715
ASUS43 KLOT 280810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-280900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 53 52 96 CALM 30.10F TC 12
STERLING* PTCLDY 54 54 100 CALM 30.12S TC 12
SAVANNA* PTCLDY 54 54 99 N3 30.12S TC 12
ILZ003-004-008-010-011-017-018-280900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 48 47 96 CALM 30.13S TC 9
FREEPORT* MOCLDY 50 48 95 CALM 30.14S TC 10
ROCHELLE* PTCLDY 46 46 100 CALM 30.12S FOG TC 8
DE KALB* PTCLDY 49 49 100 NW3 30.12S TC 9
PERU* PTCLDY 50 48 93 NW3 30.11S TC 10
ILZ005-006-012>014-019>023-280900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 54 51 90 N5 30.08F TC 12
CHICAGO-MIDWAY CLEAR 53 52 96 N3 30.08F TC 12
AURORA PTCLDY 45 45 100 NW5 30.10S FOG TC 7
JOLIET* PTCLDY 48 48 100 CALM 30.10S FOG TC 9
WAUKEGAN CLEAR 52 51 97 NW5 30.09S TC 11
DUPAGE AIRPORT PTCLDY 49 48 97 NE3 30.10S FOG TC 9
KANKAKEE* FOG 46 44 94 W3 30.10S VSB 3/4 TC 8
WHEELING PTCLDY 51 51 100 N3 30.11S TC 11
ROMEOVILLE* CLEAR 52 52 100 NW5 30.10S TC 11
LANSING* CLEAR 48 47 95 CALM 30.09S FOG TC 9
NORTHERLY ISL* N/A 61 56 83 NW6 N/A TC 16
LMZ740>746-280900-
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 59 65 320/ 10/ 14 1017.7 1/ 3
WAUKEGAN HARBOR 58 64 280/ 6/ 10 1018.5 1/ 4
WILMETTE BUOY 62 350/ 10/ 14 1020.3F 2/ 4
CHICAGO BUOY 62 63 330/ 8/ 12 1017.3 2/ 4
HARRISON CRIB 62 330/ 8/ 9 N/A
NORTHERLY ISL 61 10/ 4/ 8 N/A
CALUMET HARBOR 62 350/ 4/ 6 1018.7
MICHIGAN CITY 58 CALM / 1 1017.6
MICH CITY BUOY 60 61 300/ 2/ 4 N/A 1/ 3
ST. JOSEPH BUOY 57 58 310/ 2/ 4 1018.8S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 58 92 NE3 30.09F TC 16
GALESBURG* PTCLDY 51 51 97 CALM 30.12S TC 11
MACOMB* PTCLDY 51 51 100 CALM 30.12S TC 10
JACKSONVILLE* PTCLDY 52 52 100 CALM 30.10S TC 11
PITTSFIELD* CLOUDY 62 57 84 N3 30.11S TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-280900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 45 45 100 CALM 30.11S TC 7
BLOOMINGTON CLEAR 53 51 93 N3 30.11S TC 12
DECATUR CLEAR 51 48 89 N3 30.10R TC 11
PEORIA PTCLDY 53 50 89 CALM 30.10F TC 12
LACON* CLEAR 48 46 92 CALM 30.10F TC 9
LINCOLN* CLEAR 48 48 100 CALM 30.10S TC 9
SPRINGFIELD PTCLDY 49 48 97 SE3 30.10S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 49 47 93 N3 30.09R TC 9
RANTOUL* CLEAR 49 49 99 NW3 30.09S TC 10
MATTOON CLEAR 47 45 93 W3 30.07S TC 8
PARIS* CLEAR 46 46 97 CALM 30.08S TC 8
ILZ079-100>102-280900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 62 55 77 CALM 30.08F TC 17
CAHOKIA* PTCLDY 62 59 90 CALM 30.07S TC 17
SPARTA* PTCLDY 61 55 81 CALM 30.07F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 57 55 92 CALM 30.05F TC 14
EFFINGHAM* CLEAR 50 48 92 CALM 30.09S TC 10
MT. VERNON CLEAR 45 45 100 CALM 30.07S TC 7
CENTRALIA* PTCLDY 46 45 96 CALM 30.07S TC 8
SALEM* PTCLDY 52 46 82 MISG 30.07S TC 11
METROPOLIS* PTCLDY 49 48 98 CALM 30.05S TC 9
ILZ067-068-072-073-078-083-087-091-280900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 53 48 83 CALM 30.05S TC 12
FLORA* CLEAR 52 48 87 N5 30.06F TC 11
FAIRFIELD* CLEAR 49 46 88 CALM 30.06S TC 10
HARRISBURG* CLEAR 47 46 97 CALM 30.06S TC 8
ROBINSON* CLEAR 46 46 100 NW1 30.06S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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