Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 091301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-091400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 42 41 96 E6 30.46R TC 6
STERLING* CLEAR 45 44 97 E7 30.49R TC 7
$$
ILZ003-004-008-010-011-017-018-091400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 41 40 96 CALM 30.51R TC 5
ROCHELLE* CLEAR 41 40 95 CALM 30.50R TC 5
DE KALB* CLEAR 44 43 95 CALM 30.50R TC 7
PERU* CLEAR 43 42 95 NE3 30.49R TC 6
$$
ILZ005-006-012>014-019>023-091400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 48 39 71 SE6 30.49R TC 9
CHICAGO-MIDWAY MOSUNNY 50 37 61 SE6 30.50R TC 10
AURORA SUNNY 41 39 93 CALM 30.49R TC 5
JOLIET* SUNNY 49 40 71 SE6 30.50R TC 9
WAUKEGAN MOSUNNY 43 41 93 SW9 30.49R TC 6
DUPAGE AIRPORT SUNNY 44 40 85 CALM 30.48R TC 7
WHEELING MOSUNNY 46 44 93 CALM 30.51R TC 8
MORRIS* SUNNY 47 41 82 CALM 30.49R TC 8
ROMEOVILLE* SUNNY 45 41 87 SE6 30.50R TC 7
LANSING* SUNNY 45 35 68 CALM 30.51R TC 7
NORTHERLY ISL* N/A 50 36 58 S7 N/A TC 10
$$
LMZ740>746-091400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 58 67 140/ 10/ 16 1033.0R
WINTHROP HARBOR 53 65 N/A 1/ 5
WAUKEGAN HARBOR 53 65 N/A 1/ 4
WILMETTE BUOY 55 260/ 10/ 16 1032.9R 2/ 5
CHICAGO BUOY 57 41 160/ 12/ 17 1033.4R 2/ 4
HARRISON CRIB 56 190/ 12/ 16 N/A
NORTHERLY ISL 51 200/ 6/ 7 N/A
CALUMET HARBOR 50 160/ 3/ 4 1031.5R
BURNS HARBOR 51 140/ 5/ 9 1033.2R
MICHIGAN CITY 49 130/ 6/ 8 1032.4R
ST. JOSEPH BUOY 49 57 90/ 14/ 17 1033.1R 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-091400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 46 42 86 E6 30.42R TC 8
GALESBURG* CLEAR 45 40 82 E3 30.47R TC 7
MACOMB* CLEAR 40 40 100 NE3 30.47S TC 5
JACKSONVILLE* CLEAR 42 41 98 E5 30.44R TC 5
PITTSFIELD* CLEAR 46 43 87 NE3 30.44R TC 8
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-091400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 43 40 88 E7 30.48S TC 6
BLOOMINGTON SUNNY 43 39 86 NE7 30.47R TC 6
DECATUR SUNNY 42 38 85 NE5 30.45R TC 6
PEORIA CLEAR 47 41 80 NE3 30.46R TC 8
LACON* CLEAR 42 39 90 CALM 30.47R TC 6
LINCOLN* CLEAR 44 42 90 NE3 30.45S TC 7
SPRINGFIELD CLEAR 43 40 89 N3 30.44R TC 6
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-091400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 46 38 73 NE12 30.45R TC 8
DANVILLE* SUNNY 45 38 76 NE6 30.48R TC 7
RANTOUL* SUNNY 44 36 72 NE9 30.46R TC 7
MATTOON SUNNY 45 39 79 NE5 30.43R TC 7
PARIS* SUNNY 46 37 72 CALM 30.45R TC 8
$$
ILZ079-100>102-091400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 41 81 VRB3 30.42R TC 8
BELLEVILLE SUNNY 49 44 81 CALM 30.40R TC 10
CAHOKIA* CLEAR 47 44 90 CALM 30.41R TC 8
SPARTA* SUNNY 50 44 79 CALM 30.42R TC 10
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 47 47 100 CALM 30.40R TC 8
CAIRO* SUNNY 54 49 85 CALM 30.38R TC 12
EFFINGHAM* SUNNY 47 39 73 NE3 30.45R TC 9
MARION SUNNY 46 46 100 CALM 30.40R TC 8
MT. VERNON SUNNY 49 43 80 NE6 30.42R TC 9
CENTRALIA* SUNNY 49 42 77 E3 30.42R TC 10
SALEM* SUNNY 50 40 68 NE3 30.42R TC 10
METROPOLIS* SUNNY 49 48 97 CALM 30.38R TC 10
$$
ILZ067-068-072-073-078-083-087-091-091400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 49 43 80 N6 30.43R TC 9
FLORA* SUNNY 48 43 81 N3 30.43R TC 9
FAIRFIELD* SUNNY 48 43 81 N5 30.41R TC 9
HARRISBURG* SUNNY 51 46 82 MISG 30.41R TC 11
ROBINSON* SUNNY 46 45 93 N2 30.43R TC 8
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$