051
ASUS43 KLOT 101312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-101400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 66 64 93 CALM 30.04R TC 19
STERLING* CLOUDY 65 65 100 CALM 30.05R TC 18
SAVANNA* CLOUDY 62 62 97 CALM 30.05R TC 17
ILZ003-004-008-010-011-017-018-101400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 63 96 CALM 30.06R TC 18
FREEPORT* CLOUDY 62 61 96 CALM 30.06S TC 17
ROCHELLE* CLOUDY 63 62 94 CALM 30.05R TC 17
DE KALB* CLOUDY 65 65 100 N6 30.05R TC 18
PERU* PTSUNNY 68 66 94 CALM 30.04R TC 20
ILZ005-006-012>014-019>023-101400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 67 61 81 N8 30.02R TC 19
CHICAGO-MIDWAY CLOUDY 70 62 76 N8 30.02R TC 21
AURORA PTSUNNY 64 64 100 N3 30.03R FOG TC 18
JOLIET* PTSUNNY 69 69 100 N3 30.03R FOG TC 20
WAUKEGAN PTSUNNY 65 60 84 CALM 30.03R TC 18
DUPAGE AIRPORT PTSUNNY 65 65 100 N6 30.03S TC 18
KANKAKEE* MOSUNNY 69 68 95 CALM 30.03R TC 21
WHEELING PTSUNNY 66 62 87 VRB5 30.04R TC 19
LANSING* PTSUNNY 68 67 96 N3 30.02R TC 20
NORTHERLY ISL* N/A 70 61 73 N7 N/A TC 21
LMZ740>746-101400-
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 66 66 310/ 4/ 6 1014.8 0
WAUKEGAN HARBOR 65 62 290/ 4/ 6 1017.0 0
WILMETTE BUOY 70 10/ 8/ 12 1019.3R 1/ 2
CHICAGO BUOY 71 72 1015.7 1/ 3
HARRISON CRIB 70 340/ 8/ 9 N/A
NORTHERLY ISL 70 350/ 7/ 8 N/A
CALUMET HARBOR 70 340/ 5/ 7 1016.4
MICHIGAN CITY 71 10/ 6/ 6 1015.1R
MICH CITY BUOY 72 71 20/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 72 71 10/ 8/ 10 1017.2R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-101400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY RAIN 68 68 100 S6 30.04S FOG TC 20
GALESBURG* CLOUDY 69 69 100 CALM 30.06R TC 20
MACOMB* CLOUDY 69 69 100 CALM 30.07S TC 21
JACKSONVILLE* CLOUDY 69 69 100 CALM 30.07S TC 21
PITTSFIELD* RAIN 70 69 98 CALM 30.07S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-101400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 69 69 100 CALM 30.04R FOG TC 20
BLOOMINGTON FOG 66 66 100 S5 30.07R VSB 3/4 TC 19
DECATUR LGT RAIN 69 67 93 W3 30.06R TC 21
PEORIA CLOUDY 69 68 96 CALM 30.05R TC 21
LACON* CLOUDY 69 67 94 CALM 30.03R FOG TC 21
LINCOLN* CLOUDY 70 70 100 CALM 30.06R TC 21
SPRINGFIELD LGT RAIN 69 68 96 SW6 30.07R FOG TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-101400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 69 67 93 MISG 30.05R TC 21
RANTOUL* MOSUNNY 68 68 99 W5 30.06R TC 20
MATTOON PTSUNNY 69 68 96 CALM 30.05R TC 21
PARIS* PTSUNNY 68 67 98 NW3 30.05S TC 20
ILZ079-100>102-101400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 70 68 94 W6 30.05R TC 21
CAHOKIA* LGT RAIN 71 69 93 W3 30.05R TC 22
SPARTA* RAIN 71 71 100 CALM 30.06R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-101400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTSUNNY 79 76 92 CALM 30.02S HX 82 TC 26
EFFINGHAM* PTSUNNY 69 68 94 NW5 30.06R TC 21
MT. VERNON CLOUDY 71 70 96 CALM 30.04R TC 22
CENTRALIA* CLOUDY 70 70 98 CALM 30.03S TC 21
SALEM* CLOUDY 71 71 100 MISG 30.03R TC 22
METROPOLIS* CLOUDY 76 76 98 E3 30.03S TC 25
ILZ067-068-072-073-078-083-087-091-101400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 72 70 93 N5 30.03S TC 22
FLORA* CLOUDY 70 N/A N/A CALM 30.04R TC 21
FAIRFIELD* CLOUDY 71 70 98 CALM 30.04R TC 22
HARRISBURG* RAIN 73 73 100 CALM 30.04S TC 23
ROBINSON* CLOUDY 72 72 100 NW1 30.04R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page