194
ASUS43 KLOT 290406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM 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.
ILZ001-002-007-009-015-016-024-290500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 53 51 93 E3 30.02F TC 12
STERLING* CLEAR 56 49 77 E5 30.05S TC 13
SAVANNA* CLEAR 57 55 92 CALM 30.04S TC 14
ILZ003-004-008-010-011-017-018-290500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 55 51 86 CALM 30.07S TC 13
FREEPORT* CLEAR 54 51 89 E3 30.06S TC 12
ROCHELLE* CLEAR 51 50 98 E5 30.06S TC 11
DE KALB* CLEAR 55 53 91 CALM 30.07S TC 13
ILZ005-006-012>014-019>023-290500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 61 57 87 E5 30.04F TC 16
CHICAGO-MIDWAY CLEAR 62 58 86 NE3 30.05S TC 17
AURORA CLEAR 54 52 93 CALM 30.05F TC 12
JOLIET* CLEAR 54 53 95 CALM 30.06S TC 12
WAUKEGAN PTCLDY 52 52 100 CALM 30.05S FOG TC 11
DUPAGE AIRPORT CLEAR 54 51 90 CALM 30.06S TC 12
KANKAKEE* CLEAR 53 52 95 CALM 30.07S TC 12
WHEELING PTCLDY 57 56 96 CALM 30.07S TC 14
ROMEOVILLE* CLEAR 59 55 88 CALM 30.06F TC 15
LANSING* CLEAR 55 54 97 CALM 30.06S TC 13
NORTHERLY ISL* N/A 61 58 90 N3 N/A TC 16
LMZ740>746-290500-
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 65 260/ 2/ 2 1016.7F 0
WAUKEGAN HARBOR 62 65 220/ 2/ 2 1017.5F 0
WILMETTE BUOY 65 40/ 2/ 4 1019.8F 1
CHICAGO BUOY 64 64 40/ 2/ 4 1016.8R 1
HARRISON CRIB 64 50/ 4/ 5 N/A
NORTHERLY ISL 61 20/ 2/ 3 N/A
CALUMET HARBOR 62 20/ 2/ 3 1017.9R
MICHIGAN CITY 60 80/ 3/ 3 1016.9S
MICH CITY BUOY 62 62 60/ 4/ 6 N/A 1
ST. JOSEPH BUOY 61 62 80/ 2/ 4 1018.4S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-290500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 61 49 64 SE5 30.02S TC 16
GALESBURG* CLEAR 50 49 98 CALM 30.04F TC 10
MACOMB* CLEAR 47 47 100 CALM 30.04F TC 9
JACKSONVILLE* CLEAR 51 50 99 CALM 30.03F TC 10
PITTSFIELD* CLEAR 58 49 72 CALM 30.04S TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-290500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 53 53 97 CALM 30.06S TC 12
BLOOMINGTON CLEAR 55 52 89 E9 30.06F TC 13
DECATUR CLEAR 53 48 83 CALM 30.05S TC 12
PEORIA CLEAR 54 50 86 CALM 30.04S TC 12
LACON* CLEAR 52 47 84 CALM 30.04S TC 11
SPRINGFIELD CLEAR 50 48 93 CALM 30.04S TC 10
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-290500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 56 48 74 E5 30.05S TC 13
RANTOUL* CLEAR 59 51 76 NE3 30.05F TC 15
MATTOON CLEAR 57 53 86 CALM 30.04S TC 14
PARIS* CLEAR 53 50 90 CALM 30.05S TC 12
ILZ079-100>102-290500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 54 50 87 CALM 30.02F TC 12
CAHOKIA* CLEAR 55 54 96 SE5 30.01F TC 13
SPARTA* CLEAR 58 48 70 CALM 30.04S HAZE TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 58 55 92 CALM 30.02S TC 14
EFFINGHAM* CLEAR 54 52 94 CALM 30.06S TC 12
MARION CLEAR 57 48 72 SW1 30.02S TC 14
MT. VERNON CLEAR 52 49 89 CALM 30.04R TC 11
CENTRALIA* CLEAR 54 48 82 CALM 30.03S TC 12
SALEM* CLEAR 65 49 55 MISG 30.03S TC 19
METROPOLIS* CLEAR 52 51 97 CALM 30.02S TC 11
ILZ067-068-072-073-078-083-087-091-290500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 57 53 86 CALM 30.03S TC 14
FLORA* CLEAR 57 52 82 CALM 30.04S TC 14
FAIRFIELD* CLEAR 61 48 61 CALM 30.03S TC 16
HARRISBURG* CLEAR 54 50 86 CALM 30.03S TC 12
ROBINSON* CLEAR 50 50 100 W1 30.03S TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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