258
ASUS43 KLOT 272301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-280000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 72 52 49 N3 30.06S TC 22
STERLING* PTCLDY 70 54 56 CALM 30.06S TC 21
SAVANNA* MOCLDY 70 55 58 N5 30.07S TC 21
ILZ003-004-008-010-011-017-018-280000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 69 53 56 NW6 30.08S TC 21
FREEPORT* MOCLDY 70 53 55 NE5 30.10R TC 21
DE KALB* MOCLDY 67 51 57 CALM 30.08S TC 19
ILZ005-006-012>014-019>023-280000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 47 50 NE9 30.07R TC 19
CHICAGO-MIDWAY MOCLDY 66 50 56 NE10 30.07S TC 19
AURORA MOCLDY 65 51 60 N5 30.06S TC 18
JOLIET* PTCLDY 67 52 58 E6 30.07R TC 20
WAUKEGAN PTCLDY 62 55 77 NE6 30.08R TC 17
DUPAGE AIRPORT MOCLDY 66 52 60 NE6 30.07S TC 19
KANKAKEE* PTCLDY 68 48 49 NE7 30.07R TC 20
WHEELING PTCLDY 64 52 64 NE5 30.09S TC 18
LANSING* PTCLDY 64 50 61 NE9 30.08S TC 18
NORTHERLY ISL* N/A 64 55 72 N6 N/A TC 18
LMZ740>746-280000-
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 10/ 10/ 12 1017.6S 1/ 2
WAUKEGAN HARBOR 65 64 350/ 8/ 10 1018.5R 1/ 3
WILMETTE BUOY 65 40/ 8/ 12 1020.9F 1
CHICAGO BUOY 65 64 30/ 8/ 16 1017.3S 1/ 2
HARRISON CRIB 64 20/ 9/ 9 N/A
NORTHERLY ISL 65 50/ 5/ 8 N/A
CALUMET HARBOR 64 360/ 6/ 9 1018.5
MICHIGAN CITY 65 10/ 7/ 7 1017.2F
MICH CITY BUOY 62 63 360/ 6/ 8 N/A 1
ST. JOSEPH BUOY 58 56 CALM 1018.8F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-280000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 61 87 NW6 30.06S TC 18
GALESBURG* MOCLDY 72 58 60 N9 30.06F TC 22
MACOMB* MOCLDY 70 57 63 NW5 30.08S TC 21
JACKSONVILLE* MOCLDY 67 57 69 NW5 30.05S TC 20
PITTSFIELD* MOCLDY 69 54 58 NE3 30.07R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-280000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 73 43 33 NE10 30.06R TC 23
DECATUR MOCLDY 69 49 48 N7 30.04R TC 21
PEORIA MOCLDY 72 51 47 CALM 30.05S TC 22
LACON* MOCLDY 71 51 48 CALM 30.05S TC 22
LINCOLN* MOCLDY 72 51 46 CALM 30.04S TC 22
SPRINGFIELD MOCLDY 72 52 49 CALM 30.03F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 70 48 45 NW5 30.04R TC 21
MATTOON MOCLDY 68 51 54 CALM 30.02S TC 20
ILZ079-100>102-280000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 73 55 53 NW5 30.04R TC 23
CAHOKIA* PTCLDY 75 52 44 NE6 30.02S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 75 55 50 N5 30.01S TC 24
CAIRO* PTCLDY 78 48 34 N5 29.99S TC 26
EFFINGHAM* MOCLDY 71 48 44 CALM 30.04S TC 22
MT. VERNON MOCLDY 74 47 38 CALM 30.02R TC 23
CENTRALIA* MOCLDY 75 48 37 CALM 30.02S TC 24
SALEM* MOCLDY 76 48 36 MISG 30.02R TC 25
ILZ067-068-072-073-078-083-087-091-280000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 71 46 40 N5 30.01S TC 22
FLORA* MOCLDY 73 50 43 N3 30.02S TC 23
FAIRFIELD* MOCLDY 73 43 34 NE3 30.01S TC 23
HARRISBURG* MOCLDY 71 50 47 CALM 30.00S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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