Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 040603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SUN OCT 04 2026
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.
ILZ001-002-007-009-015-016-024-040700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 52 48 86 SW3 30.15F TC 11
6HR MIN TEMP: 49; 6HR MAX TEMP: 60;
STERLING* PTCLDY 55 49 80 SW5 30.16R TC 13
SAVANNA* MOCLDY 55 49 83 SE3 30.14F TC 13
$$
ILZ003-004-008-010-011-017-018-040700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 55 49 80 SE3 30.16R TC 13
6HR MIN TEMP: 52; 6HR MAX TEMP: 62;
FREEPORT* MOCLDY 56 49 75 SW6 30.16S TC 14
DE KALB* MOCLDY 54 49 82 W5 30.17R TC 12
$$
ILZ005-006-012>014-019>023-040700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 59 47 64 S14 30.11F TC 15
6HR MIN TEMP: 59; 6HR MAX TEMP: 63;
CHICAGO-MIDWAY MOCLDY 60 47 61 S7 30.14F TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 64;
AURORA PTCLDY 55 49 80 S3 30.14F TC 13
6HR MIN TEMP: 51; 6HR MAX TEMP: 62;
JOLIET* PTCLDY 55 50 85 CALM 30.15F TC 13
WAUKEGAN LGT RAIN 60 49 66 S12 30.12F TC 16
6HR MIN TEMP: 58; 6HR MAX TEMP: 61; 6HR PCP: TRACE;
DUPAGE AIRPORT MOCLDY 57 49 74 S6 30.13F TC 14
6HR MIN TEMP: 54; 6HR MAX TEMP: 61;
KANKAKEE* PTCLDY 52 47 84 SE3 30.17F TC 11
WHEELING MOCLDY 58 49 72 S5 30.15F TC 14
6HR MIN TEMP: 55; 6HR MAX TEMP: 62; 6HR PCP: TRACE;
LANSING* MOCLDY 55 46 71 S5 30.17S TC 13
NORTHERLY ISL* N/A 60 45 57 S9 N/A TC 16
$$
LMZ740>746-040700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 63 63 150/ 14/ 17 1018.6F 2/ 3
WAUKEGAN HARBOR 63 63 190/ 14/ 19 1019.6F 2/ 3
WILMETTE BUOY 64 160/ 12/ 16 1022.5F 2/ 3
CHICAGO BUOY 64 64 190/ 12/ 16 1019.8F 2/ 3
HARRISON CRIB 63 190/ 15/ 15 N/A
NORTHERLY ISL 61 170/ 7/ 10 N/A
CALUMET HARBOR 61 160/ 6/ 8 1021.4
MICHIGAN CITY 58 140/ 8/ 10 1020.5F
MICH CITY BUOY 60 62 150/ 12/ 14 N/A 1
ST. JOSEPH BUOY 59 62 140/ 10/ 14 1022.3F 1/ 2
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-040700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 58 44 60 S12 30.13F TC 14
GALESBURG* PTCLDY 51 48 88 CALM 30.18R TC 11
MACOMB* CLEAR 50 49 96 NW6 30.20R TC 10
PITTSFIELD* CLEAR 50 48 94 CALM 30.18R TC 10
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-040700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 53 47 79 S6 30.17F TC 12
DECATUR CLEAR 49 46 90 CALM 30.17F TC 9
PEORIA CLEAR 51 50 96 CALM 30.16S TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 67;
LACON* CLEAR 52 47 82 CALM 30.14F TC 11
SPRINGFIELD CLEAR 49 48 97 CALM 30.17F TC 9
6HR MIN TEMP: 48; 6HR MAX TEMP: 64;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-040700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 50 45 83 CALM 30.17F TC 10
MATTOON MOCLDY 53 49 86 CALM 30.17S TC 12
$$
ILZ079-100>102-040700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 52 51 97 CALM 30.16S TC 11
SPARTA* MOCLDY 56 49 77 CALM 30.16S TC 13
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOCLDY 51 49 94 NW3 30.20R TC 10
MT. VERNON MOCLDY 49 48 97 CALM 30.15S TC 9
CENTRALIA* MOCLDY 51 49 92 CALM 30.16S TC 11
SALEM* MOCLDY 53 49 87 MISG 30.16S TC 12
$$
ILZ067-068-072-073-078-083-087-091-040700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 54 51 90 N5 30.15S TC 12
FAIRFIELD* MOCLDY 55 47 74 CALM 30.15R TC 13
HARRISBURG* MOCLDY 57 54 88 CALM 30.14S TC 14
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$