Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 311256
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SUN AUG 31 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.
ILZ001-002-007-009-015-016-024-311400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 60 56 86 E7 30.25R TC 16
$$
ILZ003-004-008-010-011-017-018-311400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
FREEPORT* MOSUNNY 55 54 94 E3 30.30R TC 13
$$
ILZ005-006-012>014-019>023-311400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 60 51 72 N3 30.26R TC 16
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 59 53 80 CALM 30.28R TC 15
WAUKEGAN SUNNY 61 52 72 CALM 30.28R TC 16
DUPAGE AIRPORT SUNNY 58 52 80 N5 30.27R TC 14
WHEELING SUNNY 60 53 77 N3 30.29R TC 16
ROMEOVILLE* SUNNY 61 59 94 CALM 30.28R TC 16
NORTHERLY ISL* N/A 64 54 69 W5 N/A TC 18
$$
LMZ740>746-311400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 66 70 120/ 4/ 8 1025.1R
WILMETTE BUOY 66 1025.8
CHICAGO BUOY 67 1026.0
HARRISON CRIB 67 200/ 5/ 6 N/A
NORTHERLY ISL 63 240/ 5/ 5 N/A
CALUMET HARBOR 61 180/ 3/ 4 1023.5
BURNS HARBOR 61 180/ 4/ 5 1025.4R
MICHIGAN CITY 60 150/ 8/ 10 1023.8R
ST. JOSEPH BUOY 1012.7R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-311400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-311400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD MOSUNNY 61 56 83 E5 30.24R TC 16
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-311400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-311400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 63 59 88 CALM 30.22R TC 17
CAHOKIA* PTSUNNY 69 58 67 E3 30.20R TC 21
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 67 58 72 E5 30.19R TC 19
MARION PTSUNNY 66 57 72 E5 30.19R TC 19
$$
ILZ067-068-072-073-078-083-087-091-311400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$