947
ASUS43 KLOT 151601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-151700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 83 65 54 E7 30.14R HX 85 TC 28
STERLING* SUNNY 82 61 48 E6 30.17S HX 83 TC 28
ILZ003-004-008-010-011-017-018-151700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 59 50 CALM 30.20S HX 80 TC 26
ILZ005-006-012>014-019>023-151700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 78 59 51 E5 30.19S TC 26
CHICAGO-MIDWAY SUNNY 78 58 49 SE5 30.19S TC 26
AURORA SUNNY 80 59 48 SE7 30.18S HX 81 TC 27
JOLIET* SUNNY 81 61 50 E6 30.19S HX 82 TC 27
WAUKEGAN SUNNY 75 61 61 E9 30.21S TC 24
DUPAGE AIRPORT SUNNY 79 60 52 E7 30.19S HX 80 TC 26
WHEELING SUNNY 78 63 59 VRB5 30.21F HX 80 TC 26
MORRIS* SUNNY 77 61 56 E5 30.18S TC 25
ROMEOVILLE* SUNNY 77 63 61 NE7 30.20S TC 25
LANSING* SUNNY 77 62 60 SE5 30.20S TC 25
NORTHERLY ISL* N/A 72 60 66 E7 N/A TC 22
LMZ740>746-151700-
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 80/ 6/ 8 1023.7S
WINTHROP HARBOR 69 66 130/ 6/ 10 N/A 1/ 3
WAUKEGAN HARBOR 70 69 N/A 1/ 3
WILMETTE BUOY 69 100/ 10/ 14 1025.2R 2/ 3
CHICAGO BUOY 70 66 80/ 8/ 8 1023.2R 1/ 3
HARRISON CRIB 69 90/ 8/ 9 N/A
NORTHERLY ISL 71 80/ 6/ 8 N/A
CALUMET HARBOR 71 50/ 5/ 6 1021.6
BURNS HARBOR 72 CALM / 1 1023.4R
MICHIGAN CITY 75 100/ 6/ 8 1021.4R
MICH CITY BUOY 76 1021.2R
ST. JOSEPH BUOY 72 68 80/ 10/ 12 1023.8S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-151700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 84 68 58 SE7 30.11R HX 87 TC 29
GALESBURG* MOSUNNY 82 63 53 SE7 30.16R HX 83 TC 28
MACOMB* MOSUNNY 85 65 52 SE6 30.16R HX 86 TC 29
JACKSONVILLE* MOSUNNY 84 64 51 E8 30.13S HX 85 TC 29
PITTSFIELD* MOSUNNY 85 67 56 SE6 30.12S HX 88 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-151700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 85 58 39 E7 30.17S HX 84 TC 29
DECATUR SUNNY 87 58 37 E10 30.14F HX 86 TC 31
PEORIA SUNNY 84 61 45 VRB5 30.14S HX 84 TC 29
LACON* SUNNY 80 60 49 SE3 30.15S HX 81 TC 27
LINCOLN* SUNNY 85 60 41 SE6 30.14S HX 85 TC 30
SPRINGFIELD SUNNY 84 61 45 E7 30.13S HX 84 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 86 59 39 E7 30.16S HX 85 TC 30
DANVILLE* SUNNY 82 59 46 NE3 30.18S HX 82 TC 28
RANTOUL* SUNNY 83 55 38 E6 30.16S HX 82 TC 28
MATTOON SUNNY 84 58 40 E7 30.13R HX 83 TC 29
ILZ079-100>102-151700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 70 65 E5 30.11R HX 86 TC 28
CAHOKIA* MOSUNNY 84 69 60 CALM 30.09S HX 88 TC 29
SPARTA* MOSUNNY 84 70 61 E6 30.10R HX 89 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 70 66 MISG 30.08R HX 86 TC 28
CAIRO* SUNNY 85 71 63 S5 30.08R HX 90 TC 29
EFFINGHAM* MOSUNNY 84 64 49 NE6 30.14S HAZE HX 85
MARION SUNNY 82 68 61 E3 30.08R HX 85 TC 28
MT. VERNON SUNNY 86 68 54 SE7 30.11R HX 89 TC 30
CENTRALIA* SUNNY 86 67 52 E8 30.10S HX 89 TC 30
SALEM* SUNNY 87 66 49 E5 30.11S HX 89 TC 31
METROPOLIS* SUNNY 81 68 63 CALM 30.09R HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-151700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 84 65 52 E6 30.12S HX 86 TC 29
FLORA* SUNNY 82 66 57 E7 30.12R HX 85 TC 28
FAIRFIELD* SUNNY 85 65 51 E7 30.10S HX 87 TC 30
HARRISBURG* SUNNY 84 67 55 MISG 30.09S HX 87 TC 29
ROBINSON* SUNNY 82 64 54 VRB5 30.12S HX 84 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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