563
ASUS43 KLOT 261901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-262000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 73 51 46 E5 30.15F TC 23
STERLING* MOSUNNY 72 46 39 SE6 30.18F TC 22
SAVANNA* PTSUNNY 73 51 46 SE5 30.17F TC 23
ILZ003-004-008-010-011-017-018-262000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 71 47 42 E7 30.19F TC 22
FREEPORT* MOSUNNY 72 51 47 SE3 30.20F TC 22
DE KALB* MOSUNNY 69 48 47 S5 30.20F TC 20
ILZ005-006-012>014-019>023-262000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 68 47 46 NE9 30.18F TC 20
CHICAGO-MIDWAY PTSUNNY 67 46 47 NE6G16 30.19F TC 19
AURORA MOSUNNY 70 48 45 SE7 30.18F TC 21
JOLIET* MOSUNNY 71 48 43 NE5 30.18F TC 22
WAUKEGAN MOSUNNY 62 49 62 E7 30.21F TC 17
DUPAGE AIRPORT MOSUNNY 68 50 52 VRB6 30.18 TC 20
WHEELING MOSUNNY 66 46 48 NE7 30.22F TC 19
LANSING* MOSUNNY 69 47 45 E7 30.19F TC 21
NORTHERLY ISL* N/A 65 50 58 NE7 N/A TC 18
LMZ740>746-262000-
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 20/ 6/ 10 1021.6F 2/ 4
WAUKEGAN HARBOR 61 64 40/ 6/ 10 1022.2F 2/ 4
WILMETTE BUOY 61 40/ 6/ 10 1025.2F 2/ 4
CHICAGO BUOY 62 64 50/ 8/ 10 1021.7F 1/ 4
HARRISON CRIB 61 50/ 7/ 7 N/A
NORTHERLY ISL 65 30/ 4/ 6 N/A
CALUMET HARBOR 64 20/ 8/ 10 1022.9
MICHIGAN CITY 62 20/ 9/ 10 1022.0F
MICH CITY BUOY 59 61 10/ 12/ 14 N/A 1/ 2
ST. JOSEPH BUOY 53 52 340/ 6/ 6 1023.6F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-262000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 62 57 83 E8 30.15F TC 17
MACOMB* CLOUDY 66 54 65 CALM 30.20F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-262000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 72 50 45 SE6 30.17F TC 22
DECATUR CLOUDY 74 47 38 SE5 30.15F TC 23
PEORIA CLOUDY 70 51 51 NE5 30.16F TC 21
SPRINGFIELD PTSUNNY 71 50 47 CALM 30.16F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-262000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 72 48 42 VRB5 30.16F TC 22
MATTOON MOSUNNY 75 43 31 CALM 30.14F TC 24
ILZ079-100>102-262000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 72 48 43 E5 30.16 TC 22
BELLEVILLE PTSUNNY 74 50 42 CALM 30.11F TC 23
CAHOKIA* CLOUDY 69 55 60 CALM 30.14F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE N/A 75 46 35 VRB5 30.12F TC 24
EFFINGHAM* PTSUNNY 73 46 37 CALM 30.16F TC 23
MARION MOSUNNY 75 43 31 E6 30.13F TC 24
MT. VERNON CLOUDY 72 46 39 E5 30.14F TC 22
CENTRALIA* CLOUDY 71 48 44 CALM 30.15F TC 22
SALEM* CLOUDY 71 51 48 MISG 30.15F TC 22
ILZ067-068-072-073-078-083-087-091-262000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 76 43 30 MISG 30.13F TC 24
FAIRFIELD* PTSUNNY 72 44 37 CALM 30.13F TC 22
HARRISBURG* PTSUNNY 73 47 39 E3 30.12F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page