964
ASUS43 KLOT 291603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-291700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 70 53 54 S7 30.00F TC 21
STERLING* SUNNY 73 49 42 VRB5 30.02F TC 23
SAVANNA* SUNNY 68 58 70 W5 30.01F TC 20
ILZ003-004-008-010-011-017-018-291700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 71 55 56 VRB5 30.04F TC 22
FREEPORT* SUNNY 72 53 52 S9 30.04S TC 22
DE KALB* SUNNY 70 55 57 S8 30.04F TC 21
ILZ005-006-012>014-019>023-291700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 69 53 56 S3 30.04S TC 21
CHICAGO-MIDWAY MOSUNNY 70 55 59 VRB5 30.05S TC 21
AURORA SUNNY 70 55 59 S5 30.04F TC 21
JOLIET* SUNNY 71 57 59 S5 30.05F TC 22
WAUKEGAN MOSUNNY 62 59 90 VRB3 30.04F TC 17
DUPAGE AIRPORT SUNNY 69 55 60 S6 30.04F TC 21
WHEELING MOSUNNY 69 56 62 VRB5 30.05F TC 21
LANSING* SUNNY 71 55 58 S3 30.05F TC 22
NORTHERLY ISL* N/A 70 51 51 S6 N/A TC 21
LMZ740>746-291700-
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 61 64 170/ 2/ 4 1022.2R 0
WAUKEGAN HARBOR 63 65 140/ 2/ 4 1018.0R 0
WILMETTE BUOY 64 110/ 4/ 6 1019.9S 0
CHICAGO BUOY 64 64 150/ 6/ 6 1016.5S 1
HARRISON CRIB 65 150/ 4/ 5 N/A
NORTHERLY ISL 67 260/ 3/ 6 N/A
CALUMET HARBOR 67 180/ 5/ 7 1017.6
MICHIGAN CITY 67 230/ 5/ 6 1016.8R
MICH CITY BUOY 63 62 310/ 2/ 2 N/A 0
ST. JOSEPH BUOY 63 62 210/ 2/ 4 1018.6S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-291700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 75 49 39 S12 30.00F TC 24
MACOMB* SUNNY 75 50 40 S10 30.04S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-291700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 74 53 48 SW9 30.06F TC 23
DECATUR SUNNY 74 53 48 S8 30.05F TC 23
PEORIA SUNNY 71 53 52 S6 30.03F TC 22
SPRINGFIELD SUNNY 75 51 43 S8 30.03F TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-291700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 51 41 VRB6 30.06F TC 24
MATTOON SUNNY 75 52 44 S9 30.06S TC 24
ILZ079-100>102-291700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 52 43 S8 30.04F TC 24
CAHOKIA* SUNNY 78 53 41 SE8 30.03F TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-291700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* SUNNY 74 51 44 SE5 30.08S TC 23
MT. VERNON SUNNY 79 51 37 S6 30.06F TC 26
CENTRALIA* SUNNY 79 49 35 S6 30.06R TC 26
SALEM* SUNNY 78 54 42 MISG 30.06S HAZE TC 26
ILZ067-068-072-073-078-083-087-091-291700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A 75 54 47 S5 30.07S TC 24
FAIRFIELD* SUNNY 77 50 39 S6 30.06S TC 25
HARRISBURG* SUNNY 77 53 43 S5 30.06F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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