Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 292108
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT MON SEP 29 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-292200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 89 52 28 SW5 30.14F HX 86 TC 32
STERLING* SUNNY 90 50 25 VRB3 30.17F HX 87 TC 32
$$
ILZ003-004-008-010-011-017-018-292200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 88 51 28 N3 30.18F HX 85 TC 31
ROCHELLE* SUNNY 87 46 23 NW3 30.17F HX 84 TC 31
DE KALB* SUNNY 87 53 30 N5 30.19S HX 85 TC 31
PERU* SUNNY 90 51 25 NW3 30.15F HX 87 TC 32
$$
ILZ005-006-012>014-019>023-292200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 86 57 37 E9 30.16F HX 85 TC 30
CHICAGO-MIDWAY MOSUNNY 85 59 41 E10 30.17S HX 84 TC 29
AURORA SUNNY 90 52 27 NE8 30.16F HX 87 TC 32
JOLIET* SUNNY 90 53 28 CALM 30.16F HX 87 TC 32
WAUKEGAN SUNNY 79 64 60 E7 30.18F HX 81 TC 26
DUPAGE AIRPORT SUNNY 89 52 28 VRB3 30.16F HX 86 TC 32
KANKAKEE* SUNNY 90 52 27 N5 30.16F HX 87 TC 32
WHEELING SUNNY 84 64 50 E7 30.19S HX 85 TC 29
MORRIS* SUNNY 90 56 32 NE3 30.15F HX 88 TC 32
ROMEOVILLE* SUNNY 88 52 29 VRB5 30.17F HX 85 TC 31
LANSING* SUNNY 84 55 36 NE8 30.18S HX 83 TC 29
NORTHERLY ISL* N/A 74 63 68 NE5 N/A TC 23
$$
LMZ740>746-292200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 110/ 6/ 6 N/A
WINTHROP HARBOR 71 69 N/A 1
WAUKEGAN HARBOR 71 71 N/A 1
WILMETTE BUOY 72 110/ 10/ 12 1024.4F 1/ 2
CHICAGO BUOY 72 58 60/ 8/ 10 1022.2 1
HARRISON CRIB 72 90/ 11/ 12 N/A
NORTHERLY ISL 74 50/ 2/ 5 N/A
CALUMET HARBOR 74 50/ 4/ 6 1020.9F
BURNS HARBOR 75 70/ 5/ 6 1022.7F
MICHIGAN CITY 72 50/ 9/ 9 1020.9F
ST. JOSEPH BUOY 72 70 340/ 6/ 8 1023.2F 0
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-292200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 86 53 32 S8 30.15F HX 84 TC 30
GALESBURG* SUNNY 87 46 23 SE3 30.17S HX 84 TC 31
MACOMB* SUNNY 90 50 25 SW6 30.17F HX 87 TC 32
JACKSONVILLE* SUNNY 89 49 25 CALM 30.14F HX 86 TC 32
PITTSFIELD* SUNNY 89 52 28 E5 30.15F HX 86 TC 32
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-292200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 90 43 19 CALM 30.15F HX 87 TC 32
BLOOMINGTON SUNNY 90 50 25 SE5 30.16F HX 87 TC 32
DECATUR PTSUNNY 93 51 23 N9 30.14F HX 90 TC 34
PEORIA SUNNY 89 50 26 VRB3 30.15F HX 86 TC 32
LACON* SUNNY 89 49 25 NW5 30.15S HX 86 TC 32
LINCOLN* SUNNY 91 53 27 CALM 30.14F HX 89 TC 33
SPRINGFIELD SUNNY 89 50 26 S5 30.14F HX 86 TC 32
TAYLORVILLE SUNNY 90 52 27 MISG 30.14F HX 87 TC 32
$$
ILZ033-039-045-046-055>057-062-063-292200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 91 52 26 E6 30.15F HX 88 TC 33
DANVILLE* MOSUNNY 90 52 27 NE3 30.15F HX 87 TC 32
RANTOUL* MOSUNNY 90 47 22 CALM 30.14F HX 86 TC 32
MATTOON MOSUNNY 88 51 28 SE6 30.13F HX 85 TC 31
PARIS* PTSUNNY 91 50 24 NE9 30.14F HAZE HX 87
$$
ILZ079-100>102-292200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 90 52 27 VRB3 30.13F HX 87 TC 32
CAHOKIA* SUNNY 89 53 29 E6 30.12 HX 87 TC 32
SPARTA* SUNNY 90 51 27 NE8 30.12F HX 87 TC 32
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-292200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 88 56 33 E9 30.11F HX 86 TC 31
CAIRO* MOSUNNY 89 58 35 E12 30.10S HX 88 TC 32
EFFINGHAM* PTSUNNY 89 51 27 NE5 30.14F HAZE HX 86
MARION MOSUNNY 88 57 35 NE6 30.11F HX 86 TC 31
MT. VERNON PTSUNNY 87 56 34 NE5 30.12F HX 85 TC 31
CENTRALIA* N/A 89 51 26 E7 30.12F HAZE HX 87
SALEM* SUNNY 90 51 26 E7 30.13S HX 87 TC 32
METROPOLIS* SUNNY 87 53 31 NE6 30.10F HX 85 TC 31
$$
ILZ067-068-072-073-078-083-087-091-292200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 87 59 38 E8 30.12F HX 86 TC 31
FLORA* SUNNY 88 55 33 E12 30.13S HX 86 TC 31
FAIRFIELD* MOSUNNY 90 52 27 E7 30.12F HX 87 TC 32
HARRISBURG* MOSUNNY 88 55 32 MISG 30.11F HX 86 TC 31
ROBINSON* SUNNY 90 55 31 E9 30.12F HX 88 TC 32
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$