Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 091201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-091300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 39 39 100 E5 30.45R TC 4
6HR MIN TEMP: 39; 6HR MAX TEMP: 46;
STERLING* CLEAR 42 42 100 E5 30.48R TC 6
$$
ILZ003-004-008-010-011-017-018-091300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 39 38 96 CALM 30.50R TC 4
6HR MIN TEMP: 38; 6HR MAX TEMP: 43;
ROCHELLE* CLEAR 38 37 93 CALM 30.48S TC 4
DE KALB* CLEAR 41 41 100 CALM 30.48S TC 5
PERU* CLEAR 41 40 95 CALM 30.47S TC 5
$$
ILZ005-006-012>014-019>023-091300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 47 40 76 CALM 30.47R TC 8
6HR MIN TEMP: 45; 6HR MAX TEMP: 52;
CHICAGO-MIDWAY PTCLDY 50 38 63 SE3 30.48R TC 10
6HR MIN TEMP: 48; 6HR MAX TEMP: 53;
AURORA CLEAR 41 38 89 CALM 30.47S TC 5
6HR MIN TEMP: 38; 6HR MAX TEMP: 42;
JOLIET* CLEAR 45 39 78 SE6 30.48S TC 7
WAUKEGAN PTCLDY 40 39 97 CALM 30.47S TC 4
6HR MIN TEMP: 39; 6HR MAX TEMP: 44;
DUPAGE AIRPORT CLEAR 40 37 89 N5 30.47S TC 4
6HR MIN TEMP: 39; 6HR MAX TEMP: 45; 6HR PCP: TRACE;
KANKAKEE* CLEAR 41 39 93 CALM 30.49R TC 5
WHEELING CLEAR 44 42 93 CALM 30.50R TC 7
6HR MIN TEMP: 43; 6HR MAX TEMP: 48;
MORRIS* CLEAR 45 41 88 CALM 30.47R TC 7
ROMEOVILLE* CLEAR 45 39 81 SE7 30.48R TC 7
LANSING* CLEAR 43 34 70 CALM 30.49R TC 6
NORTHERLY ISL* N/A 50 37 61 SW3 N/A TC 10
$$
LMZ740>746-091300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 58 67 130/ 10/ 16 1032.5R
WINTHROP HARBOR 53 65 N/A 1/ 4
WAUKEGAN HARBOR 54 65 N/A 1/ 4
WILMETTE BUOY 56 260/ 12/ 16 1032.4R 2/ 5
CHICAGO BUOY 57 41 180/ 12/ 16 1032.7R 2/ 3
HARRISON CRIB 56 190/ 10/ 13 N/A
NORTHERLY ISL 51 200/ 5/ 7 N/A
CALUMET HARBOR 50 160/ 3/ 5 1030.8
BURNS HARBOR 50 130/ 6/ 9 1032.2S
MICHIGAN CITY 47 130/ 7/ 8 1032.0R
ST. JOSEPH BUOY 49 57 90/ 14/ 17 1032.7R 1/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-091300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 45 41 86 E7 30.41S TC 7
GALESBURG* CLEAR 44 40 85 E5 30.45S TC 7
MACOMB* CLEAR 37 37 99 NE3 30.47R TC 3
JACKSONVILLE* CLEAR 39 39 98 E6 30.43S WCI 35 TC 4
PITTSFIELD* CLEAR 44 42 94 NE3 30.43S TC 7
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-091300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 40 38 90 E5 30.47S TC 5
BLOOMINGTON CLEAR 40 38 93 E8 30.46R TC 4
DECATUR CLEAR 38 35 89 NE6 30.44R WCI 33 TC 3
PEORIA CLEAR 45 40 82 CALM 30.45R TC 7
6HR MIN TEMP: 45; 6HR MAX TEMP: 52;
LACON* CLEAR 40 37 89 CALM 30.46S TC 4
LINCOLN* CLEAR 42 40 89 NE3 30.44S TC 6
SPRINGFIELD CLEAR 41 39 93 NE3 30.43R TC 5
6HR MIN TEMP: 40; 6HR MAX TEMP: 51;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-091300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 43 36 76 E8 30.44R TC 6
DANVILLE* CLEAR 42 37 81 NE5 30.46S TC 6
RANTOUL* CLEAR 41 35 79 NE8 30.45S TC 5
MATTOON CLEAR 40 36 86 CALM 30.41S TC 4
PARIS* CLEAR 41 36 81 CALM 30.44S TC 5
$$
ILZ079-100>102-091300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 46 39 76 VRB5 30.41S TC 8
BELLEVILLE CLEAR 45 40 83 N3 30.39R TC 7
CAHOKIA* CLEAR 47 41 80 CALM 30.40R TC 8
SPARTA* CLEAR 49 41 74 CALM 30.40R TC 9
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 45 45 100 CALM 30.39R FOG TC 7
6HR MIN TEMP: 43; 6HR MAX TEMP: 50;
CAIRO* CLEAR 51 47 86 CALM 30.36R TC 11
EFFINGHAM* CLEAR 46 39 76 NE3 30.43R TC 8
MARION CLEAR 46 45 93 CALM 30.38S TC 8
MT. VERNON CLEAR 46 42 86 N5 30.40R TC 8
CENTRALIA* CLEAR 43 40 89 CALM 30.40S TC 6
SALEM* CLEAR 48 39 71 NE3 30.41R TC 9
METROPOLIS* CLEAR 49 46 89 CALM 30.37R TC 10
$$
ILZ067-068-072-073-078-083-087-091-091300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 47 42 83 NE7 30.41R TC 8
FLORA* CLEAR 46 41 81 NE3 30.41R TC 8
FAIRFIELD* CLEAR 46 42 84 N3 30.39S TC 8
HARRISBURG* CLEAR 49 44 83 MISG 30.39R TC 9
ROBINSON* CLEAR 43 43 100 N3 30.41S TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$