552
ASUS43 KLOT 262001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-262100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 72 52 49 VRB6 30.13F TC 22
STERLING* MOSUNNY 74 45 35 CALM 30.16F TC 23
SAVANNA* MOSUNNY 73 51 45 S3 30.15F TC 23
ILZ003-004-008-010-011-017-018-262100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 72 48 42 E7 30.17F TC 22
FREEPORT* MOSUNNY 71 49 46 E7 30.18F TC 22
DE KALB* MOSUNNY 71 46 41 SE3 30.18F TC 22
ILZ005-006-012>014-019>023-262100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 68 46 45 E8 30.17F TC 20
CHICAGO-MIDWAY PTSUNNY 67 47 48 E7 30.17F TC 19
AURORA MOSUNNY 71 47 42 E9 30.16F TC 22
JOLIET* MOSUNNY 73 48 41 CALM 30.16F TC 23
WAUKEGAN MOSUNNY 63 49 60 SE6 30.19F TC 17
DUPAGE AIRPORT MOSUNNY 70 48 45 NE5 30.17F TC 21
WHEELING PTSUNNY 65 46 50 NE5 30.19F TC 18
LANSING* MOSUNNY 69 47 45 E7 30.17F TC 21
NORTHERLY ISL* N/A 65 47 52 NE9 N/A TC 18
LMZ740>746-262100-
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 61 65 10/ 6/ 10 1020.8F 2/ 4
WAUKEGAN HARBOR 61 64 20/ 6/ 10 1021.7F 1/ 3
WILMETTE BUOY 61 20/ 4/ 8 1024.4F 1/ 4
CHICAGO BUOY 62 64 50/ 8/ 12 1020.9F 1/ 3
HARRISON CRIB 61 60/ 8/ 9 N/A
NORTHERLY ISL 65 30/ 7/ 9 N/A
CALUMET HARBOR 63 10/ 8/ 11 1022.2
MICHIGAN CITY 63 20/ 8/ 10 1021.2F
MICH CITY BUOY 60 61 10/ 10/ 14 N/A 1/ 2
ST. JOSEPH BUOY 54 53 20/ 4/ 6 1022.8F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-262100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 63 54 72 E9 30.13F TC 17
MACOMB* CLOUDY 64 55 72 SW6 30.18F TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-262100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 75 48 38 S3 30.15F TC 24
DECATUR CLOUDY 75 48 38 NW5 30.13F TC 24
PEORIA CLOUDY 72 51 47 N5 30.14F TC 22
SPRINGFIELD PTSUNNY 72 50 45 W3 30.14F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-262100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 45 35 VRB3 30.13F TC 23
MATTOON PTSUNNY 76 43 30 VRB3 30.12F TC 24
ILZ079-100>102-262100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 68 54 60 VRB5 30.13F TC 20
BELLEVILLE CLOUDY 74 49 41 CALM 30.09F TC 23
CAHOKIA* LGT RAIN 68 56 65 NW3 30.12F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 77 43 29 VRB7 30.09F TC 25
EFFINGHAM* CLOUDY 73 43 34 CALM 30.13F TC 23
MT. VERNON PTSUNNY 72 48 42 NE3 30.12F TC 22
CENTRALIA* CLOUDY 72 47 41 CALM 30.13F TC 22
SALEM* CLOUDY 73 47 40 MISG 30.13F TC 23
ILZ067-068-072-073-078-083-087-091-262100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 76 46 34 VRB5 30.10F TC 24
FAIRFIELD* MOSUNNY 72 44 36 N3 30.11F TC 22
HARRISBURG* PTSUNNY 73 46 37 N5 30.11F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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