225
ASUS43 KLOT 271906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT SUN SEP 27 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.
ILZ001-002-007-009-015-016-024-272000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 70 56 61 CALM 30.09F TC 21
STERLING* MOSUNNY 76 50 40 CALM 30.10F TC 24
SAVANNA* MOSUNNY 72 53 51 W5 30.09F TC 22
ILZ003-004-008-010-011-017-018-272000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 73 47 39 CALM 30.10F TC 23
FREEPORT* MOSUNNY 73 49 41 NE6 30.11F TC 23
ROCHELLE* MOSUNNY 74 48 39 SE5 30.09F TC 23
DE KALB* MOSUNNY 73 49 42 NE5 30.10F TC 23
ILZ005-006-012>014-019>023-272000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 71 44 37 NE9 30.09F TC 22
CHICAGO-MIDWAY PTSUNNY 71 49 45 E9 30.09F TC 22
AURORA MOSUNNY 73 49 42 NE7 30.09F TC 23
JOLIET* SUNNY 74 48 39 NE8 30.09F TC 24
WAUKEGAN MOSUNNY 68 52 56 E9 30.10F TC 20
DUPAGE AIRPORT MOSUNNY 70 51 51 N5 30.09F TC 21
KANKAKEE* SUNNY 74 42 31 N8 30.09F TC 23
WHEELING SUNNY 70 49 47 E8 30.11F TC 21
LANSING* SUNNY 70 48 45 NE8 30.10F TC 21
NORTHERLY ISL* N/A 67 56 67 NE8 N/A TC 19
LMZ740>746-272000-
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 64 65 10/ 8/ 10 1018.5F 1/ 3
WAUKEGAN HARBOR 64 65 360/ 8/ 10 1019.3F 1
WILMETTE BUOY 65 20/ 6/ 8 1022.4F 1
CHICAGO BUOY 64 65 30/ 6/ 17 1018.2F 1/ 3
HARRISON CRIB 63 20/ 6/ 6 N/A
NORTHERLY ISL 67 30/ 6/ 8 N/A
CALUMET HARBOR 65 20/ 6/ 9 1019.8
MICHIGAN CITY 63 20/ 5/ 6 1018.8F
MICH CITY BUOY 59 62 20/ 4/ 6 N/A 1
ST. JOSEPH BUOY 55 54 310/ 6/ 6 1020.1F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-272000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 54 65 CALM 30.09F TC 19
GALESBURG* PTSUNNY 73 54 51 E6 30.10F TC 23
MACOMB* CLOUDY 72 54 53 N5 30.11F TC 22
JACKSONVILLE* PTSUNNY 69 54 58 CALM 30.09F TC 21
PITTSFIELD* CLOUDY 69 55 59 N3 30.10F TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-272000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 76 44 31 NE7 30.08F TC 25
BLOOMINGTON MOSUNNY 76 43 30 N5 30.09F TC 24
DECATUR MOSUNNY 74 46 36 NE6 30.07F TC 23
PEORIA PTSUNNY 72 52 49 CALM 30.08F TC 22
LACON* MOSUNNY 73 47 38 W5 30.08F TC 23
SPRINGFIELD PTSUNNY 72 52 49 NW3 30.08F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-272000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 73 42 32 VRB3 30.07F TC 23
RANTOUL* SUNNY 75 42 31 CALM 30.07F TC 24
MATTOON MOSUNNY 75 37 25 N7 30.06F TC 24
PARIS* SUNNY 75 41 29 NE5 30.07F TC 24
ILZ079-100>102-272000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTSUNNY 71 60 69 N7 30.05F TC 21
CAHOKIA* PTSUNNY 76 53 44 VRB7 30.06F TC 24
SPARTA* PTSUNNY 69 55 62 N5 30.08F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-272000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 66 55 68 N7 30.06F TC 19
CAIRO* PTSUNNY 78 49 36 CALM 30.04F TC 26
EFFINGHAM* PTSUNNY 75 39 27 NW5 30.07F TC 24
MARION MOSUNNY 72 48 43 NW9 30.05F TC 22
MT. VERNON PTSUNNY 76 50 40 VRB5 30.05F TC 24
CENTRALIA* PTSUNNY 78 48 34 NW3 30.05F TC 26
SALEM* PTSUNNY 77 47 34 MISG 30.05F TC 25
METROPOLIS* MOSUNNY 76 50 40 SW8 30.03F TC 25
ILZ067-068-072-073-078-083-087-091-272000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 75 37 25 N8 30.04F TC 24
FLORA* PTSUNNY 77 46 33 N6 30.05F TC 25
FAIRFIELD* PTSUNNY 76 43 29 NE7 30.04F TC 25
HARRISBURG* MOSUNNY 80 47 32 E9 30.04F TC 27
ROBINSON* MOSUNNY 77 41 27 NE7 30.04F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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