772
ASUS43 KLOT 271306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SUN SEP 27 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.
ILZ001-002-007-009-015-016-024-271400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 56 52 86 E3 30.12R TC 13
STERLING* PTSUNNY 53 53 100 E5 30.14S TC 12
SAVANNA* PTSUNNY 53 52 95 NE3 30.14S TC 12
ILZ003-004-008-010-011-017-018-271400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 52 50 93 CALM 30.16S TC 11
FREEPORT* MOSUNNY 50 48 95 CALM 30.16S TC 10
ROCHELLE* MOSUNNY 51 51 100 NE3 30.15S FOG TC 11
DE KALB* FOG 50 50 100 CALM 30.16R VSB<1/4 TC 10
ILZ005-006-012>014-019>023-271400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FOG 53 52 96 CALM 30.13S VSB 1/4 TC 12
CHICAGO-MIDWAY PTSUNNY 54 52 93 CALM 30.13S TC 12
AURORA MOSUNNY 52 52 100 CALM 30.14S FOG TC 11
JOLIET* MOSUNNY 53 53 100 CALM 30.14S TC 12
WAUKEGAN MOSUNNY 52 52 100 CALM 30.14R TC 11
DUPAGE AIRPORT FOG 49 49 100 N5 30.14S VSB 1/8 TC 9
KANKAKEE* SUNNY 50 48 94 CALM 30.14S FOG TC 10
WHEELING CLOUDY 52 50 93 NW3 30.15R TC 11
LANSING* FOG 48 48 100 CALM 30.14S VSB<1/4 TC 9
NORTHERLY ISL* N/A 61 55 81 W1 N/A TC 16
LMZ740>746-271400-
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 57 64 260/ 6/ 8 1019.1R 1/ 3
WAUKEGAN HARBOR 57 63 310/ 6/ 8 1019.9R 1/ 3
WILMETTE BUOY 65 80/ 2/ 4 1022.2R 1/ 3
CHICAGO BUOY 65 63 10/ 2/ 4 1019.1R 1/ 3
HARRISON CRIB 63 350/ 1/ 2 N/A
NORTHERLY ISL 59 CALM / 2 N/A
CALUMET HARBOR 56 210/ 1/ 1 1020.4
MICHIGAN CITY 52 130/ 2/ 2 1019.7R
MICH CITY BUOY 58 62 90/ 4/ 4 N/A 1
ST. JOSEPH BUOY 52 53 90/ 2/ 2 1020.9R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 58 56 93 CALM 30.12S TC 14
GALESBURG* CLOUDY 57 54 88 CALM 30.13R TC 14
MACOMB* CLOUDY 59 59 100 CALM 30.14R TC 15
JACKSONVILLE* CLOUDY 59 59 100 W5 30.12R TC 15
PITTSFIELD* CLOUDY 59 58 96 CALM 30.14R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-271400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 51 51 100 CALM 30.14S TC 11
BLOOMINGTON MOSUNNY 52 51 97 NE6 30.14R TC 11
DECATUR MOSUNNY 53 49 86 CALM 30.12R TC 12
PEORIA PTSUNNY 54 51 90 E5 30.12R TC 12
LACON* PTSUNNY 51 48 89 NE3 30.12S TC 11
LINCOLN* MOSUNNY 56 51 84 E3 30.12S TC 13
SPRINGFIELD CLOUDY 62 52 69 E5 30.11R TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 53 47 79 E5 30.13R TC 12
RANTOUL* MOSUNNY 55 50 85 CALM 30.13R TC 13
MATTOON SUNNY 52 49 89 NE3 30.11R TC 11
PARIS* SUNNY 52 50 93 CALM 30.12R TC 11
ILZ079-100>102-271400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 61 59 93 CALM 30.10R TC 16
SPARTA* CLOUDY 60 57 89 CALM 30.11S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 57 55 94 CALM 30.08R TC 14
CAIRO* CLOUDY 63 56 78 CALM 30.07R TC 17
EFFINGHAM* MOSUNNY 55 51 85 CALM 30.12R TC 13
MARION PTSUNNY 57 54 88 CALM 30.08R TC 14
MT. VERNON CLOUDY 62 53 72 NE6 30.09R TC 17
CENTRALIA* PTSUNNY 60 56 85 CALM 30.10R TC 16
SALEM* PTSUNNY 63 53 67 MISG 30.10R TC 17
METROPOLIS* PTSUNNY 62 51 67 N3 30.07S TC 17
ILZ067-068-072-073-078-083-087-091-271400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 56 51 84 N3 30.10R TC 13
FLORA* MOSUNNY 57 52 82 NE3 30.10S TC 14
FAIRFIELD* MOSUNNY 60 50 68 NE3 30.09R TC 16
HARRISBURG* PTSUNNY 62 54 74 CALM 30.08S TC 17
ROBINSON* SUNNY 54 52 94 N2 30.10R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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