Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 280410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT WED AUG 27 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.
ILZ001-002-007-009-015-016-024-280500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 62 56 80 S5 30.13S TC 17
STERLING* MOCLDY 63 59 87 CALM 30.14S TC 17
$$
ILZ003-004-008-010-011-017-018-280500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 62 57 83 S3 30.14S TC 17
ROCHELLE* CLOUDY 59 57 92 S3 30.14S TC 15
DE KALB* CLOUDY 63 56 79 SW5 30.15S TC 17
PERU* CLOUDY 62 60 95 S5 30.15S TC 17
$$
ILZ005-006-012>014-019>023-280500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 66 54 65 SW6 30.12S TC 19
CHICAGO-MIDWAY MOCLDY 68 54 60 SW6 30.13S TC 20
AURORA CLOUDY 63 56 78 SW3 30.13F TC 17
JOLIET* CLOUDY 65 58 78 CALM 30.15S TC 18
WAUKEGAN CLEAR 62 53 72 W8 30.11S TC 17
DUPAGE AIRPORT CLOUDY 64 55 72 SW5 30.13S TC 18
KANKAKEE* MOCLDY 61 55 82 W5 30.16F TC 16
WHEELING CLOUDY 67 54 63 SW6 30.13F TC 19
MORRIS* CLOUDY 62 58 87 SW5 30.13F TC 17
ROMEOVILLE* CLOUDY 66 57 72 SW5 30.15S TC 19
LANSING* MOCLDY 60 56 87 SW3 30.15S TC 16
$$
LMZ740>746-280500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 70 71 250/ 16/ 17 1019.3S 3/ 4
WINTHROP HARBOR 66 70 210/ 10/ 12 N/A 0
WAUKEGAN HARBOR 67 70 N/A 0
WILMETTE BUOY 69 250/ 12/ 16 1021.7F 1
CHICAGO BUOY 70 69 240/ 10/ 16 1020.5 1
HARRISON CRIB 70 250/ 12/ 15 N/A
NORTHERLY ISL 69 260/ 5/ 10 N/A
CALUMET HARBOR 68 220/ 4/ 7 1019.3R
BURNS HARBOR 67 230/ 4/ 5 1021.0S
MICHIGAN CITY 67 200/ 11/ 11 1019.0R
MICH CITY BUOY 71 73 230/ 10/ 14 1018.9R 2/ 3
ST. JOSEPH BUOY 72 72 220/ 16/ 19 1020.8R 1/ 2
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-280500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 63 54 72 S6 30.16S TC 17
GALESBURG* CLOUDY 60 55 84 S3 30.16S TC 16
MACOMB* CLEAR 56 54 94 CALM 30.18S TC 13
JACKSONVILLE* MOCLDY 60 55 84 SE3 30.16S TC 16
PITTSFIELD* PTCLDY 59 58 97 CALM 30.18S TC 15
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-280500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 57 56 97 CALM 30.17R TC 14
BLOOMINGTON CLOUDY 63 57 81 SW5 30.18S TC 17
DECATUR CLEAR 65 56 72 S3 30.18R TC 18
PEORIA CLEAR 63 56 78 CALM 30.16S TC 17
LACON* MOCLDY 60 57 88 S3 30.14S TC 16
LINCOLN* CLEAR 61 57 87 CALM 30.17S TC 16
SPRINGFIELD PTCLDY 60 57 89 CALM 30.17R TC 16
TAYLORVILLE PTCLDY 61 54 77 CALM 30.18S TC 16
$$
ILZ033-039-045-046-055>057-062-063-280500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 53 84 S5 30.18R TC 14
DANVILLE* CLOUDY 63 55 74 SW6 30.19R TC 17
RANTOUL* PTCLDY 62 54 74 CALM 30.18R TC 17
MATTOON PTCLDY 65 52 62 S5 30.17F TC 18
PARIS* CLOUDY 60 54 80 S5 30.19S TC 15
$$
ILZ079-100>102-280500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 61 55 80 CALM 30.18R TC 16
BELLEVILLE PTCLDY 60 56 87 CALM 30.15F TC 16
CAHOKIA* PTCLDY 63 54 72 S3 30.17S TC 17
SPARTA* MOCLDY 63 55 74 CALM 30.19S TC 17
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 61 56 83 CALM 30.18F TC 16
CAIRO* CLOUDY 62 60 93 CALM 30.19S TC 17
EFFINGHAM* MOCLDY 61 56 84 CALM 30.20S TC 16
MARION MOCLDY 65 52 61 CALM 30.20S TC 19
MT. VERNON PTCLDY 57 55 93 CALM 30.19S TC 14
CENTRALIA* PTCLDY 60 51 71 S6 30.19S TC 16
SALEM* PTCLDY 65 52 62 SE3 30.18S TC 18
METROPOLIS* CLOUDY 63 59 88 CALM 30.20S TC 17
$$
ILZ067-068-072-073-078-083-087-091-280500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 59 55 87 CALM 30.19F TC 15
FLORA* PTCLDY 57 54 88 CALM 30.19S TC 14
FAIRFIELD* PTCLDY 56 54 91 CALM 30.19S TC 14
HARRISBURG* MOCLDY 60 53 77 CALM 30.20S TC 16
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$