792
ASUS43 KLOT 282210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-282300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 76 49 38 E3 30.03F TC 24
STERLING* SUNNY 77 41 27 NE3 30.05S TC 25
SAVANNA* SUNNY 77 52 41 NE6 30.04F TC 25
ILZ003-004-008-010-011-017-018-282300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 76 48 37 NE3 30.05S TC 24
FREEPORT* SUNNY 76 50 39 N3 30.06F TC 25
ROCHELLE* SUNNY 76 44 32 NE3 30.05S TC 24
DE KALB* SUNNY 74 45 34 NE7 30.06S TC 24
PERU* SUNNY 79 37 22 E3 30.03F TC 26
ILZ005-006-012>014-019>023-282300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 70 51 51 NE8 30.05S TC 21
CHICAGO-MIDWAY MOSUNNY 70 54 56 NE9 30.05S TC 21
AURORA SUNNY 74 49 41 E7 30.03F TC 23
JOLIET* SUNNY 76 52 42 N6 30.03F TC 25
WAUKEGAN SUNNY 67 57 70 E7 30.05F TC 19
DUPAGE AIRPORT SUNNY 73 53 49 NE8 30.04F TC 23
KANKAKEE* SUNNY 77 51 39 N7 30.03F TC 25
WHEELING MOSUNNY 69 55 60 E6 30.07F TC 21
LANSING* SUNNY 68 55 61 NE8 30.06S TC 20
NORTHERLY ISL* N/A 67 58 72 N7 N/A TC 19
LMZ740>746-282300-
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 65 65 40/ 6/ 10 1017.0 1/ 3
WAUKEGAN HARBOR 65 65 10/ 6/ 10 1017.9 1/ 3
WILMETTE BUOY 66 20/ 6/ 8 1020.2F 1/ 4
CHICAGO BUOY 66 64 30/ 6/ 8 1016.7 1/ 4
HARRISON CRIB 65 10/ 7/ 8 N/A
NORTHERLY ISL 68 360/ 8/ 10 N/A
CALUMET HARBOR 66 350/ 9/ 12 1018.1
MICHIGAN CITY 68 10/ 7/ 8 1016.9F
MICH CITY BUOY 62 62 360/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 60 61 10/ 4/ 6 1018.4F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-282300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 77 48 35 CALM 30.02F TC 25
GALESBURG* SUNNY 76 47 35 CALM 30.05S TC 24
MACOMB* SUNNY 78 40 25 CALM 30.05F TC 26
JACKSONVILLE* SUNNY 76 45 33 N6 30.03S TC 25
PITTSFIELD* SUNNY 78 48 35 NE8 30.03F TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-282300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 78 45 31 N5 30.03S TC 26
BLOOMINGTON SUNNY 78 42 27 CALM 30.04S TC 26
DECATUR MOSUNNY 76 47 35 NE6 30.02F TC 24
PEORIA SUNNY 75 38 26 CALM 30.03F TC 24
LACON* SUNNY 75 40 28 CALM 30.03S TC 24
SPRINGFIELD SUNNY 79 40 24 NW6 30.02F TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-282300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 46 36 CALM 30.02F TC 23
RANTOUL* MOSUNNY 75 41 28 CALM 30.03S TC 24
MATTOON MOSUNNY 78 46 32 N6 30.01S TC 26
PARIS* PTSUNNY 71 51 47 N3 30.02S TC 22
ILZ079-100>102-282300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 39 22 N7 30.01S TC 27
BELLEVILLE SUNNY 81 46 28 NW6 29.98S HX 80 TC 27
CAHOKIA* SUNNY 79 47 32 N6 30.00S TC 26
SPARTA* SUNNY 80 38 22 CALM 30.01S TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-282300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 41 24 NE6 29.99S TC 27
CAIRO* SUNNY 82 48 30 CALM 29.99S HX 80 TC 28
EFFINGHAM* SUNNY 80 35 19 NE3 30.02F TC 27
MT. VERNON SUNNY 81 44 27 N6 30.00S HX 80 TC 27
CENTRALIA* SUNNY 82 39 21 N5 30.00F HX 80 TC 28
SALEM* SUNNY 81 44 26 MISG 30.00F HX 80 TC 27
METROPOLIS* SUNNY 80 43 26 CALM 29.99S TC 27
ILZ067-068-072-073-078-083-087-091-282300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 79 45 29 N6 30.00S TC 26
FLORA* SUNNY 81 46 30 CALM 30.00S HX 80 TC 27
FAIRFIELD* SUNNY 80 42 25 CALM 29.99F TC 27
HARRISBURG* SUNNY 81 46 28 E5 29.99S HX 80 TC 27
ROBINSON* SUNNY 81 48 32 NE9 29.99S HX 80 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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