261
ASUS43 KLOT 291710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT TUE SEP 29 2026
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.
ILZ001-002-007-009-015-016-024-291800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 51 41 S10 29.98F TC 24
STERLING* SUNNY 76 49 38 VRB6 30.02S TC 24
SAVANNA* SUNNY 72 56 56 S6 30.00F TC 22
ILZ003-004-008-010-011-017-018-291800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 75 51 43 SW12 30.02F TC 24
FREEPORT* SUNNY 75 49 40 SW10 30.02F TC 24
ROCHELLE* SUNNY 75 48 38 SW7 30.02F TC 24
DE KALB* SUNNY 73 51 46 S9 30.03F TC 23
PERU* SUNNY 77 48 36 SW7 30.02S TC 25
ILZ005-006-012>014-019>023-291800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 73 53 49 S6 30.01F TC 23
CHICAGO-MIDWAY MOSUNNY 74 53 48 SW6 30.02F TC 23
AURORA SUNNY 74 51 44 S9 30.02F TC 23
JOLIET* SUNNY 75 53 46 SW5 30.03F TC 24
WAUKEGAN SUNNY 69 61 75 SE5 30.01F TC 21
DUPAGE AIRPORT SUNNY 73 54 51 SW7 30.02F TC 23
KANKAKEE* SUNNY 76 49 39 S3 30.04F TC 24
WHEELING SUNNY 72 54 53 S5 30.03F TC 22
ROMEOVILLE* SUNNY 75 54 46 S6G13 30.03F TC 24
LANSING* SUNNY 74 54 48 S6 30.04F TC 24
NORTHERLY ISL* N/A 68 58 70 E5 N/A TC 20
LMZ740>746-291800-
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)
WINTHROP HARBOR 63 65 80/ 8/ 8 1020.0 0
WAUKEGAN HARBOR 63 66 90/ 6/ 8 1016.7 0
WILMETTE BUOY 64 80/ 6/ 8 1019.5F 1
CHICAGO BUOY 65 64 110/ 8/ 10 1015.8 1
HARRISON CRIB 65 110/ 7/ 8 N/A
NORTHERLY ISL 69 110/ 6/ 7 N/A
CALUMET HARBOR 71 210/ 7/ 9 1017.2
MICHIGAN CITY 67 330/ 3/ 4 1016.4F
MICH CITY BUOY 64 62 20/ 4/ 4 N/A 0
ST. JOSEPH BUOY 62 63 290/ 2/ 6 1018.4F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-291800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 79 50 36 S12 29.98F TC 26
GALESBURG* MOSUNNY 76 54 46 S8 30.01F TC 24
MACOMB* MOSUNNY 80 48 33 S9G17 30.02F TC 27
JACKSONVILLE* SUNNY 80 48 33 SW8 30.02S TC 26
PITTSFIELD* SUNNY 81 47 30 SW9 30.01F HX 80 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-291800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 78 49 36 SW5 30.03S TC 26
BLOOMINGTON SUNNY 75 49 39 SW8 30.04F TC 24
DECATUR SUNNY 78 48 34 SW10 30.04F TC 26
PEORIA MOSUNNY 74 52 46 S8 30.02F TC 23
LACON* SUNNY 74 53 46 SW9 30.02R TC 24
SPRINGFIELD SUNNY 80 47 31 S8 30.02F TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 79 46 31 VRB6 30.04F TC 26
RANTOUL* SUNNY 77 48 36 SW6 30.04F TC 25
PARIS* SUNNY 77 47 34 SE3 30.05F TC 25
ILZ079-100>102-291800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 50 38 S8 30.03F TC 25
SPARTA* SUNNY 80 48 33 S7 30.04F TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 50 34 SE9 30.04F HX 80 TC 27
CAIRO* SUNNY 82 53 36 CALM 30.04F HX 81 TC 28
EFFINGHAM* SUNNY 77 50 37 S5 30.06F TC 25
MT. VERNON SUNNY 80 46 30 VRB3 30.05F TC 27
CENTRALIA* SUNNY 82 47 29 S7 30.04F HX 80 TC 28
SALEM* SUNNY 81 50 33 MISG 30.04F HX 80 TC 27
METROPOLIS* SUNNY 81 48 32 SE3 30.05F HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-291800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 78 51 38 SE6 30.05F TC 26
FLORA* SUNNY 79 50 36 S3 30.06S TC 26
FAIRFIELD* SUNNY 78 45 31 CALM 30.05F TC 26
HARRISBURG* SUNNY 80 51 35 S7 30.05F HX 80 TC 27
ROBINSON* SUNNY 79 52 38 VRB6 30.05F TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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