Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 092006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT THU OCT 09 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-092100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 68 39 34 VRB6 30.35F TC 20
STERLING* SUNNY 66 38 35 E5 30.39F TC 19
$$
ILZ003-004-008-010-011-017-018-092100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 64 37 36 SE6 30.40F TC 18
$$
ILZ005-006-012>014-019>023-092100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 62 37 39 E8 30.40F TC 17
CHICAGO-MIDWAY SUNNY 63 41 44 E7 30.40F TC 17
AURORA SUNNY 66 41 40 SE7 30.39F TC 19
WAUKEGAN SUNNY 61 43 51 S12 30.41F TC 16
DUPAGE AIRPORT SUNNY 64 39 39 SE7 30.39F TC 18
WHEELING SUNNY 62 42 47 E6 30.42F TC 17
ROMEOVILLE* SUNNY 64 41 42 E8 30.41F TC 18
NORTHERLY ISL* N/A 60 41 49 E7 N/A TC 16
$$
LMZ740>746-092100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 57 67 140/ 8/ 12 1030.9F
WINTHROP HARBOR 59 65 N/A 2/ 4
WAUKEGAN HARBOR 59 65 N/A 2/ 4
WILMETTE BUOY 59 120/ 8/ 12 1031.3F 2/ 4
CHICAGO BUOY 60 40 80/ 8/ 10 1030.8F 2/ 4
HARRISON CRIB 59 90/ 8/ 9 N/A
NORTHERLY ISL 60 110/ 6/ 11 N/A
CALUMET HARBOR 60 60/ 8/ 11 1028.8F
BURNS HARBOR 63 110/ 5/ 7 1030.1F
MICHIGAN CITY 61 150/ 4/ 6 1029.1F
ST. JOSEPH BUOY 60 61 CALM / 2 1030.9F 0
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-092100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 72 43 35 S10 30.33F TC 22
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-092100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 68 36 30 VRB3 30.38F TC 20
DECATUR SUNNY 71 33 24 E6 30.36F TC 22
PEORIA SUNNY 67 31 26 E5 30.37F TC 19
SPRINGFIELD SUNNY 70 37 29 CALM 30.35F TC 21
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-092100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 70 35 27 E9 30.37F TC 21
MATTOON SUNNY 70 37 29 E8 30.35F TC 21
$$
ILZ079-100>102-092100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 39 30 SE5 30.34F TC 22
CAHOKIA* SUNNY 73 41 31 CALM 30.33F TC 23
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-092100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 44 35 NE10 30.32F TC 23
MARION SUNNY 72 45 37 CALM 30.33F TC 22
MT. VERNON SUNNY 74 43 32 SE8 30.34F TC 23
$$
ILZ067-068-072-073-078-083-087-091-092100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 71 40 32 E10 30.34F TC 22
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$