Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 290412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT THU AUG 28 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.
ILZ001-002-007-009-015-016-024-290500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 61 93 E5 30.12R TC 17
STERLING* CLEAR 62 61 96 E7 30.15S TC 17
$$
ILZ003-004-008-010-011-017-018-290500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 62 58 86 E7 30.18R TC 17
ROCHELLE* CLEAR 61 58 90 E7 30.17R TC 16
DE KALB* CLEAR 60 58 95 NE7 30.18S TC 15
PERU* CLEAR 64 62 94 E5 30.15R TC 18
$$
ILZ005-006-012>014-019>023-290500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 63 53 70 NE7 30.15R TC 17
CHICAGO-MIDWAY PTCLDY 66 53 63 NE7 30.15S TC 19
AURORA CLEAR 64 58 80 NE10 30.16R TC 18
JOLIET* CLEAR 65 61 87 N6 30.16R TC 18
WAUKEGAN CLEAR 61 50 67 NE5 30.15F TC 16
DUPAGE AIRPORT CLEAR 62 55 77 NE6 30.16R TC 17
KANKAKEE* CLEAR 61 57 88 CALM 30.15S TC 16
WHEELING CLEAR 64 51 62 NE6 30.17S TC 18
MORRIS* CLEAR 60 60 98 CALM 30.14R TC 16
ROMEOVILLE* PTCLDY 64 61 88 NE9 30.16R TC 18
LANSING* PTCLDY 64 56 75 NE6 30.16R TC 18
NORTHERLY ISL* N/A 65 53 65 NE12 N/A TC 18
$$
LMZ740>746-290500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 63 71 30/ 19/ 23 1021.3R 5/ 7
WINTHROP HARBOR 67 70 310/ 12/ 17 N/A 4/ 6
WAUKEGAN HARBOR 67 70 N/A 4/ 6
WILMETTE BUOY 67 60/ 17/ 21 1022.4S 4/ 6
CHICAGO BUOY 67 69 20/ 14/ 19 1021.6 4/ 5
HARRISON CRIB 67 30/ 16/ 19 N/A
NORTHERLY ISL 65 40/ 9/ 14 N/A
CALUMET HARBOR 66 350/ 7/ 12 1020.0
BURNS HARBOR 67 30/ 9/ 11 1021.0S
MICHIGAN CITY 66 10/ 21/ 22 1019.2S
MICH CITY BUOY 67 72 10/ 16/ 21 1019.1R 6/ 6
ST. JOSEPH BUOY 65 71 340/ 21/ 27 1021.3R 6/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-290500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 67 60 78 CALM 30.11S TC 19
GALESBURG* MOCLDY 64 61 91 CALM 30.14R TC 18
MACOMB* PTCLDY 62 61 96 CALM 30.14R TC 17
JACKSONVILLE* CLEAR 61 60 98 CALM 30.12R TC 16
PITTSFIELD* CLEAR 64 63 97 CALM 30.13S TC 18
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-290500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 62 60 95 E5 30.15R TC 17
BLOOMINGTON PTCLDY 64 63 96 E6 30.15R TC 18
DECATUR CLEAR 68 61 78 NW6 30.11S TC 20
PEORIA CLEAR 69 63 81 NE9 30.12R TC 21
LACON* CLEAR 65 60 86 E5 30.13R TC 18
LINCOLN* PTCLDY 66 63 90 CALM 30.12R TC 19
SPRINGFIELD CLEAR 63 60 90 W3 30.11S TC 17
TAYLORVILLE CLEAR 61 59 94 CALM 30.11S TC 16
$$
ILZ033-039-045-046-055>057-062-063-290500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 62 81 NE9 30.12R TC 20
DANVILLE* CLEAR 64 61 88 NE6 30.13S TC 18
RANTOUL* CLEAR 65 61 87 NE7 30.13S TC 18
MATTOON CLEAR 65 61 87 CALM 30.10S TC 18
PARIS* PTCLDY 60 59 97 N5 30.11S TC 16
$$
ILZ079-100>102-290500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 65 59 81 CALM 30.12R TC 18
BELLEVILLE CLEAR 64 59 85 CALM 30.09S TC 18
SPARTA* CLEAR 69 54 58 CALM 30.13S TC 20
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 58 56 93 CALM 30.11S TC 14
CAIRO* CLEAR 62 59 91 CALM 30.12S TC 16
EFFINGHAM* CLEAR 62 60 92 CALM 30.12S TC 17
MARION CLEAR 61 56 85 CALM 30.12S TC 16
MT. VERNON CLEAR 59 58 96 CALM 30.12S TC 15
CENTRALIA* CLEAR 60 55 83 CALM 30.12R TC 16
SALEM* CLEAR 62 55 80 CALM 30.11S TC 16
METROPOLIS* CLEAR 61 58 90 CALM 30.12R TC 16
$$
ILZ067-068-072-073-078-083-087-091-290500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 65 62 90 NW3 30.10S TC 18
FLORA* CLEAR 61 59 94 CALM 30.11S TC 16
FAIRFIELD* CLEAR 60 57 91 CALM 30.11S TC 16
HARRISBURG* CLEAR 60 56 87 CALM 30.12S TC 16
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$