230
ASUS43 KLOT 150507
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT MON SEP 15 2025
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.
ILZ001-002-007-009-015-016-024-150600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 66 84 E9 30.05R TC 22
STERLING* CLEAR 67 66 97 E6 30.08S TC 19
ILZ003-004-008-010-011-017-018-150600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 69 59 70 E7 30.11S TC 21
ROCHELLE* CLEAR 67 58 72 E7 30.10S TC 20
DE KALB* CLEAR 65 61 85 E6 30.12S TC 19
PERU* CLEAR 69 63 81 E5 30.08S TC 21
ILZ005-006-012>014-019>023-150600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 70 62 76 E6 30.11R TC 21
CHICAGO-MIDWAY CLEAR 72 62 71 E3 30.11R TC 22
AURORA CLEAR 66 60 81 E5 30.10R TC 19
JOLIET* CLEAR 71 62 71 E5 30.11R TC 22
WAUKEGAN CLEAR 67 61 81 E5 30.12R TC 19
DUPAGE AIRPORT CLEAR 69 61 75 NE5 30.11R TC 21
KANKAKEE* CLEAR 70 57 64 E8 30.11R TC 21
WHEELING CLEAR 66 63 90 CALM 30.13R TC 19
MORRIS* CLEAR 66 62 86 E3 30.09S TC 19
ROMEOVILLE* CLEAR 70 64 83 E7 30.11S TC 21
LANSING* CLEAR 67 59 75 E5 30.12R TC 19
LMZ740>746-150600-
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)
S. MID LAKE BUOY 70 67 100/ 8/ 10 1020.1R
WINTHROP HARBOR 69 66 300/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 72 70 N/A 1/ 3
WILMETTE BUOY 72 100/ 10/ 14 1021.7R 1/ 3
CHICAGO BUOY 72 66 110/ 8/ 10 1020.1R 1/ 3
HARRISON CRIB 73 110/ 12/ 13 N/A
CALUMET HARBOR 71 90/ 5/ 6 1018.5
BURNS HARBOR 73 120/ 8/ 12 1020.0S
MICHIGAN CITY 71 110/ 10/ 12 1018.4R
MICH CITY BUOY 70 1018.1R
ST. JOSEPH BUOY 71 69 90/ 12/ 16 1021.0R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-150600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 76 65 68 E7 30.02R TC 24
GALESBURG* PTCLDY 74 65 71 E5 30.06R TC 24
MACOMB* PTCLDY 69 66 90 CALM 30.06R TC 21
JACKSONVILLE* PTCLDY 73 65 77 E6 30.03R TC 23
PITTSFIELD* PTCLDY 75 66 74 NE3 30.03S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-150600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 69 60 75 E6 30.09R TC 20
BLOOMINGTON CLEAR 68 64 87 E7 30.08S TC 20
DECATUR CLEAR 69 65 86 NE5 30.05S TC 21
PEORIA PTCLDY 77 65 66 E9 30.05S TC 25
LACON* CLEAR 71 62 72 E8 30.05S TC 22
LINCOLN* CLEAR 71 66 84 CALM 30.05S TC 21
SPRINGFIELD PTCLDY 76 66 71 E7 30.03S TC 24
TAYLORVILLE PTCLDY 73 66 78 MISG 30.03F TC 23
ILZ033-039-045-046-055>057-062-063-150600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 71 63 75 NE6 30.07R TC 22
DANVILLE* CLEAR 70 59 68 E5 30.09R TC 21
RANTOUL* CLEAR 70 61 72 E7 30.08S TC 21
MATTOON CLEAR 74 66 76 E6 30.04S TC 23
ILZ079-100>102-150600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 74 67 80 MISG 30.01R TC 23
CAHOKIA* MOCLDY 75 68 78 CALM 29.99R TC 24
SPARTA* MOCLDY 76 69 80 CALM 30.01R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 73 67 80 NW5 29.98F TC 23
EFFINGHAM* CLEAR 75 69 80 NE7 30.04S TC 24
MARION PTCLDY 71 66 87 CALM 30.00S TC 21
MT. VERNON PTCLDY 76 69 79 NE6 30.00S TC 24
CENTRALIA* PTCLDY 72 68 88 E5 30.00S TC 22
SALEM* PTCLDY 78 68 72 E3 30.01S HX 80 TC 26
METROPOLIS* MOCLDY 71 70 96 CALM 30.00S TC 22
ILZ067-068-072-073-078-083-087-091-150600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 72 68 87 NE8 30.03S TC 22
FLORA* CLEAR 75 68 78 NE6 30.02R TC 24
FAIRFIELD* PTCLDY 74 66 76 CALM 30.00S TC 23
HARRISBURG* PTCLDY 70 64 82 MISG 29.99S TC 21
ROBINSON* CLEAR 68 66 94 E3 30.03S TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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