341
ASUS43 KLOT 152012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 91 64 40 E10G17 30.10F HX 92 TC 33
STERLING* MOSUNNY 90 59 35 NE9 30.14F HX 89 TC 32
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 86 57 37 VRB5 30.17F HX 85 TC 30
ROCHELLE* SUNNY 87 53 31 E7 30.16F HX 84 TC 30
DE KALB* SUNNY 84 58 40 NE5 30.18S HX 84 TC 29
PERU* SUNNY 89 55 31 NE7 30.13F HX 87 TC 32
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 83 57 41 E12 30.17S HX 82 TC 28
CHICAGO-MIDWAY MOSUNNY 83 58 42 E9 30.16F HX 83 TC 28
AURORA SUNNY 87 57 35 E7 30.16F HX 86 TC 31
JOLIET* SUNNY 88 58 36 SE5 30.15F HX 87 TC 31
WAUKEGAN SUNNY 78 61 55 E9 30.19F HX 80 TC 26
DUPAGE AIRPORT SUNNY 85 56 37 E6 30.16F HX 84 TC 29
KANKAKEE* SUNNY 88 55 33 E7 30.15F HX 86 TC 31
WHEELING SUNNY 80 62 54 E7 30.19F HX 81 TC 27
MORRIS* SUNNY 86 59 39 E7 30.14S HX 86 TC 30
ROMEOVILLE* SUNNY 86 59 39 VRB5 30.16F HX 85 TC 30
LANSING* SUNNY 82 64 53 NE9 30.16F HX 84 TC 28
NORTHERLY ISL* N/A 75 65 70 N5 N/A TC 24
LMZ740>746-152100-
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 69 30/ 4/ 6 1022.5F 1/ 3
WINTHROP HARBOR 70 69 40/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 70 70 N/A 1/ 3
WILMETTE BUOY 70 60/ 8/ 10 1024.7F 1/ 4
CHICAGO BUOY 71 66 20/ 6/ 8 1022.4 1/ 3
HARRISON CRIB 71 50/ 9/ 10 N/A
NORTHERLY ISL 74 30/ 5/ 8 N/A
CALUMET HARBOR 74 10/ 8/ 12 1020.9
BURNS HARBOR 76 70/ 3/ 4 1022.0F
MICHIGAN CITY 73 10/ 8/ 9 1020.4F
MICH CITY BUOY 76 1019.8F
ST. JOSEPH BUOY 71 70 330/ 12/ 16 1022.4F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 90 61 37 SE7 30.07F HX 90 TC 32
GALESBURG* MOSUNNY 89 59 35 SE5 30.12F HX 88 TC 32
MACOMB* MOSUNNY 91 62 37 E8 30.12F HX 91 TC 33
JACKSONVILLE* MOSUNNY 90 57 32 NE8 30.08F HX 89 TC 32
PITTSFIELD* PTSUNNY 92 64 39 NE5 30.08F HX 93 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 89 52 27 NE5 30.13F HX 87 TC 32
BLOOMINGTON SUNNY 90 56 31 VRB3 30.13F HX 88 TC 32
DECATUR SUNNY 92 55 28 E8 30.10F HX 90 TC 33
PEORIA MOSUNNY 90 54 29 VRB3 30.10F HX 88 TC 32
LACON* SUNNY 90 55 30 SE3 30.11F HX 87 TC 32
LINCOLN* SUNNY 91 57 31 SE7 30.10F HX 90 TC 33
SPRINGFIELD MOSUNNY 92 56 29 MISG 30.08F HX 90 TC 33
TAYLORVILLE SUNNY 91 57 31 MISG 30.08F HX 90 TC 33
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 91 56 30 NE10 30.11F HX 89 TC 33
DANVILLE* SUNNY 89 55 31 E5 30.13S HX 87 TC 32
RANTOUL* SUNNY 88 53 29 NE7 30.12F HX 86 TC 31
MATTOON MOSUNNY 89 57 33 SE5 30.09F HX 88 TC 32
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 63 38 E9 30.06F HX 92 TC 33
BELLEVILLE MOSUNNY 94 61 32 NE9 30.02F HX 94 TC 35
CAHOKIA* MOSUNNY 93 61 34 E8 30.04F HX 93 TC 34
SPARTA* MOSUNNY 93 60 32 E5 30.05F HX 92 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 90 63 40 N7 30.03F HX 91 TC 32
CAIRO* SUNNY 91 70 50 S3 30.03F HX 97 TC 33
EFFINGHAM* PTSUNNY 91 60 36 E6 30.09F HAZE HX 90
MARION MOSUNNY 91 66 43 E7 30.04F HX 94 TC 33
MT. VERNON PTSUNNY 94 64 37 VRB7 30.05F HX 95 TC 34
CENTRALIA* PTSUNNY 95 61 32 SE7 30.05F HX 95 TC 35
SALEM* MOSUNNY 91 62 38 E5 30.06F HX 91 TC 33
METROPOLIS* SUNNY 90 64 41 CALM 30.04F HX 91 TC 32
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 90 61 37 SE5 30.08F HX 90 TC 32
FLORA* MOSUNNY 90 63 40 E7 30.07F HX 90 TC 32
FAIRFIELD* MOSUNNY 92 62 37 SE5 30.06F HX 92 TC 33
HARRISBURG* MOSUNNY 92 63 36 MISG 30.05F HX 93 TC 34
ROBINSON* MOSUNNY 91 63 38 E8 30.08F HX 92 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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