555
ASUS43 KLOT 261301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-261400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 56 51 84 E6 30.21R TC 13
STERLING* SUNNY 52 51 97 E3 30.24R TC 11
ILZ003-004-008-010-011-017-018-261400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 52 49 89 CALM 30.25S TC 11
FREEPORT* SUNNY 49 47 95 CALM 30.25R TC 9
DE KALB* SUNNY 52 51 98 E6 30.25S TC 11
ILZ005-006-012>014-019>023-261400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 56 51 84 E3 30.23R TC 13
CHICAGO-MIDWAY MOSUNNY 58 52 80 E6 30.24R TC 14
AURORA SUNNY 52 51 97 CALM 30.24R TC 11
JOLIET* SUNNY 53 53 100 CALM 30.24S TC 11
WAUKEGAN SUNNY 56 52 86 E5 30.24R TC 13
DUPAGE AIRPORT SUNNY 51 49 92 CALM 30.24R TC 11
KANKAKEE* SUNNY 51 49 95 CALM 30.24R TC 11
WHEELING MOSUNNY 54 52 93 CALM 30.25R TC 12
LANSING* SUNNY 52 48 87 CALM 30.25R TC 11
NORTHERLY ISL* N/A 59 52 77 E10 N/A TC 15
LMZ740>746-261400-
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 64 60/ 12/ 16 1022.1R 2/ 4
WAUKEGAN HARBOR 62 63 70/ 12/ 16 1023.0R 2/ 4
WILMETTE BUOY 61 90/ 12/ 16 1025.4R 2/ 3
CHICAGO BUOY 60 63 110/ 10/ 14 1022.7R 2/ 3
HARRISON CRIB 59 100/ 11/ 13 N/A
NORTHERLY ISL 59 90/ 10 N/A
CALUMET HARBOR 59 80/ 7/ 9 1023.8R
MICHIGAN CITY 55 60/ 3/ 5 1023.6S
MICH CITY BUOY 55 60 90/ 10/ 12 N/A 1/ 2
ST. JOSEPH BUOY 51 52 80/ 4/ 6 1024.9R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-261400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 53 80 E6 30.17F TC 15
GALESBURG* CLOUDY 57 54 89 E3 30.23R TC 14
MACOMB* CLOUDY 58 56 95 CALM 30.23R TC 14
JACKSONVILLE* CLOUDY 58 52 81 CALM 30.19R TC 15
PITTSFIELD* CLOUDY 59 58 96 CALM 30.19F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-261400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 52 52 98 E3 30.22S TC 11
BLOOMINGTON SUNNY 53 52 96 E7 30.21S TC 12
DECATUR CLOUDY 58 52 80 E10 30.19R TC 14
PEORIA PTSUNNY 58 52 80 E6 30.20R TC 14
LACON* SUNNY 53 48 82 CALM 30.21R TC 12
LINCOLN* PTSUNNY 59 54 81 CALM 30.20R TC 15
SPRINGFIELD CLOUDY 59 52 77 E5 30.19R TC 15
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 55 51 86 E9 30.21R TC 13
RANTOUL* SUNNY 53 51 94 E5 30.21S TC 12
MATTOON MOSUNNY 57 52 83 NE7 30.18R TC 14
PARIS* SUNNY 54 51 87 NE7 30.20S TC 12
ILZ079-100>102-261400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 61 52 72 E3 30.18R TC 16
BELLEVILLE CLOUDY 62 57 82 CALM 30.15R TC 17
CAHOKIA* CLOUDY 63 54 72 NE3 30.16R TC 17
SPARTA* PTSUNNY 61 53 73 CALM 30.17R TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTSUNNY 61 57 87 CALM 30.14S TC 16
EFFINGHAM* CLOUDY 59 53 81 NE3 30.19R TC 15
MARION MOSUNNY 61 54 77 CALM 30.16R TC 16
MT. VERNON MOSUNNY 61 51 70 NE3 30.17R TC 16
CENTRALIA* PTSUNNY 60 53 77 E5 30.17R TC 16
SALEM* PTSUNNY 62 53 72 MISG 30.17R TC 17
METROPOLIS* MOSUNNY 60 53 76 CALM 30.15R TC 16
ILZ067-068-072-073-078-083-087-091-261400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 59 52 77 NE6 30.17R TC 15
FLORA* PTSUNNY 59 54 82 NE5 30.18R TC 15
FAIRFIELD* PTSUNNY 61 50 68 NE3 30.16R TC 16
HARRISBURG* MOSUNNY 62 53 72 CALM 30.16R TC 17
ROBINSON* MOSUNNY 57 54 88 NE5 30.17F TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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