878
ASUS43 KLOT 262201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SAT SEP 26 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.
ILZ001-002-007-009-015-016-024-262300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 54 60 CALM 30.10F TC 20
STERLING* PTSUNNY 73 46 38 SE5 30.12F TC 23
SAVANNA* PTSUNNY 71 52 51 SE3 30.11F TC 22
ILZ003-004-008-010-011-017-018-262300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 70 50 49 NE5 30.13F TC 21
FREEPORT* PTSUNNY 69 48 47 SE6 30.14F TC 21
DE KALB* MOSUNNY 70 49 47 E7 30.14F TC 21
ILZ005-006-012>014-019>023-262300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 66 47 50 NE9 30.14F TC 19
CHICAGO-MIDWAY PTSUNNY 65 47 52 NE8 30.14F TC 18
AURORA MOSUNNY 70 48 45 E7 30.13F TC 21
JOLIET* MOSUNNY 73 47 38 E5 30.13F TC 23
WAUKEGAN MOSUNNY 60 51 72 NE6 30.16F TC 16
DUPAGE AIRPORT MOSUNNY 68 48 48 E12 30.14F TC 20
WHEELING MOSUNNY 63 48 58 E8 30.17F TC 17
LANSING* MOSUNNY 64 48 56 NE5 30.16S TC 18
NORTHERLY ISL* N/A 61 48 62 N5 N/A TC 16
LMZ740>746-262300-
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 62 65 360/ 6/ 10 1020.1F 1/ 4
WAUKEGAN HARBOR 61 64 40/ 6/ 10 1021.0F 1/ 4
WILMETTE BUOY 61 20/ 6/ 8 1023.7F 1/ 4
CHICAGO BUOY 62 64 20/ 8/ 12 1020.0F 1/ 3
HARRISON CRIB 61 30/ 8/ 9 N/A
NORTHERLY ISL 63 20/ 5/ 9 N/A
CALUMET HARBOR 61 360/ 7/ 9 1021.2F
MICHIGAN CITY 63 30/ 9/ 9 1020.4F
MICH CITY BUOY 60 62 30/ 8/ 10 N/A 1/ 2
ST. JOSEPH BUOY 55 53 40/ 6/ 6 1022.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-262300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 51 60 SE8 30.10F TC 18
MACOMB* PTSUNNY 63 54 73 S6 30.13F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-262300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 73 47 39 W5 30.12F TC 23
DECATUR MOSUNNY 75 49 39 NW5 30.10F TC 24
PEORIA PTSUNNY 71 51 49 CALM 30.10F TC 22
SPRINGFIELD CLOUDY 71 48 43 W3 30.10F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-262300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 73 44 35 NE5 30.10F TC 23
MATTOON MOSUNNY 75 46 35 CALM 30.08F TC 24
ILZ079-100>102-262300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 65 55 70 CALM 30.09F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 45 35 NE7 30.08F TC 23
EFFINGHAM* PTSUNNY 75 43 30 CALM 30.10F TC 24
MT. VERNON MOSUNNY 71 49 45 CALM 30.09F TC 22
CENTRALIA* CLOUDY 71 52 51 CALM 30.10S TC 21
SALEM* CLOUDY 73 49 43 MISG 30.10S TC 23
ILZ067-068-072-073-078-083-087-091-262300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 76 46 34 NE9 30.07F TC 24
FAIRFIELD* PTSUNNY 73 46 38 SW3 30.08F TC 23
HARRISBURG* CLOUDY 72 48 42 N5 30.08F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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