393
ASUS43 KLOT 280206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM 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.
ILZ001-002-007-009-015-016-024-280300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 59 56 89 CALM 30.08R TC 15
STERLING* PTCLDY 63 50 62 CALM 30.09R TC 17
SAVANNA* PTCLDY 62 56 83 CALM 30.09R TC 16
ILZ003-004-008-010-011-017-018-280300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 55 52 89 CALM 30.11R TC 13
FREEPORT* PTCLDY 56 53 89 CALM 30.11S TC 14
ROCHELLE* PTCLDY 55 51 86 CALM 30.10R TC 13
DE KALB* PTCLDY 56 50 80 E3 30.10S TC 14
ILZ005-006-012>014-019>023-280300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 59 54 83 N5 30.08S TC 15
CHICAGO-MIDWAY PTCLDY 61 55 81 N5 30.09R TC 16
AURORA PTCLDY 55 51 86 CALM 30.09R TC 13
JOLIET* PTCLDY 55 53 94 CALM 30.10R TC 13
WAUKEGAN PTCLDY 51 51 100 CALM 30.09R TC 11
DUPAGE AIRPORT PTCLDY 57 50 77 N3 30.10R TC 14
KANKAKEE* CLEAR 53 50 90 E6 30.09S TC 12
WHEELING PTCLDY 57 54 89 CALM 30.10S TC 14
ROMEOVILLE* PTCLDY 59 54 82 CALM 30.10R TC 15
LANSING* CLEAR 58 54 84 CALM 30.09R TC 15
NORTHERLY ISL* N/A 61 54 77 N7 N/A TC 16
LMZ740>746-280300-
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 65 360/ 6/ 8 1017.8R 1
WAUKEGAN HARBOR 62 64 300/ 4/ 6 1018.6R 1
WILMETTE BUOY 64 30/ 8/ 12 1020.7R 1/ 3
CHICAGO BUOY 65 64 10/ 8/ 12 1017.8R 1/ 3
HARRISON CRIB 64 10/ 8/ 9 N/A
NORTHERLY ISL 61 350/ 6/ 8 N/A
CALUMET HARBOR 62 350/ 5/ 8 1018.7R
MICHIGAN CITY 61 20/ 7/ 9 1017.6R
MICH CITY BUOY 62 63 360/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 56 58 CALM 1019.0R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-280300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 61 58 90 N5 30.08R TC 16
GALESBURG* MOCLDY 60 57 89 CALM 30.09S TC 16
MACOMB* MOCLDY 60 57 90 CALM 30.10R TC 16
JACKSONVILLE* MOCLDY 62 59 90 CALM 30.07R TC 17
PITTSFIELD* CLOUDY 64 56 76 CALM 30.08R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-280300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 53 49 86 E3 30.09R TC 12
BLOOMINGTON PTCLDY 60 48 64 N8 30.09R TC 16
DECATUR PTCLDY 62 46 55 N5 30.06R TC 17
PEORIA MOCLDY 59 53 80 CALM 30.08R TC 15
LACON* PTCLDY 55 49 81 CALM 30.08R TC 13
LINCOLN* PTCLDY 62 53 71 CALM 30.07R TC 17
SPRINGFIELD MOCLDY 57 54 89 CALM 30.06R TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 62 45 53 NE9 30.06R TC 17
RANTOUL* PTCLDY 59 47 63 NE7 30.07R TC 15
MATTOON PTCLDY 58 48 69 CALM 30.04R TC 14
PARIS* PTCLDY 55 51 83 N3 30.05R TC 13
ILZ079-100>102-280300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 64 55 72 VRB3 30.05R TC 18
BELLEVILLE CLOUDY 66 59 77 CALM 30.02R TC 19
CAHOKIA* PTCLDY 63 59 87 CALM 30.04R TC 17
SPARTA* PTCLDY 66 52 60 N3 30.05R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 61 55 82 NW3 30.02R TC 16
CAIRO* PTCLDY 64 55 73 CALM 30.01S TC 18
EFFINGHAM* PTCLDY 56 51 85 CALM 30.06R TC 13
MARION PTCLDY 59 52 77 NE1 30.02S TC 15
MT. VERNON PTCLDY 53 51 93 CALM 30.04R TC 12
CENTRALIA* PTCLDY 56 51 84 CALM 30.04R TC 13
SALEM* PTCLDY 57 52 82 MISG 30.04R TC 14
METROPOLIS* PTCLDY 58 51 78 CALM 30.01S TC 14
ILZ067-068-072-073-078-083-087-091-280300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 60 52 74 N5 30.03R TC 16
FLORA* PTCLDY 57 52 82 CALM 30.04R TC 14
FAIRFIELD* PTCLDY 58 48 67 CALM 30.03S TC 15
HARRISBURG* PTCLDY 57 51 80 CALM 30.03R TC 14
ROBINSON* PTCLDY 52 50 93 W3 30.03R TC 11
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