840
ASUS43 KLOT 240211
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT WED SEP 23 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.
ILZ001-002-007-009-015-016-024-240300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 63 55 75 E9 30.33R TC 17
STERLING* CLOUDY 63 53 70 E8 30.37R TC 17
SAVANNA* CLOUDY 63 54 73 E8 30.36S TC 17
ILZ003-004-008-010-011-017-018-240300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 62 54 74 NE6 30.40R TC 17
FREEPORT* CLOUDY 61 55 81 E6 30.40R TC 16
ROCHELLE* CLOUDY 62 55 77 E12 30.38S TC 17
DE KALB* CLOUDY 60 56 89 NE5 30.39S TC 15
PERU* CLOUDY 63 55 77 NE9 30.36S TC 17
ILZ005-006-012>014-019>023-240300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 65 53 65 E14G22 30.36R TC 18
CHICAGO-MIDWAY CLOUDY 65 54 67 E13 30.35S TC 18
AURORA CLOUDY 62 56 80 NE3 30.37R TC 17
JOLIET* CLOUDY 64 57 78 N3 30.36S TC 18
WAUKEGAN CLOUDY 63 57 81 NE7 30.37R TC 17
DUPAGE AIRPORT CLOUDY 63 54 72 NE5 30.37R TC 17
KANKAKEE* CLOUDY 61 56 85 NE5 30.35F TC 16
WHEELING CLOUDY 65 54 67 E6 30.38R TC 18
ROMEOVILLE* CLOUDY 63 55 77 NE9 30.37R TC 17
LANSING* CLOUDY 62 54 75 NE5 30.36R TC 17
NORTHERLY ISL* N/A 63 55 75 NE13 N/A TC 17
LMZ740>746-240300-
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 65 63 20/ 14/ 19 1026.1 3/ 4
WAUKEGAN HARBOR 65 64 40/ 10/ 12 1026.9 3/ 4
WILMETTE BUOY 65 70/ 12/ 16 1029.8R 3/ 5
CHICAGO BUOY 65 64 1026.7 3/ 6
HARRISON CRIB 65 60/ 15/ 16 N/A
NORTHERLY ISL 63 50/ 10 N/A
CALUMET HARBOR 64 30/ 8/ 11 1027.7
MICHIGAN CITY 54 40/ 5/ 5 1027.2R
MICH CITY BUOY 54 55 30/ 6/ 8 N/A 2/ 5
ST. JOSEPH BUOY 56 50 50/ 6/ 8 1028.4S 1/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-240300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 62 55 77 E7 30.30R TC 17
GALESBURG* CLOUDY 63 56 78 NE7 30.35S TC 17
MACOMB* CLOUDY 63 59 87 NE3 30.34S TC 17
JACKSONVILLE* CLOUDY 64 56 73 NE9 30.31R TC 18
PITTSFIELD* CLOUDY 65 56 70 NE8 30.30F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-240300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 60 58 95 NE7 30.35F TC 15
BLOOMINGTON CLOUDY 59 59 100 NE12 30.34S FOG TC 15
DECATUR CLOUDY 61 57 87 NE12 30.31R TC 16
PEORIA CLOUDY 63 56 78 E12 30.34R TC 17
LACON* CLOUDY 61 54 77 E8 30.34R TC 16
LINCOLN* CLOUDY 64 57 80 NE10 30.33R TC 18
SPRINGFIELD CLOUDY 64 56 75 NE9 30.31R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-240300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 60 58 92 NE8 30.31S FOG TC 16
RANTOUL* CLOUDY 59 59 99 NE9 30.32S TC 15
MATTOON CLOUDY 60 57 89 NE8 30.29R TC 16
PARIS* CLOUDY 59 58 97 NE5 30.30S TC 15
ILZ079-100>102-240300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 57 72 NE7 30.28R TC 19
CAHOKIA* CLOUDY 67 57 70 E6 30.26S TC 19
SPARTA* CLOUDY 64 57 78 NE3 30.27S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 68 60 74 N7 30.23S TC 20
EFFINGHAM* CLOUDY 62 56 80 CALM 30.30S TC 17
MARION CLOUDY 66 55 68 N9 30.25S TC 19
MT. VERNON CLOUDY 64 57 78 NE7 30.27R TC 18
CENTRALIA* CLOUDY 64 56 73 NE6 30.27S TC 18
SALEM* CLOUDY 65 57 75 MISG 30.27S TC 18
METROPOLIS* CLOUDY 66 56 70 N5 30.24S TC 19
ILZ067-068-072-073-078-083-087-091-240300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 63 58 83 N9 30.26S TC 17
FLORA* CLOUDY 63 57 82 N6 30.28S TC 17
FAIRFIELD* CLOUDY 64 56 76 N5 30.26S HAZE TC 18
HARRISBURG* CLOUDY 65 59 79 N9 30.25R TC 19
ROBINSON* CLOUDY 63 59 88 N6 30.26S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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