199
ASUS43 KLOT 291006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT TUE SEP 29 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.
ILZ001-002-007-009-015-016-024-291100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 47 46 97 E3 30.01S TC 8
STERLING* CLEAR 50 50 100 E5 30.04S TC 10
SAVANNA* PTCLDY 50 50 99 NE3 30.03S TC 10
ILZ003-004-008-010-011-017-018-291100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 49 49 100 CALM 30.06S TC 9
FREEPORT* CLEAR 50 48 95 CALM 30.06S TC 10
ROCHELLE* CLEAR 47 47 100 CALM 30.05F TC 8
DE KALB* CLEAR 51 51 100 CALM 30.06S FOG TC 11
ILZ005-006-012>014-019>023-291100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 55 53 93 CALM 30.04R TC 13
CHICAGO-MIDWAY CLEAR 55 54 96 CALM 30.05R TC 13
AURORA FOG 47 47 100 CALM 30.05S VSB 1/2 TC 8
JOLIET* N/A 50 50 100 CALM 30.06R FOG TC 10
WAUKEGAN FOG 49 49 100 CALM 30.05R VSB 1/2 TC 9
DUPAGE AIRPORT PTCLDY 48 46 93 CALM 30.05S FOG TC 9
KANKAKEE* PTCLDY 48 46 95 CALM 30.05F TC 9
WHEELING MOCLDY 52 52 100 CALM 30.06S FOG TC 11
ROMEOVILLE* MOCLDY 52 52 100 CALM 30.06R FOG TC 11
LANSING* PTCLDY 47 47 99 CALM 30.05S TC 9
NORTHERLY ISL* N/A 59 57 93 CALM N/A TC 15
LMZ740>746-291100-
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 65 280/ 6/ 6 1016.5R 0
WAUKEGAN HARBOR 58 65 260/ 4/ 6 1017.4R 0
WILMETTE BUOY 63 270/ 2/ 4 1019.2R 0
CHICAGO BUOY 63 64 210/ 2/ 2 1016.4R 1
HARRISON CRIB 63 210/ 3/ 3 N/A
NORTHERLY ISL 59 CALM / 4 N/A
CALUMET HARBOR 57 230/ 2/ 2 1017.3
MICHIGAN CITY 56 140/ 7/ 8 1016.6R
MICH CITY BUOY 60 62 150/ 4/ 6 N/A 1
ST. JOSEPH BUOY 59 61 110/ 4/ 6 1018.0R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-291100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 57 45 64 S6 30.00S TC 14
GALESBURG* PTCLDY 50 49 96 E3 30.03S TC 10
MACOMB* PTCLDY 44 44 100 CALM 30.04R TC 7
JACKSONVILLE* CLEAR 47 47 100 CALM 30.02R TC 8
PITTSFIELD* CLEAR 50 49 97 CALM 30.01S TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-291100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 49 49 100 CALM 30.05R FOG TC 9
BLOOMINGTON CLEAR 52 49 89 SE3 30.05F TC 11
DECATUR CLEAR 47 44 90 E3 30.04S TC 8
PEORIA CLEAR 52 50 93 NE3 30.02F TC 11
LACON* CLEAR 48 46 92 CALM 30.03S TC 9
SPRINGFIELD CLEAR 48 46 93 E3 30.02S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 50 48 93 CALM 30.04R TC 10
RANTOUL* CLEAR 50 49 95 CALM 30.05S TC 10
MATTOON CLEAR 50 49 96 CALM 30.03R TC 10
PARIS* CLEAR 47 46 97 CALM 30.05R FOG TC 8
ILZ079-100>102-291100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 50 47 92 CALM 30.02R TC 10
BELLEVILLE CLEAR 52 51 97 CALM 29.99S TC 11
CAHOKIA* CLEAR 51 50 96 CALM 30.01R TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 53 52 98 CALM 30.01S TC 11
EFFINGHAM* CLEAR 49 47 94 CALM 30.05R TC 10
MARION CLEAR 52 52 100 SW1 30.02S TC 11
MT. VERNON CLEAR 44 44 100 CALM 30.03S TC 7
CENTRALIA* CLEAR 47 46 95 E5 30.02S TC 8
SALEM* CLEAR 50 49 97 MISG 30.02S TC 10
METROPOLIS* CLEAR 49 49 97 CALM 30.02S TC 10
ILZ067-068-072-073-078-083-087-091-291100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 50 49 96 CALM 30.03S TC 10
FLORA* CLEAR 50 N/A N/A CALM 30.04R TC 10
FAIRFIELD* CLEAR 51 48 90 CALM 30.03S TC 10
HARRISBURG* CLEAR 48 47 96 CALM 30.03S TC 9
ROBINSON* FOG 46 46 100 CALM 30.04R VSB<1/4 TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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