Regional Weather Roundup
Issued by NWS
Issued by NWS
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005
ASUS43 KLOT 301503
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT SAT AUG 30 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.
ILZ001-002-007-009-015-016-024-301600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 65 62 90 E6 30.15R TC 18
$$
ILZ003-004-008-010-011-017-018-301600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 66 56 70 VRB5 30.20S TC 19
$$
ILZ005-006-012>014-019>023-301600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 67 54 63 NE6 30.18R TC 19
CHICAGO-MIDWAY PTSUNNY 69 52 54 E5 30.19R TC 21
AURORA CLOUDY 67 57 70 E5 30.19R TC 19
WAUKEGAN CLOUDY 69 55 60 E7 30.20R TC 21
DUPAGE AIRPORT CLOUDY 68 56 65 CALM 30.19R TC 20
WHEELING CLOUDY 69 54 58 NE3 30.21R TC 21
MORRIS* MOSUNNY 66 60 79 E5 30.18S TC 19
ROMEOVILLE* CLOUDY 68 57 68 E6 30.20R TC 20
LANSING* CLOUDY 63 55 76 CALM 30.21R TC 17
NORTHERLY ISL* N/A 65 53 65 SE2 N/A TC 18
$$
LMZ740>746-301600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 65 70 130/ 2/ 4 1022.8R
WINTHROP HARBOR 56 N/A
WAUKEGAN HARBOR 56 N/A
WILMETTE BUOY 66 N/A
HARRISON CRIB 66 110/ 5/ 6 N/A
NORTHERLY ISL 65 80/ 4/ 6 N/A
CALUMET HARBOR 65 90/ 1/ 4 1021.2
BURNS HARBOR 62 190/ 3/ 3 1023.4R
MICHIGAN CITY 62 160/ 7/ 8 1021.4R
MICH CITY BUOY 56 N/A
ST. JOSEPH BUOY 56 N/A
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-301600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 72 62 71 S8 30.12S TC 22
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-301600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR MOSUNNY 68 55 63 E5 30.18R TC 20
PEORIA CLOUDY 66 52 60 SE3 30.17R TC 19
SPRINGFIELD PTSUNNY 68 54 60 SE7 30.16R TC 20
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-301600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 69 55 60 E3 30.18R TC 21
MATTOON CLOUDY 64 57 78 SE6 30.17R TC 18
$$
ILZ079-100>102-301600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 68 57 68 VRB6 30.15S TC 20
CAHOKIA* SUNNY 74 57 55 SE5 30.13S TC 23
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 75 54 47 SE7 30.12S TC 24
MARION SUNNY 73 54 49 SE7 30.13R TC 23
CENTRALIA* MOSUNNY 74 53 46 SE5 30.15R TC 24
SALEM* CLOUDY 71 54 55 CALM 30.15R TC 22
METROPOLIS* SUNNY 75 52 44 SE3 30.12S TC 24
$$
ILZ067-068-072-073-078-083-087-091-301600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 71 55 56 SE5 30.15S TC 22
FAIRFIELD* MOSUNNY 72 53 52 E3 30.14R TC 22
HARRISBURG* SUNNY 74 53 47 E6 30.13R TC 24
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$