800
ASUS43 KLOT 101903
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT THU SEP 10 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.
ILZ001-002-007-009-015-016-024-102000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 79 59 50 CALM 30.02F HX 80 TC 26
STERLING* PTSUNNY 79 60 52 NE3 30.04F HX 80 TC 26
SAVANNA* MOSUNNY 78 56 45 CALM 30.04F TC 26
ILZ003-004-008-010-011-017-018-102000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 77 55 46 CALM 30.05F TC 25
FREEPORT* MOSUNNY 77 57 48 CALM 30.06F TC 25
ILZ005-006-012>014-019>023-102000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 74 53 48 N7 30.03F TC 23
CHICAGO-MIDWAY PTSUNNY 75 59 57 NE7 30.03F TC 24
AURORA PTSUNNY 74 59 59 E5 30.03F TC 23
JOLIET* CLOUDY 78 65 65 CALM 30.03F TC 25
WAUKEGAN PTSUNNY 74 54 49 CALM 30.04F TC 23
DUPAGE AIRPORT PTSUNNY 74 58 57 E3 30.04F TC 23
KANKAKEE* CLOUDY 73 69 89 CALM 30.03F TC 23
WHEELING PTSUNNY 73 57 57 NE3 30.06F TC 23
LANSING* CLOUDY 75 61 60 NE6 30.03F TC 24
NORTHERLY ISL* N/A 73 62 68 N5 N/A TC 23
LMZ740>746-102000-
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 71 70 140/ 2/ 4 1024.7R 1/ 4
WAUKEGAN HARBOR 71 70 CALM / 2 1017.8S 1/ 4
WILMETTE BUOY 72 20/ 4/ 6 1020.5F 1/ 4
CHICAGO BUOY 73 72 1016.4F 2/ 4
HARRISON CRIB 73 20/ 6/ 7 N/A
NORTHERLY ISL 73 360/ 4/ 5 N/A
CALUMET HARBOR 73 1017.2F
MICHIGAN CITY 73 360/ 5/ 5 1015.9F
MICH CITY BUOY 72 71 30/ 6/ 8 N/A 1/ 4
ST. JOSEPH BUOY 71 71 10/ 6/ 8 1018.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-102000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 70 90 SW6 30.03S TC 23
MACOMB* CLOUDY 72 71 97 CALM 30.05F TC 22
PITTSFIELD* CLOUDY 76 71 86 SW6 30.05S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-102000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 71 91 CALM 30.04R TC 23
BLOOMINGTON CLOUDY 72 72 100 SW9 30.06R TC 22
DECATUR CLOUDY 73 66 78 VRB3 30.04S TC 23
PEORIA CLOUDY 72 68 87 S8 30.03S TC 22
LINCOLN* CLOUDY 73 65 75 CALM 30.04F TC 23
SPRINGFIELD CLOUDY 72 69 90 CALM 30.04S TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-102000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 72 70 93 NW6 30.04S TC 22
MATTOON CLOUDY 74 70 87 CALM 30.02F TC 23
PARIS* CLOUDY 74 69 84 CALM 30.02F TC 24
ILZ079-100>102-102000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 79 70 73 NW7 30.03S HX 81 TC 26
CAHOKIA* CLOUDY 78 71 79 CALM 30.02S HX 80 TC 26
SPARTA* CLOUDY 77 73 85 CALM 30.02F TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-102000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 75 72 88 E3 30.02F TC 24
EFFINGHAM* PTSUNNY 77 70 78 E6 30.04S TC 25
MT. VERNON CLOUDY 77 71 82 VRB3 30.02F TC 25
CENTRALIA* PTSUNNY 78 70 75 CALM 30.02F HX 81 TC 26
SALEM* PTSUNNY 80 73 78 MISG 30.01F HX 84 TC 27
METROPOLIS* PTSUNNY 87 73 62 NW3 29.99F HX 94 TC 31
ILZ067-068-072-073-078-083-087-091-102000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 75 71 87 E3 30.02 TC 24
FAIRFIELD* CLOUDY 73 72 98 CALM 30.03F TC 23
HARRISBURG* CLOUDY 76 74 94 CALM 30.02F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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