361
ASUS43 KLOT 281001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-281100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 52 51 97 CALM 30.11R TC 11
STERLING* CLEAR 52 52 100 CALM 30.12S TC 11
SAVANNA* PTCLDY 53 53 100 CALM 30.12R TC 12
ILZ003-004-008-010-011-017-018-281100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 48 48 100 CALM 30.14R TC 9
FREEPORT* PTCLDY 49 47 95 CALM 30.14S TC 9
DE KALB* FOG 48 48 100 CALM 30.13R VSB 1/4 TC 9
ILZ005-006-012>014-019>023-281100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 49 86 NW3 30.09R TC 12
CHICAGO-MIDWAY PTCLDY 52 51 97 CALM 30.09R TC 11
AURORA CLEAR 45 45 100 NW5 30.11R FOG TC 7
JOLIET* FOG 46 46 100 CALM 30.11R VSB 1/4 TC 8
WAUKEGAN CLEAR 50 49 96 CALM 30.09S TC 10
DUPAGE AIRPORT CLEAR 47 47 100 CALM 30.11R FOG TC 8
WHEELING CLEAR 50 49 96 CALM 30.11S TC 10
LANSING* CLEAR 46 46 98 CALM 30.09R FOG TC 8
NORTHERLY ISL* N/A 57 54 89 W3 N/A TC 14
LMZ740>746-281100-
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 64 320/ 8/ 10 1017.6F 1/ 4
WAUKEGAN HARBOR 58 64 290/ 8/ 12 1018.4F 1/ 4
WILMETTE BUOY 62 350/ 12/ 16 1020.4S 2/ 4
CHICAGO BUOY 61 63 330/ 10/ 14 1017.5R 2/ 4
HARRISON CRIB 60 320/ 9/ 10 N/A
NORTHERLY ISL 58 280/ 4/ 7 N/A
CALUMET HARBOR 54 270/ 2/ 3 1018.6
MICHIGAN CITY 56 210/ 3/ 3 1017.6R
MICH CITY BUOY 60 60 290/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 57 59 350/ 2/ 4 1018.8R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 57 93 NE5 30.09R TC 15
GALESBURG* PTCLDY 49 49 100 CALM 30.12S TC 9
MACOMB* PTCLDY 50 50 100 CALM 30.13R TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-281100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 51 50 96 N3 30.10F TC 11
DECATUR CLEAR 47 46 97 CALM 30.09S TC 8
PEORIA PTCLDY 51 49 92 NE3 30.10S TC 11
LACON* FOG 47 45 93 CALM 30.11R VSB 1/2 TC 8
LINCOLN* CLEAR 47 47 100 CALM 30.10R TC 8
SPRINGFIELD CLEAR 46 45 96 CALM 30.10S TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 46 45 96 NW5 30.09S FOG TC 8
MATTOON CLEAR 45 45 100 NW5 30.07F TC 7
ILZ079-100>102-281100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 62 56 80 NE3 30.06F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 54 54 97 CALM 30.04F TC 12
EFFINGHAM* CLEAR 49 47 94 CALM 30.09S TC 9
MT. VERNON CLEAR 44 43 96 N3 30.06F TC 7
CENTRALIA* CLEAR 46 45 97 CALM 30.07S FOG TC 8
SALEM* CLEAR 52 46 80 MISG 30.07S TC 11
ILZ067-068-072-073-078-083-087-091-281100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 51 49 92 CALM 30.06R TC 11
FLORA* CLEAR 50 48 93 NW6 30.07S TC 10
FAIRFIELD* CLEAR 51 46 82 CALM 30.06S TC 11
HARRISBURG* CLEAR 47 47 99 CALM 30.05F TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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