297
ASUS43 KLOT 151806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-151900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 65 44 E10 30.13F HX 91 TC 32
6HR MIN TEMP: 65; 6HR MAX TEMP: 89;
STERLING* SUNNY 87 62 43 VRB3 30.17S HX 87 TC 31
ILZ003-004-008-010-011-017-018-151900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 84 56 38 E6 30.19F HX 83 TC 29
6HR MIN TEMP: 62; 6HR MAX TEMP: 85;
ROCHELLE* SUNNY 86 54 33 SE5 30.19S HX 84 TC 30
DE KALB* SUNNY 84 59 42 E9 30.21S HX 84 TC 29
PERU* SUNNY 87 58 37 E3 30.17S HX 86 TC 31
ILZ005-006-012>014-019>023-151900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 82 59 45 E8 30.19S HX 82 TC 28
6HR MIN TEMP: 66; 6HR MAX TEMP: 82;
CHICAGO-MIDWAY MOSUNNY 82 59 45 E9 30.19S HX 82 TC 28
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;
AURORA SUNNY 85 59 41 E8 30.18F HX 84 TC 29
6HR MIN TEMP: 57; 6HR MAX TEMP: 85;
JOLIET* SUNNY 85 58 39 NE5 30.18F HX 85 TC 30
WAUKEGAN SUNNY 76 61 59 SE7 30.21S TC 24
6HR MIN TEMP: 66; 6HR MAX TEMP: 77;
DUPAGE AIRPORT SUNNY 84 57 39 E8 30.19S HX 83 TC 29
6HR MIN TEMP: 59; 6HR MAX TEMP: 84;
KANKAKEE* SUNNY 84 59 42 E7 30.18F HX 84 TC 29
WHEELING SUNNY 80 63 55 E5 30.22S HX 81 TC 27
6HR MIN TEMP: 61; 6HR MAX TEMP: 80;
MORRIS* SUNNY 84 60 43 E7 30.17F HX 84 TC 29
ROMEOVILLE* SUNNY 82 63 51 E6 30.19F HX 83 TC 28
LANSING* SUNNY 81 61 49 SE6 30.19F HX 82 TC 27
NORTHERLY ISL* N/A 73 64 73 NE7 N/A TC 23
LMZ740>746-151900-
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 67 70/ 6/ 8 N/A 1/ 3
WINTHROP HARBOR 69 68 100/ 4/ 8 N/A 1/ 3
WAUKEGAN HARBOR 70 70 N/A 1/ 3
WILMETTE BUOY 70 80/ 10/ 12 1025.4S 1/ 3
CHICAGO BUOY 70 66 60/ 8/ 10 1023.2S 1/ 3
HARRISON CRIB 70 80/ 10/ 11 N/A
NORTHERLY ISL 72 60/ 8 N/A
CALUMET HARBOR 72 20/ 8/ 9 1021.7
BURNS HARBOR 72 40/ 5/ 7 1023.0S
MICHIGAN CITY 76 20/ 6/ 8 1021.2R
MICH CITY BUOY 81 1020.7F
ST. JOSEPH BUOY 76 70 330/ 4/ 6 1023.7S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-151900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 90 67 46 E7 30.11F HX 93 TC 32
GALESBURG* MOSUNNY 88 62 42 SE8 30.15F HX 88 TC 31
MACOMB* MOSUNNY 89 66 46 E8 30.15F HX 91 TC 31
JACKSONVILLE* MOSUNNY 89 61 39 E12 30.12S HX 89 TC 32
PITTSFIELD* PTSUNNY 90 66 45 CALM 30.12F HX 92 TC 32
ILZ028>032-037-038-041>044-048-051>054-059>061-151900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 87 55 32 NE6 30.16F HX 85 TC 31
BLOOMINGTON SUNNY 88 58 36 E10 30.16F HX 87 TC 31
DECATUR SUNNY 91 57 31 SE12G18 30.14S HX 89 TC 33
PEORIA MOSUNNY 89 56 32 VRB5 30.14S HX 87 TC 32
6HR MIN TEMP: 66; 6HR MAX TEMP: 89;
LACON* SUNNY 87 58 37 E3 30.15S HX 86 TC 30
LINCOLN* SUNNY 90 58 33 SE8 30.14S HX 89 TC 32
SPRINGFIELD MOSUNNY 90 58 33 SE7 30.12F HX 89 TC 32
6HR MIN TEMP: 66; 6HR MAX TEMP: 90;
TAYLORVILLE MOSUNNY 90 59 35 MISG 30.12F HX 89 TC 32
ILZ033-039-045-046-055>057-062-063-151900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 90 57 32 VRB7G20 30.15S HX 88 TC 32
DANVILLE* SUNNY 88 56 33 E6 30.16S HX 86 TC 31
RANTOUL* SUNNY 88 54 31 E10 30.16S HX 86 TC 31
MATTOON SUNNY 89 56 32 MISG 30.12F HX 87 TC 32
ILZ079-100>102-151900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 68 51 SE9 30.11F HX 91 TC 31
BELLEVILLE MOSUNNY 91 67 44 E6 30.06 HX 94 TC 33
CAHOKIA* MOSUNNY 90 69 50 NE8 30.08F HX 94 TC 32
SPARTA* MOSUNNY 90 66 44 SE5 30.09F HX 93 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 89 69 51 E3 30.07F HX 93 TC 32
6HR MIN TEMP: 66; 6HR MAX TEMP: 89;
CAIRO* SUNNY 89 72 56 S7 30.08S HX 96 TC 32
EFFINGHAM* PTSUNNY 90 62 38 E10 30.13S HAZE HX 90
MARION MOSUNNY 90 68 48 S5 30.08S HX 93 TC 32
MT. VERNON MOSUNNY 92 67 43 E9 30.10S HAZE HX 95
CENTRALIA* MOSUNNY 92 63 37 E7 30.10S HX 93 TC 33
SALEM* MOSUNNY 89 63 41 E5 30.10F HX 90 TC 32
METROPOLIS* SUNNY 87 65 49 CALM 30.09S HX 88 TC 30
ILZ067-068-072-073-078-083-087-091-151900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 88 64 44 SE5 30.11F HX 89 TC 31
FLORA* SUNNY 90 64 43 SE12 30.11S HX 91 TC 32
FAIRFIELD* PTSUNNY 89 64 43 SE5 30.09F HX 89 TC 31
HARRISBURG* MOSUNNY 91 64 40 MISG 30.09S HX 91 TC 33
ROBINSON* SUNNY 90 64 43 E8 30.11F HX 91 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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