350
ASUS43 KLOT 281206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-281300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 49 49 100 CALM 30.12R FOG TC 9
6HR MIN TEMP: 49; 6HR MAX TEMP: 56;
STERLING* CLEAR 50 50 100 CALM 30.14R FOG TC 10
SAVANNA* PTCLDY 53 53 100 CALM 30.13S TC 12
ILZ003-004-008-010-011-017-018-281300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 48 48 100 CALM 30.15R TC 9
6HR MIN TEMP: 47; 6HR MAX TEMP: 51;
FREEPORT* MOCLDY 53 51 94 CALM 30.15S TC 12
ROCHELLE* PTCLDY 42 42 100 CALM 30.14R TC 6
DE KALB* FOG 46 46 100 N3 30.14S VSB 1/2 TC 8
ILZ005-006-012>014-019>023-281300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 52 48 86 W5 30.11R TC 11
6HR MIN TEMP: 52; 6HR MAX TEMP: 56;
CHICAGO-MIDWAY PTCLDY 52 50 93 W3 30.11R TC 11
6HR MIN TEMP: 50; 6HR MAX TEMP: 55;
AURORA CLEAR 46 46 100 CALM 30.12S FOG TC 8
6HR MIN TEMP: 43; 6HR MAX TEMP: 46;
JOLIET* CLEAR 45 45 100 CALM 30.12R FOG TC 7
WAUKEGAN CLEAR 51 49 92 NW7 30.12R TC 11
6HR MIN TEMP: 48; 6HR MAX TEMP: 52;
DUPAGE AIRPORT CLEAR 46 44 93 N3 30.12R TC 8
6HR MIN TEMP: 44; 6HR MAX TEMP: 49;
KANKAKEE* FOG 47 46 94 CALM 30.12S VSB<1/4 TC 9
WHEELING MOCLDY 50 48 93 NW6 30.13R TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 53;
LANSING* FOG 45 45 100 CALM 30.11R VSB<1/4 TC 7
NORTHERLY ISL* N/A 57 54 89 W1 N/A TC 14
LMZ740>746-281300-
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 57 64 300/ 10/ 14 1018.4R 1/ 4
WAUKEGAN HARBOR 56 64 270/ 8/ 12 1019.1R 1/ 4
WILMETTE BUOY 62 340/ 10/ 14 1020.9R 2/ 4
CHICAGO BUOY 60 63 320/ 8/ 10 1018.0R 2/ 4
HARRISON CRIB 60 320/ 9/ 10 N/A
NORTHERLY ISL 57 280/ 3/ 4 N/A
CALUMET HARBOR 54 260/ 1/ 3 1019.2R
MICHIGAN CITY 56 CALM / 1 1018.2R
MICH CITY BUOY 60 61 40/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 56 59 10/ 4/ 6 1019.4R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 58 56 93 E3 30.12R TC 14
GALESBURG* PTCLDY 46 46 100 CALM 30.14R TC 8
MACOMB* PTCLDY 47 47 100 CALM 30.14S FOG TC 8
JACKSONVILLE* PTCLDY 49 49 100 CALM 30.12R TC 10
PITTSFIELD* CLOUDY 58 57 98 CALM 30.12S TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-281300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FOG 41 41 100 CALM 30.12S VSB 1/4 TC 5
BLOOMINGTON CLEAR 49 49 100 N5 30.13R TC 9
DECATUR FOG 44 43 96 CALM 30.11R VSB 1 TC 7
PEORIA PTCLDY 50 48 93 E3 30.12R TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 53;
LACON* FOG 49 48 95 CALM 30.13R VSB<1/4 TC 10
LINCOLN* CLEAR 47 47 100 CALM 30.13R TC 8
SPRINGFIELD PTCLDY 46 45 96 CALM 30.12R TC 8
6HR MIN TEMP: 45; 6HR MAX TEMP: 51;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FOG 49 49 100 N5 30.10 VSB 1/4 TC 9
RANTOUL* DRZL/FOG 51 51 99 N6 30.11R VSB<1/4 TC 11
MATTOON FOG 46 46 100 N3 30.09S VSB<1/4 TC 8
PARIS* FOG 43 42 97 CALM 30.10R VSB<1/4 TC 6
ILZ079-100>102-281300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 54 48 82 CALM 30.09S TC 12
CAHOKIA* MOCLDY 61 52 72 CALM 30.09R TC 16
SPARTA* MOCLDY 57 52 82 CALM 30.09R TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FOG 46 46 100 CALM 30.07 VSB 1/4 TC 8
CAIRO* PTCLDY 53 53 99 CALM 30.07R TC 12
EFFINGHAM* CLEAR 48 46 94 CALM 30.10S TC 9
MT. VERNON CLEAR 43 43 100 CALM 30.09R TC 6
CENTRALIA* CLEAR 45 44 97 CALM 30.08R FOG TC 7
SALEM* CLEAR 50 47 91 MISG 30.09R TC 10
METROPOLIS* CLEAR 47 46 97 CALM 30.07R TC 8
ILZ067-068-072-073-078-083-087-091-281300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 49 47 93 NE6 30.08R TC 9
FLORA* CLEAR 48 48 100 N3 30.09R TC 9
FAIRFIELD* CLEAR 51 46 81 CALM 30.08R TC 11
HARRISBURG* CLEAR 45 45 100 CALM 30.08R TC 7
ROBINSON* CLEAR 45 45 100 N2 30.08R TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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