676
ASUS43 KLOT 281301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-281400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 52 51 97 CALM 30.14R TC 11
STERLING* MOSUNNY 51 51 100 CALM 30.15R TC 11
SAVANNA* PTSUNNY 56 56 100 CALM 30.14R TC 14
ILZ003-004-008-010-011-017-018-281400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 49 96 CALM 30.15S TC 10
FREEPORT* CLOUDY 55 54 95 CALM 30.16R TC 13
DE KALB* MOSUNNY 51 51 100 CALM 30.15R FOG TC 10
ILZ005-006-012>014-019>023-281400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 56 49 77 CALM 30.11S TC 13
CHICAGO-MIDWAY MOSUNNY 56 51 84 NW3 30.11S TC 13
AURORA MOSUNNY 50 49 96 CALM 30.12S FOG TC 10
JOLIET* MOSUNNY 53 53 100 N3 30.13S TC 11
WAUKEGAN PTSUNNY 55 51 86 NW6 30.11F TC 13
DUPAGE AIRPORT MOSUNNY 50 48 93 N3 30.13R TC 10
KANKAKEE* FOG 49 47 95 CALM 30.12S VSB 3/4 TC 9
WHEELING MOSUNNY 54 51 90 N5 30.13S TC 12
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 61 55 81 NW3 N/A TC 16
LMZ740>746-281400-
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 58 64 300/ 8/ 10 1020.6R 1/ 4
WAUKEGAN HARBOR 57 64 280/ 10/ 12 1019.1S 1/ 4
WILMETTE BUOY 61 330/ 10/ 14 1021.2R 2/ 4
CHICAGO BUOY 59 63 320/ 10/ 14 1018.0S 2/ 4
HARRISON CRIB 59 320/ 9/ 10 N/A
NORTHERLY ISL 58 270/ 3/ 4 N/A
CALUMET HARBOR 55 280/ 2/ 3 1019.4S
MICHIGAN CITY 59 110/ 1/ 1 1018.4F
MICH CITY BUOY 60 61 70/ 4/ 6 N/A 1/ 4
ST. JOSEPH BUOY 56 59 30/ 4/ 6 1019.8R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 59 55 87 E3 30.12S TC 15
GALESBURG* SUNNY 50 50 100 CALM 30.15S TC 10
MACOMB* SUNNY 51 51 100 CALM 30.15S FOG TC 10
JACKSONVILLE* MOSUNNY 53 53 100 CALM 30.13R TC 11
PITTSFIELD* PTSUNNY 58 56 94 CALM 30.13S TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-281400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 52 52 100 N5 30.14R TC 11
DECATUR FOG 53 53 100 N6 30.13R VSB 1/4 TC 12
PEORIA MOSUNNY 51 50 96 NE3 30.13R TC 11
LACON* FOG 49 47 95 CALM 30.13S VSB<1/4 TC 9
LINCOLN* MOSUNNY 52 52 100 CALM 30.14R TC 11
SPRINGFIELD MOSUNNY 51 49 92 CALM 30.13R TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FOG 53 52 96 N5 30.12R VSB<1/4 TC 12
MATTOON FOG 48 48 100 N3 30.10R VSB 1/4 TC 9
ILZ079-100>102-281400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 57 52 82 VRB3 30.11R TC 14
CAHOKIA* MOSUNNY 62 51 67 CALM 30.10R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 52 52 100 CALM 30.09R TC 11
CAIRO* SUNNY 58 53 85 CALM 30.08R TC 14
EFFINGHAM* SUNNY 52 50 92 CALM 30.12R TC 11
MT. VERNON SUNNY 52 50 93 N3 30.10R TC 11
CENTRALIA* MOSUNNY 51 50 97 CALM 30.10R TC 11
SALEM* MOSUNNY 55 52 89 MISG 30.10R TC 13
ILZ067-068-072-073-078-083-087-091-281400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 54 50 86 MISG 30.09R TC 12
FLORA* SUNNY 52 50 93 NE3 30.10R TC 11
FAIRFIELD* SUNNY 54 47 78 N3 30.09R TC 12
HARRISBURG* SUNNY 50 49 98 CALM 30.09R TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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