164
ASUS43 KLOT 271510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT SUN SEP 27 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.
ILZ001-002-007-009-015-016-024-271600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 59 53 80 CALM 30.13S TC 15
STERLING* PTSUNNY 61 54 77 CALM 30.15S TC 16
SAVANNA* PTSUNNY 61 54 77 CALM 30.15R TC 16
ILZ003-004-008-010-011-017-018-271600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 65 52 62 SE5 30.15F TC 18
FREEPORT* PTSUNNY 62 59 90 SE3 30.17R TC 17
ROCHELLE* PTSUNNY 63 53 72 CALM 30.15S TC 17
DE KALB* MOSUNNY 63 56 79 CALM 30.16S TC 17
PERU* MOSUNNY 64 52 63 CALM 30.14S TC 18
ILZ005-006-012>014-019>023-271600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 63 56 78 N3 30.14R TC 17
CHICAGO-MIDWAY PTSUNNY 65 52 62 CALM 30.14S TC 18
AURORA MOSUNNY 62 56 80 NE3 30.14S TC 17
JOLIET* MOSUNNY 67 54 63 CALM 30.15R TC 19
WAUKEGAN MOSUNNY 65 56 72 VRB3 30.14S TC 18
DUPAGE AIRPORT MOSUNNY 59 58 96 N3 30.15S TC 15
KANKAKEE* MOSUNNY 62 51 66 CALM 30.15S TC 17
WHEELING MOSUNNY 64 56 75 CALM 30.16R TC 18
LANSING* MOSUNNY 61 51 69 CALM 30.15R TC 16
NORTHERLY ISL* N/A 66 56 70 NE7 N/A TC 19
LMZ740>746-271600-
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 62 64 360/ 6/ 10 1019.6 1
WAUKEGAN HARBOR 63 64 350/ 6/ 8 1020.4 1/ 3
WILMETTE BUOY 63 350/ 6/ 6 1022.9R 1/ 3
CHICAGO BUOY 64 64 20/ 6/ 6 1019.4 1/ 3
HARRISON CRIB 62 10/ 5/ 6 N/A
NORTHERLY ISL 66 60/ 4 N/A
CALUMET HARBOR 64 10/ 2/ 4 1020.6
MICHIGAN CITY 56 270/ 3/ 3 1020.0R
MICH CITY BUOY 59 62 350/ 4/ 6 N/A 1
ST. JOSEPH BUOY 52 53 350/ 4/ 4 1021.1R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 52 77 CALM 30.12S TC 15
GALESBURG* CLOUDY 60 55 83 CALM 30.15S TC 16
MACOMB* PTSUNNY 62 59 90 NW3 30.15F TC 17
JACKSONVILLE* CLOUDY 58 58 100 CALM 30.13S TC 15
PITTSFIELD* CLOUDY 63 56 78 CALM 30.13F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-271600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 66 53 63 CALM 30.14S TC 19
BLOOMINGTON MOSUNNY 65 53 65 VRB3 30.15R TC 18
DECATUR MOSUNNY 65 50 58 SE5 30.13R TC 18
PEORIA PTSUNNY 64 52 64 VRB3 30.13S TC 18
LACON* PTSUNNY 62 51 65 CALM 30.13S TC 17
LINCOLN* PTSUNNY 69 50 50 S5 30.13S TC 21
SPRINGFIELD PTSUNNY 66 53 63 NW5 30.12S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 65 49 56 E5 30.13S TC 18
RANTOUL* MOSUNNY 66 49 53 CALM 30.14R TC 19
MATTOON MOSUNNY 66 47 50 E5 30.12R TC 19
PARIS* MOSUNNY 65 49 54 N3 30.12S TC 19
ILZ079-100>102-271600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 55 77 N10 30.12S TC 17
BELLEVILLE PTSUNNY 64 62 91 N5 30.09S TC 18
CAHOKIA* CLOUDY 64 57 78 N7 30.11R TC 18
SPARTA* LGT RAIN 60 59 95 CALM 30.11S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 64 55 72 NW7 30.10R TC 18
CAIRO* CLOUDY 66 54 64 CALM 30.09S TC 19
EFFINGHAM* MOSUNNY 67 46 45 E3 30.13S TC 20
MARION MOSUNNY 68 54 60 CALM 30.10R TC 20
MT. VERNON PTSUNNY 70 50 49 CALM 30.10S TC 21
CENTRALIA* PTSUNNY 68 53 59 CALM 30.10S TC 20
SALEM* PTSUNNY 69 53 56 MISG 30.11R TC 21
METROPOLIS* PTSUNNY 70 50 48 CALM 30.08S TC 21
ILZ067-068-072-073-078-083-087-091-271600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 65 49 56 CALM 30.11R TC 18
FLORA* MOSUNNY 68 50 52 SE3 30.11S TC 20
FAIRFIELD* MOSUNNY 68 46 45 E6 30.10S TC 20
HARRISBURG* PTSUNNY 68 52 55 CALM 30.09S TC 20
ROBINSON* SUNNY 64 50 59 NE3 30.11S TC 18
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