342
ASUS43 KLOT 112306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT THU SEP 11 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.
ILZ001-002-007-009-015-016-024-120000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 82 53 36 E7 30.13F HX 81 TC 28
STERLING* SUNNY 81 56 42 E10 30.15F HX 81 TC 27
ILZ003-004-008-010-011-017-018-120000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 78 57 48 E7 30.17F TC 26
ROCHELLE* SUNNY 78 54 42 E6 30.17S TC 26
DE KALB* MOSUNNY 74 59 60 E9 30.19S TC 23
PERU* SUNNY 79 56 45 CALM 30.15S HX 80 TC 26
ILZ005-006-012>014-019>023-120000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 72 58 61 NE12 30.19S TC 22
CHICAGO-MIDWAY MOSUNNY 75 54 47 NE8 30.19S TC 24
AURORA SUNNY 76 58 53 NE9 30.18R TC 24
JOLIET* SUNNY 77 57 50 E8 30.18R TC 25
WAUKEGAN MOSUNNY 69 60 73 NE8 30.21S TC 21
DUPAGE AIRPORT SUNNY 75 57 53 NE10 30.18S TC 24
KANKAKEE* SUNNY 79 57 47 NE8 30.17S HX 80 TC 26
WHEELING SUNNY 71 61 70 NE9 30.22S TC 22
MORRIS* SUNNY 77 60 54 E7 30.16S TC 25
ROMEOVILLE* SUNNY 77 55 47 NE13 30.19R TC 25
LANSING* N/A 72 59 64 NE10 30.19S TC 22
LMZ740>746-120000-
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 65 66 360/ 10/ 12 1022.8F
WINTHROP HARBOR 66 67 350/ 10/ 12 N/A 2/ 4
WAUKEGAN HARBOR 67 68 N/A 2/ 4
WILMETTE BUOY 67 30/ 12/ 16 1024.5F 2/ 4
CHICAGO BUOY 68 66 360/ 8/ 12 1023.1F 2/ 4
HARRISON CRIB 68 20/ 10/ 11 N/A
CALUMET HARBOR 69 10/ 8/ 11 1021.2F
BURNS HARBOR 71 50/ 5/ 5 1022.7F
MICHIGAN CITY 69 30/ 11/ 12 1020.9F
MICH CITY BUOY 71 1020.4F
ST. JOSEPH BUOY 69 69 350/ 12/ 14 1022.9F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-120000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 85 56 37 E5 30.11S HX 84 TC 29
GALESBURG* SUNNY 83 52 34 CALM 30.15S HX 81 TC 28
MACOMB* SUNNY 84 56 37 NE5 30.15S HX 83 TC 29
JACKSONVILLE* SUNNY 83 55 36 N6 30.12F HX 82 TC 29
PITTSFIELD* SUNNY 86 58 39 NE3 30.13S HX 85 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-120000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 82 53 37 E6 30.15S HX 81 TC 28
BLOOMINGTON SUNNY 83 56 39 NE6 30.15S HX 82 TC 28
DECATUR SUNNY 86 59 39 NE8 30.12S HX 85 TC 30
PEORIA SUNNY 83 53 35 E7 30.13S HX 82 TC 28
LACON* SUNNY 82 52 35 NE3 30.13F HX 81 TC 28
LINCOLN* SUNNY 84 60 44 NE5 30.12S HX 84 TC 29
SPRINGFIELD SUNNY 86 54 33 N3 30.12R HX 84 TC 30
TAYLORVILLE SUNNY 84 54 34 MISG 30.11F HX 83 TC 29
ILZ033-039-045-046-055>057-062-063-120000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 82 56 40 NE6 30.14S HX 82 TC 28
DANVILLE* SUNNY 82 53 36 NE5 30.15S HX 81 TC 28
RANTOUL* SUNNY 82 51 33 E7 30.14S HX 81 TC 28
MATTOON CLOUDY 83 60 45 E9 30.11S HX 83 TC 28
ILZ079-100>102-120000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 59 39 E6 30.10F HX 85 TC 30
CAHOKIA* SUNNY 88 60 38 E3 30.08F HX 87 TC 31
SPARTA* SUNNY 89 56 32 N5 30.10F HX 87 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 89 57 33 E3 30.08S HX 88 TC 32
CAIRO* SUNNY 91 58 33 NW3 30.08S HX 89 TC 33
EFFINGHAM* MOSUNNY 85 60 42 NE3 30.11F HX 85 TC 30
MARION MOSUNNY 88 57 35 NE5 30.09S HX 86 TC 31
MT. VERNON SUNNY 90 56 31 CALM 30.09S HX 88 TC 32
CENTRALIA* SUNNY 89 53 28 N3 30.10S HX 86 TC 32
SALEM* SUNNY 89 52 27 CALM 30.10S HX 87 TC 32
METROPOLIS* SUNNY 90 57 32 CALM 30.08S HX 88 TC 32
ILZ067-068-072-073-078-083-087-091-120000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 82 61 48 E8 30.11S HX 83 TC 28
FLORA* SUNNY 86 61 42 NE6 30.10S HX 86 TC 30
FAIRFIELD* SUNNY 86 58 37 CALM 30.09F HX 85 TC 30
HARRISBURG* SUNNY 88 55 32 MISG 30.09S HX 86 TC 31
ROBINSON* SUNNY 82 63 51 E7 30.11S HX 83 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page