860
ASUS43 KLOT 280701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-280800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 55 54 96 CALM 30.11R TC 13
STERLING* PTCLDY 53 52 96 CALM 30.12S TC 12
SAVANNA* MOCLDY 56 56 99 CALM 30.12S TC 13
ILZ003-004-008-010-011-017-018-280800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 48 48 100 CALM 30.13S TC 9
FREEPORT* PTCLDY 50 49 95 CALM 30.14S TC 10
DE KALB* CLEAR 51 51 100 CALM 30.12S TC 10
ILZ005-006-012>014-019>023-280800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 54 52 93 N3 30.09R TC 12
CHICAGO-MIDWAY CLEAR 55 54 96 CALM 30.09S TC 13
AURORA CLEAR 45 45 100 NW5 30.10S FOG TC 7
JOLIET* CLEAR 49 49 100 CALM 30.10S FOG TC 9
WAUKEGAN CLEAR 52 51 97 NW5 30.09S TC 11
DUPAGE AIRPORT CLEAR 49 48 97 NW3 30.10S FOG TC 9
WHEELING PTCLDY 52 52 100 N3 30.11S TC 11
LANSING* CLEAR 48 47 96 CALM 30.09S TC 9
NORTHERLY ISL* N/A 61 56 83 N6 N/A TC 16
LMZ740>746-280800-
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 65 300/ 8/ 10 1017.7S 1/ 3
WAUKEGAN HARBOR 59 64 290/ 8/ 10 1018.5S 1
WILMETTE BUOY 63 340/ 8/ 10 1020.5F 1/ 3
CHICAGO BUOY 64 64 340/ 8/ 12 1017.5F 1/ 3
HARRISON CRIB 62 330/ 9/ 10 N/A
NORTHERLY ISL 61 340/ 7/ 8 N/A
CALUMET HARBOR 62 350/ 5/ 6 1018.7R
MICHIGAN CITY 58 290/ 2/ 2 1017.7R
MICH CITY BUOY 61 62 360/ 4/ 8 N/A 1/ 3
ST. JOSEPH BUOY 57 58 300/ 2/ 4 1018.8S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 57 89 N3 30.10R TC 16
MACOMB* PTCLDY 52 52 100 CALM 30.12S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-280800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 52 49 89 NE5 30.11S TC 11
DECATUR CLEAR 51 47 86 NE5 30.09S TC 11
PEORIA CLEAR 53 51 93 CALM 30.11R TC 12
SPRINGFIELD PTCLDY 51 49 92 N3 30.10R TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 53 49 86 NE6 30.08S TC 12
MATTOON CLEAR 50 46 86 CALM 30.07S TC 10
ILZ079-100>102-280800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 63 59 87 CALM 30.07R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLEAR 51 47 84 CALM 30.09R TC 11
MT. VERNON CLEAR 46 45 96 CALM 30.07R TC 8
CENTRALIA* CLEAR 46 45 97 CALM 30.07R FOG TC 8
SALEM* CLEAR 56 46 71 MISG 30.06S TC 13
ILZ067-068-072-073-078-083-087-091-280800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 57 48 72 N5 30.05R TC 14
FAIRFIELD* CLEAR 52 47 83 CALM 30.06R TC 11
HARRISBURG* CLEAR 48 47 95 CALM 30.06R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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