985
ASUS43 KLOT 281501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-281600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 64 56 75 CALM 30.13S TC 18
STERLING* MOSUNNY 60 56 86 CALM 30.15S TC 16
SAVANNA* MOSUNNY 64 58 80 CALM 30.14R TC 18
ILZ003-004-008-010-011-017-018-281600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 62 55 77 CALM 30.14F TC 17
FREEPORT* MOSUNNY 61 60 95 CALM 30.15F TC 16
DE KALB* MOSUNNY 62 56 78 CALM 30.14S TC 17
ILZ005-006-012>014-019>023-281600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 63 55 75 N6 30.11S TC 17
CHICAGO-MIDWAY MOSUNNY 65 58 78 N3 30.11S TC 18
AURORA MOSUNNY 62 55 77 N3 30.12F TC 17
JOLIET* SUNNY 64 58 81 NE3 30.13S TC 18
WAUKEGAN PTSUNNY 61 56 83 NW3 30.12S TC 16
DUPAGE AIRPORT MOSUNNY 61 55 81 N6 30.13S TC 16
KANKAKEE* MOSUNNY 64 59 83 CALM 30.13S TC 18
WHEELING CLOUDY 63 56 78 N5 30.13S TC 17
LANSING* MOSUNNY 65 59 79 NE3 30.12S TC 19
NORTHERLY ISL* N/A 65 57 75 N9 N/A TC 18
LMZ740>746-281600-
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 64 310/ 8/ 10 1018.6R 1/ 4
WAUKEGAN HARBOR 62 64 300/ 6/ 10 1019.3S 1/ 4
WILMETTE BUOY 62 350/ 10/ 12 1021.5R 2/ 4
CHICAGO BUOY 62 63 350/ 8/ 14 1018.3F 2/ 4
HARRISON CRIB 61 330/ 8/ 9 N/A
NORTHERLY ISL 65 10/ 5/ 7 N/A
CALUMET HARBOR 63 330/ 7/ 10 1019.6
MICHIGAN CITY 63 360/ 5/ 6 1018.7
MICH CITY BUOY 60 61 360/ 4/ 6 N/A 1/ 4
ST. JOSEPH BUOY 56 59 30/ 6/ 6 1020.0F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 68 51 54 E6 30.12S TC 20
GALESBURG* SUNNY 65 56 73 CALM 30.15S TC 18
MACOMB* SUNNY 65 56 72 E6 30.16S TC 19
JACKSONVILLE* SUNNY 65 53 63 E5 30.13S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-281600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 63 55 75 NE7 30.14S TC 17
DECATUR MOSUNNY 61 57 87 NE6 30.12F TC 16
PEORIA SUNNY 63 53 70 NE6 30.13F TC 17
LACON* SUNNY 58 56 94 CALM 30.13F TC 15
LINCOLN* MOSUNNY 64 54 69 NE6 30.13S TC 18
SPRINGFIELD SUNNY 62 53 72 E3 30.13S TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 58 56 93 N5 30.13S TC 14
MATTOON SUNNY 58 55 90 N5 30.12R TC 14
ILZ079-100>102-281600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 68 46 45 NE5 30.12S TC 20
CAHOKIA* MOSUNNY 69 49 48 VRB3 30.11S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 64 52 63 CALM 30.09F TC 18
CAIRO* SUNNY 73 50 44 NE5 30.09S TC 23
EFFINGHAM* SUNNY 63 53 69 N5 30.13S TC 17
MT. VERNON SUNNY 67 51 56 NE3 30.11S TC 19
CENTRALIA* MOSUNNY 66 52 59 CALM 30.11S TC 19
SALEM* SUNNY 67 54 62 MISG 30.11S TC 19
ILZ067-068-072-073-078-083-087-091-281600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 66 53 63 NE3 30.10S TC 19
FLORA* SUNNY 64 54 68 N3 30.11S TC 18
FAIRFIELD* SUNNY 64 50 60 CALM 30.10S TC 18
HARRISBURG* SUNNY 66 51 59 CALM 30.10S TC 19
ROBINSON* SUNNY 64 54 68 VRB3 30.10S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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