013
ASUS43 KLOT 121801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT FRI SEP 12 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.
ILZ001-002-007-009-015-016-024-121900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 86 58 38 E13 30.12F HX 85 TC 30
6HR MIN TEMP: 53; 6HR MAX TEMP: 86;
STERLING* MOSUNNY 84 58 40 SE7 30.16F HX 83 TC 29
ILZ003-004-008-010-011-017-018-121900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 58 45 VRB5 30.19F HX 81 TC 27
6HR MIN TEMP: 57; 6HR MAX TEMP: 81;
ILZ005-006-012>014-019>023-121900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 81 52 36 S9 30.18F HX 80 TC 27
6HR MIN TEMP: 61; 6HR MAX TEMP: 82;
CHICAGO-MIDWAY PTSUNNY 83 52 34 S8 30.19F HX 82 TC 28
6HR MIN TEMP: 66; 6HR MAX TEMP: 83;
AURORA MOSUNNY 83 56 39 VRB6 30.19F HX 82 TC 28
6HR MIN TEMP: 57; 6HR MAX TEMP: 83;
JOLIET* MOSUNNY 84 55 37 S6 30.19F HX 83 TC 29
WAUKEGAN MOSUNNY 77 64 64 SE6 30.20F TC 25
6HR MIN TEMP: 59; 6HR MAX TEMP: 78;
DUPAGE AIRPORT MOSUNNY 83 55 38 S8 30.19F HX 82 TC 28
6HR MIN TEMP: 56; 6HR MAX TEMP: 83; 6HR PCP: TRACE;
WHEELING MOSUNNY 83 53 35 S10 30.20F HX 82 TC 28
6HR MIN TEMP: 59; 6HR MAX TEMP: 84;
MORRIS* MOSUNNY 82 58 44 SE5 30.18F HX 82 TC 28
ROMEOVILLE* SUNNY 82 57 42 SE8 30.19F HX 82 TC 28
LANSING* N/A 82 56 41 S5 30.20F HX 81 TC 28
LMZ740>746-121900-
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 67 180/ 6/ 6 1023.3F
WINTHROP HARBOR 67 68 120/ 6/ 8 N/A 1
WAUKEGAN HARBOR 69 69 N/A 1
WILMETTE BUOY 70 170/ 8/ 12 1025.1F 1/ 4
CHICAGO BUOY 70 66 110/ 6/ 10 1023.1F 1/ 5
HARRISON CRIB 71 120/ 9/ 10 N/A
CALUMET HARBOR 72 50/ 7/ 7 1021.7
BURNS HARBOR 71 20/ 4/ 5 1023.0F
MICHIGAN CITY 76 340/ 4/ 4 1021.4F
MICH CITY BUOY 78 1021.1F
ST. JOSEPH BUOY 70 70 280/ 4/ 6 1024.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-121900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 89 59 36 SE12 30.11F HX 88 TC 32
GALESBURG* MOSUNNY 85 55 36 SE6 30.15F HX 84 TC 30
MACOMB* MOSUNNY 89 59 36 S9 30.14F HX 88 TC 31
JACKSONVILLE* MOSUNNY 87 58 36 SE5 30.14F HX 86 TC 31
PITTSFIELD* SUNNY 90 61 37 SE6 30.13F HX 90 TC 32
ILZ028>032-037-038-041>044-048-051>054-059>061-121900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 85 58 39 SE9G17 30.18F HX 84 TC 29
DECATUR MOSUNNY 87 58 37 SE6 30.16F HX 86 TC 31
PEORIA MOSUNNY 85 58 39 S8 30.15F HX 84 TC 29
6HR MIN TEMP: 60; 6HR MAX TEMP: 85;
LACON* MOSUNNY 84 57 39 SW7 30.15F HX 83 TC 29
LINCOLN* MOSUNNY 86 59 39 S5 30.16F HX 86 TC 30
SPRINGFIELD MOSUNNY 86 59 39 VRB5 30.15F HX 85 TC 30
6HR MIN TEMP: 57; 6HR MAX TEMP: 87;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 88 57 34 SE8 30.18F HX 87 TC 31
DANVILLE* MOSUNNY 84 52 33 CALM 30.20F HX 82 TC 29
RANTOUL* MOSUNNY 84 53 33 S6 30.19F HX 83 TC 29
MATTOON MOSUNNY 86 58 38 SE8 30.17F HX 85 TC 30
ILZ079-100>102-121900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 64 45 S6 30.15F HX 89 TC 31
CAHOKIA* SUNNY 91 60 35 S7 30.12F HX 90 TC 33
SPARTA* SUNNY 92 58 31 CALM 30.14F HX 90 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 90 60 36 VRB3 30.13F HX 89 TC 32
6HR MIN TEMP: 61; 6HR MAX TEMP: 91;
CAIRO* SUNNY 92 60 34 S7 30.14F HX 92 TC 33
EFFINGHAM* MOSUNNY 88 54 31 CALM 30.18F HX 85 TC 31
MARION MOSUNNY 90 61 37 E7 30.14F HX 89 TC 32
MT. VERNON SUNNY 89 60 37 VRB3 30.15F HX 89 TC 32
CENTRALIA* MOSUNNY 90 59 34 CALM 30.15F HX 89 TC 32
SALEM* MOSUNNY 89 59 35 CALM 30.16F HX 88 TC 32
METROPOLIS* SUNNY 88 58 35 S5 30.15F HX 87 TC 31
ILZ067-068-072-073-078-083-087-091-121900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 86 58 38 CALM 30.17F HX 85 TC 30
FLORA* MOSUNNY 86 59 39 E6 30.17F HX 85 TC 30
FAIRFIELD* SUNNY 87 54 32 CALM 30.16F HX 85 TC 30
HARRISBURG* SUNNY 89 55 31 MISG 30.15F HX 87 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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