Regional Weather Roundup
Issued by NWS
Issued by NWS
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701
ASUS43 KLOT 181758
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT MON AUG 18 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.
ILZ001-002-007-009-015-016-024-181900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 77 67 S7 29.97F HX 101 TC 32
6HR MIN TEMP: 71; 6HR MAX TEMP: 89;
$$
ILZ003-004-008-010-011-017-018-181900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 85 76 74 S10 30.01F HX 94 TC 29
6HR MIN TEMP: 72; 6HR MAX TEMP: 85;
$$
ILZ005-006-012>014-019>023-181900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 81 72 74 S12 30.05F HX 85 TC 27
6HR MIN TEMP: 73; 6HR MAX TEMP: 82; 6HR PCP: TRACE;
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 86 77 74 S13 30.04S HX 97 TC 30
6HR MIN TEMP: 74; 6HR MAX TEMP: 86;
WAUKEGAN MOSUNNY 80 69 69 SE15 30.05F HX 83 TC 27
6HR MIN TEMP: 74; 6HR MAX TEMP: 81;
DUPAGE AIRPORT PTSUNNY 85 74 69 S13 30.04S HX 92 TC 29
6HR MIN TEMP: 73; 6HR MAX TEMP: 85;
WHEELING MOSUNNY 84 73 69 SE12 30.06F HX 90 TC 29
6HR MIN TEMP: 71; 6HR MAX TEMP: 84; 6HR PCP: 0.01;
ROMEOVILLE* PTSUNNY 84 79 84 MISG 30.06F HX 96 TC 29
NORTHERLY ISL* N/A 79 72 79 E10 N/A HX 82 TC 26
$$
LMZ740>746-181900-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 73 76 140/ 17/ 21 1018.3F
WINTHROP HARBOR 74 75 140/ 16/ 21 N/A 4/ 5
WAUKEGAN HARBOR 75 76 140/ 16/ 21 N/A 3/ 5
WILMETTE BUOY 74 150/ 16/ 19 1019.9F 3/ 5
NORTHERLY ISL 78 120/ 7/ 10 N/A
CALUMET HARBOR 78 150/ 5/ 7 1017.2
BURNS HARBOR 76 160/ 5/ 8 1019.3F
MICHIGAN CITY 71 110/ 10/ 15 1017.6F
MICH CITY BUOY 72 76 130/ 14/ 17 1017.6F 2/ 6
ST. JOSEPH BUOY 71 75 100/ 16/ 19 1020.3F 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-181900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-181900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 90 76 63 SW9 30.03F HX 101 TC 32
6HR MIN TEMP: 77; 6HR MAX TEMP: 91;
TAYLORVILLE SUNNY 90 77 66 S7 30.06F HX 102 TC 32
$$
ILZ033-039-045-046-055>057-062-063-181900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-181900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 75 59 S9 30.05F HX 102 TC 33
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 71 48 VRB3 30.06F HX 100 TC 34
6HR MIN TEMP: 73; 6HR MAX TEMP: 93;
MARION MOSUNNY 91 72 52 SW7 30.07F HX 98 TC 33
$$
ILZ067-068-072-073-078-083-087-091-181900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$