964
ASUS43 KLOT 280506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-280600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 56 55 97 W3 30.10R TC 13
STERLING* PTCLDY 54 52 93 CALM 30.11S TC 12
SAVANNA* PTCLDY 55 55 97 CALM 30.11S TC 13
ILZ003-004-008-010-011-017-018-280600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 51 51 100 CALM 30.12S TC 11
FREEPORT* PTCLDY 51 50 95 CALM 30.13S TC 11
ROCHELLE* CLEAR 50 49 99 CALM 30.12S TC 10
DE KALB* CLEAR 51 51 98 N3 30.12S TC 11
ILZ005-006-012>014-019>023-280600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 57 54 89 NW3 30.08S TC 14
CHICAGO-MIDWAY CLEAR 55 53 93 NW5 30.08F TC 13
AURORA CLEAR 48 47 96 CALM 30.10S TC 9
JOLIET* CLEAR 52 52 100 CALM 30.10S TC 11
WAUKEGAN CLEAR 53 52 96 NW5 30.09S TC 12
DUPAGE AIRPORT CLEAR 50 48 93 CALM 30.10S TC 10
KANKAKEE* CLEAR 51 50 95 CALM 30.09S TC 11
WHEELING PTCLDY 52 52 100 CALM 30.11S TC 11
ROMEOVILLE* CLEAR 55 55 100 N7 30.10S TC 13
LANSING* FOG 50 49 98 CALM 30.09S VSB 1/2 TC 10
NORTHERLY ISL* N/A 60 54 80 NW6 N/A TC 16
LMZ740>746-280600-
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 60 65 300/ 8/ 10 1017.8F 1
WAUKEGAN HARBOR 59 64 280/ 6/ 8 1018.6F 1
WILMETTE BUOY 64 10/ 8/ 10 1020.6F 1/ 3
CHICAGO BUOY 65 64 350/ 6/ 10 1017.6F 1/ 3
HARRISON CRIB 64 350/ 8/ 9 N/A
NORTHERLY ISL 60 360/ 5/ 6 N/A
CALUMET HARBOR 62 350/ 4/ 5 1018.7
MICHIGAN CITY 61 20/ 4/ 5 1017.7S
MICH CITY BUOY 62 62 40/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 57 58 CALM 1019.0F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-280600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 56 86 N5 30.09S TC 16
GALESBURG* PTCLDY 55 55 100 CALM 30.11R TC 13
MACOMB* PTCLDY 57 57 100 N3 30.12R TC 14
JACKSONVILLE* MOCLDY 59 59 100 CALM 30.08S TC 15
PITTSFIELD* MOCLDY 63 56 77 N6 30.10S TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-280600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 48 48 99 CALM 30.10R TC 9
BLOOMINGTON PTCLDY 52 49 89 MISG 30.10S TC 11
DECATUR CLEAR 52 47 83 CALM 30.08R TC 11
PEORIA CLEAR 54 51 90 E3 30.09R TC 12
LACON* PTCLDY 52 48 88 CALM 30.09R TC 11
LINCOLN* CLEAR 55 49 79 CALM 30.09R TC 13
SPRINGFIELD CLEAR 52 50 93 CALM 30.08R TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 57 47 69 NE8 30.08S TC 14
RANTOUL* CLEAR 54 49 85 NE3 30.09R TC 12
MATTOON CLEAR 53 47 79 N3 30.06S TC 12
ILZ079-100>102-280600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 64 56 73 CALM 30.07R TC 18
CAHOKIA* MOCLDY 65 57 75 CALM 30.06R TC 18
SPARTA* MOCLDY 64 55 72 CALM 30.06S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 58 54 87 CALM 30.04R TC 14
EFFINGHAM* PTCLDY 52 50 94 CALM 30.07R TC 11
MARION PTCLDY 54 54 100 CALM 30.05R TC 12
MT. VERNON CLEAR 49 48 97 CALM 30.05R TC 9
CENTRALIA* PTCLDY 50 49 95 CALM 30.05S TC 10
SALEM* CLEAR 52 48 84 MISG 30.05S TC 11
METROPOLIS* PTCLDY 53 52 97 CALM 30.04R TC 11
ILZ067-068-072-073-078-083-087-091-280600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 53 50 89 CALM 30.04S TC 12
FLORA* CLEAR 54 52 94 CALM 30.05S TC 12
FAIRFIELD* CLEAR 53 47 79 CALM 30.04S TC 12
HARRISBURG* PTCLDY 50 48 90 CALM 30.04S TC 10
ROBINSON* CLEAR 48 48 100 NW3 30.05R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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