLOUDY 69 69 99 CALM 29.86R TC 20
PITTSFIELD* PTSUNNY 76 63 64 S6 29.87R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-011400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 72 63 73 S10 29.88S TC 22
DECATUR MOSUNNY 73 61 65 S13 29.90S TC 23
PEORIA PTSUNNY 70 65 84 SW5 29.85R TC 21
LACON* CLOUDY 66 63 91 CALM 29.83S TC 19
SPRINGFIELD PTSUNNY 74 62 66 S9 29.87R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 72 58 61 S8 29.91S TC 22
MATTOON PTSUNNY 71 58 63 S10 29.93R TC 22
ILZ079-100>102-011400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 63 73 S9 29.90R TC 22
CAHOKIA* PTSUNNY 73 62 68 S5 29.90R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 61 64 S9 29.95R TC 23
CAIRO* SUNNY 74 61 64 S8 29.97R TC 23
EFFINGHAM* PTSUNNY 69 58 68 SE6 29.96R TC 21
MT. VERNON SUNNY 73 59 61 S8 29.96R TC 23
CENTRALIA* MOSUNNY 74 59 60 S9 29.94S TC 23
SALEM* MOSUNNY 76 61 59 MISG 29.94R TC 24
ILZ067-068-072-073-078-083-087-091-011400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 68 56 65 S7 29.97R TC 20
FAIRFIELD* MOSUNNY 71 56 59 S5 29.96R TC 22
HARRISBURG* SUNNY 73 57 56 S5 29.97R TC 23
ROBINSON* PTSUNNY 70 55 60 S8 29.96R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page