Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 250510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT MON AUG 25 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.
ILZ001-002-007-009-015-016-024-250600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 61 51 70 NW9 30.08R TC 16
$$
ILZ003-004-008-010-011-017-018-250600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 57 49 74 NW7 30.06S TC 14
ROCHELLE* PTCLDY 52 49 89 W6 30.06S TC 11
DE KALB* PTCLDY 55 51 86 NW6 30.05R TC 13
PERU* CLEAR 56 52 87 NW5 30.05S TC 13
$$
ILZ005-006-012>014-019>023-250600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 61 48 62 W7 30.00R TC 16
CHICAGO-MIDWAY PTCLDY 64 46 52 NW12 30.01R TC 18
AURORA CLEAR 51 49 92 W5 30.03R TC 11
JOLIET* CLEAR 61 50 67 CALM 30.03R TC 16
WAUKEGAN CLEAR 58 48 69 NW5 30.00R TC 14
DUPAGE AIRPORT CLEAR 58 49 72 W5 30.02R TC 14
KANKAKEE* CLEAR 55 54 94 W7 30.04R TC 13
WHEELING PTCLDY 61 49 64 NW10 30.02R TC 16
MORRIS* CLEAR 55 52 89 NW5 30.03R TC 13
ROMEOVILLE* PTCLDY 59 52 77 NW5 30.03S TC 15
LANSING* MOCLDY 62 47 58 NW5 30.01S TC 17
NORTHERLY ISL* N/A 64 48 56 NW9 N/A TC 18
$$
LMZ740>746-250600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 65 72 320/ 19/ 21 1014.4R 6/ 6
WINTHROP HARBOR 61 71 240/ 12/ 17 N/A 1/ 3
WAUKEGAN HARBOR 62 71 N/A 1/ 3
WILMETTE BUOY 65 360/ 19/ 25 1016.8R 3/ 4
HARRISON CRIB 65 310/ 16/ 18 N/A
NORTHERLY ISL 64 310/ 6/ 14 N/A
CALUMET HARBOR 65 290/ 5/ 11 1015.0
BURNS HARBOR 67 330/ 9/ 14 1015.9R
MICHIGAN CITY 67 320/ 21/ 25 1013.7R
MICH CITY BUOY 67 73 320/ 17/ 23 1013.5R 8/ 6
ST. JOSEPH BUOY 68 72 300/ 21/ 27 1015.6S 6/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-250600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 61 54 77 NW8 30.10S TC 16
GALESBURG* CLEAR 53 49 87 W3 30.10R TC 12
MACOMB* CLEAR 56 51 83 NW7 30.12R TC 14
JACKSONVILLE* CLOUDY 57 53 88 W5 30.09S TC 14
PITTSFIELD* CLOUDY 61 54 77 W5 30.11S TC 16
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-250600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 55 52 90 NW5 30.05R TC 13
BLOOMINGTON CLEAR 59 52 77 NW9 30.07R TC 15
DECATUR CLEAR 64 53 67 W7 30.07R TC 18
PEORIA CLEAR 59 52 77 NW5 30.07R TC 15
LACON* CLEAR 58 50 74 CALM 30.05S TC 14
LINCOLN* CLEAR 60 53 77 CALM 30.07S TC 16
SPRINGFIELD CLEAR 56 52 86 W6 30.08R TC 13
TAYLORVILLE PTCLDY 55 52 88 W6 30.08S TC 13
$$
ILZ033-039-045-046-055>057-062-063-250600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 56 53 90 W6 30.05S TC 13
DANVILLE* CLEAR 59 53 81 W6 30.04S TC 15
RANTOUL* CLEAR 56 51 84 W6 30.05R TC 13
MATTOON CLEAR 60 51 72 W7 30.05R TC 16
PARIS* CLEAR 54 52 93 W6 30.04S TC 12
$$
ILZ079-100>102-250600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 59 56 87 CALM 30.09S TC 15
BELLEVILLE MOCLDY 64 56 76 CALM 30.07R TC 18
CAHOKIA* PTCLDY 58 55 90 CALM 30.09R TC 14
SPARTA* CLOUDY 65 55 71 CALM 30.10R TC 18
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-250600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 55 53 93 CALM 30.08S TC 13
CAIRO* CLEAR 61 58 89 CALM 30.09R TC 16
EFFINGHAM* CLEAR 56 55 94 CALM 30.08S TC 13
MARION CLEAR 58 54 86 CALM 30.09S TC 14
MT. VERNON CLEAR 56 54 93 CALM 30.08R TC 13
CENTRALIA* PTCLDY 56 53 88 CALM 30.08S TC 14
SALEM* MOCLDY 56 53 87 CALM 30.08R TC 14
METROPOLIS* CLEAR 61 54 78 CALM 30.08S TC 16
$$
ILZ067-068-072-073-078-083-087-091-250600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 59 55 87 NW6 30.05R TC 15
FLORA* CLEAR 57 54 88 W5 30.07S TC 14
FAIRFIELD* PTCLDY 57 55 90 CALM 30.07R TC 14
HARRISBURG* CLEAR 57 53 87 CALM 30.08R TC 14
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$