Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 031010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT WED SEP 03 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.
ILZ001-002-007-009-015-016-024-031100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 61 56 83 SW7 29.87F TC 16
STERLING* MOCLDY 61 60 97 CALM 29.88F TC 16
$$
ILZ003-004-008-010-011-017-018-031100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 61 58 90 CALM 29.88F TC 16
ROCHELLE* CLOUDY 59 55 88 SW6 29.88F TC 15
DE KALB* CLOUDY 64 55 72 W9 29.89S TC 18
PERU* CLEAR 57 56 94 SW6 29.88F TC 14
$$
ILZ005-006-012>014-019>023-031100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 55 75 SW8 29.85F TC 17
CHICAGO-MIDWAY PTCLDY 64 54 69 SW7 29.86F TC 18
AURORA PTCLDY 58 54 86 SW3 29.87F TC 14
JOLIET* CLEAR 55 55 100 CALM 29.89S FOG TC 13
WAUKEGAN MOCLDY 63 55 75 SW9 29.84S TC 17
DUPAGE AIRPORT MOCLDY 60 54 80 SW7 29.86F TC 16
KANKAKEE* CLEAR 54 52 94 CALM 29.90S TC 12
WHEELING MOCLDY 65 55 70 W3 29.87S TC 18
MORRIS* CLEAR 56 55 93 W5 29.88S TC 14
ROMEOVILLE* CLEAR 61 57 88 SW7 29.89S TC 16
LANSING* PTCLDY 56 53 91 CALM 29.88F TC 13
NORTHERLY ISL* N/A 66 53 63 SW6 N/A TC 19
$$
LMZ740>746-031100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 71 71 230/ 16/ 17 1009.8F 2/ 3
WINTHROP HARBOR 67 71 210/ 12/ 16 N/A 1
WAUKEGAN HARBOR 67 72 N/A 1
WILMETTE BUOY 68 250/ 12/ 17 1012.6F 1
CHICAGO BUOY 69 69 230/ 10/ 14 1011.4 1
HARRISON CRIB 72 230/ 10/ 12 N/A
NORTHERLY ISL 66 270/ 3/ 7 N/A
CALUMET HARBOR 64 230/ 3/ 5 1010.5
BURNS HARBOR 65 210/ 4/ 4 1012.2F
MICHIGAN CITY 64 200/ 6/ 7 1010.2F
MICH CITY BUOY 68 72 200/ 8/ 10 1010.0F 1/ 2
ST. JOSEPH BUOY 69 71 180/ 12/ 14 1011.9F 1/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-031100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 56 53 90 SW5 29.93S TC 13
GALESBURG* CLEAR 56 52 85 SW6 29.92S TC 14
MACOMB* CLEAR 55 53 95 SW5 29.94F TC 13
JACKSONVILLE* PTCLDY 54 53 98 CALM 29.93S TC 12
PITTSFIELD* MOCLDY 56 56 98 CALM 29.94F TC 14
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-031100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 52 51 95 CALM 29.91S TC 11
BLOOMINGTON CLEAR 58 54 86 SW6 29.93S TC 14
DECATUR CLEAR 57 54 89 CALM 29.92S TC 14
PEORIA CLEAR 58 54 86 S3 29.91S TC 14
LACON* CLEAR 56 54 94 CALM 29.89F TC 13
LINCOLN* CLEAR 54 54 100 CALM 29.93R TC 12
SPRINGFIELD CLEAR 52 50 93 W3 29.93S TC 11
TAYLORVILLE CLEAR 52 52 100 CALM 29.93S TC 11
$$
ILZ033-039-045-046-055>057-062-063-031100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 50 47 89 CALM 29.92S TC 10
DANVILLE* CLEAR 51 50 97 CALM 29.91S TC 11
RANTOUL* CLEAR 53 49 86 CALM 29.91S TC 12
MATTOON CLEAR 55 53 93 CALM 29.91F TC 13
PARIS* CLEAR 49 48 97 SW3 29.92S TC 10
$$
ILZ079-100>102-031100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 55 54 94 CALM 29.94S TC 13
BELLEVILLE PTCLDY 58 56 93 CALM 29.92R TC 14
CAHOKIA* CLOUDY 57 56 96 CALM 29.93S TC 14
SPARTA* CLEAR 62 58 87 CALM 29.95R TC 16
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-031100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 58 56 93 CALM 29.93S TC 14
CAIRO* CLEAR 61 59 94 CALM 29.94S TC 16
EFFINGHAM* CLEAR 54 53 98 CALM 29.94S TC 12
MARION CLEAR 59 57 94 CALM 29.94S TC 15
MT. VERNON CLEAR 53 53 100 CALM 29.94R TC 12
CENTRALIA* CLEAR 52 49 90 CALM 29.93S TC 11
SALEM* CLEAR 53 49 87 CALM 29.93S TC 12
METROPOLIS* CLEAR 60 59 97 CALM 29.94S TC 15
$$
ILZ067-068-072-073-078-083-087-091-031100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 56 55 97 NW3 29.91F TC 13
FLORA* CLEAR 54 52 94 CALM 29.93S TC 12
FAIRFIELD* CLEAR 53 51 92 CALM 29.93S TC 12
HARRISBURG* CLEAR 56 54 94 CALM 29.93F TC 13
ROBINSON* CLEAR 50 50 100 SE1 29.92R TC 10
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$