594
ASUS43 KLOT 270010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT WED AUG 26 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-270100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 79 64 60 NW10G20 29.92F HX 81 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 85;
STERLING* CLEAR 78 65 63 W6 29.92S HX 80 TC 26
SAVANNA* CLEAR 79 63 56 W8 29.91F HX 81 TC 26
ILZ003-004-008-010-011-017-018-270100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 78 62 57 W9 29.91S HX 80 TC 26
6HR MIN TEMP: 78; 6HR MAX TEMP: 85;
FREEPORT* CLEAR 77 65 65 NW7 29.93S TC 25
ROCHELLE* CLEAR 77 62 60 W5 29.92R TC 25
DE KALB* PTCLDY 76 63 64 NW7 29.92R TC 25
PERU* CLEAR 77 66 69 W5 29.91S TC 25
ILZ005-006-012>014-019>023-270100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 81 60 48 NW9 29.87S HX 82 TC 27
6HR MIN TEMP: 81; 6HR MAX TEMP: 84;
CHICAGO-MIDWAY PTCLDY 80 61 52 W13 29.87S HX 81 TC 27
6HR MIN TEMP: 80; 6HR MAX TEMP: 85;
AURORA CLEAR 76 65 68 W6 29.89S TC 24
6HR MIN TEMP: 76; 6HR MAX TEMP: 83;
JOLIET* CLEAR 80 64 58 W5 29.90S HX 82 TC 27
WAUKEGAN CLEAR 78 63 59 NW5 29.87S HX 80 TC 26
6HR MIN TEMP: 75; 6HR MAX TEMP: 82; 6HR PCP: TRACE;
DUPAGE AIRPORT CLEAR 79 64 61 W6 29.89S HX 81 TC 26
KANKAKEE* CLEAR 78 64 61 W8 29.90S TC 25
WHEELING PTCLDY 79 62 56 NW9 29.89R HX 80 TC 26
6HR MIN TEMP: 79; 6HR MAX TEMP: 84;
LANSING* CLOUDY 78 63 60 W7 29.88S HX 80 TC 26
NORTHERLY ISL* N/A 81 60 48 NW8 N/A HX 82 TC 27
LMZ740>746-270100-
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)
WINTHROP HARBOR 77 73 280/ 4/ 6 1011.9 1
WAUKEGAN HARBOR 78 74 300/ 6/ 10 1012.8 0
WILMETTE BUOY 77 360/ 10/ 16 1015.1F 1/ 3
CHICAGO BUOY 77 74 1010.8 1/ 3
NORTHERLY ISL 81 300/ 9/ 14 N/A
CALUMET HARBOR 260/ 3/ 6 1011.7
MICH CITY BUOY 76 75 100/ 2/ 4 N/A 1
ST. JOSEPH BUOY 74 74 210/ 4/ 4 1012.5R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-270100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 79 66 64 N6 29.96R HX 81 TC 26
GALESBURG* CLEAR 77 67 71 NW6 29.96S TC 25
MACOMB* CLEAR 78 70 77 NW3 29.97S TC 25
JACKSONVILLE* CLEAR 79 66 64 NW6 29.95R HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-270100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 78 66 66 W6 29.92R HX 80 TC 26
BLOOMINGTON CLEAR 80 64 58 NW13 29.94S HX 82 TC 27
DECATUR CLEAR 81 64 56 NW10G21 29.93R HX 82 TC 27
PEORIA CLEAR 79 64 61 NW6 29.93 HX 81 TC 26
LACON* PTCLDY 79 63 56 NW6 29.91S HX 81 TC 26
LINCOLN* CLEAR 81 68 63 NW3 29.93S HX 84 TC 27
SPRINGFIELD CLEAR 80 66 62 NW6 29.94R HX 82 TC 27
6HR MIN TEMP: 80; 6HR MAX TEMP: 90;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 77 68 73 NW6 29.92S TC 25
RANTOUL* CLEAR 77 65 65 NW6 29.93R TC 25
MATTOON CLEAR 81 69 67 NW10 29.92R HX 84 TC 27
PARIS* PTCLDY 77 70 79 NW3 29.91S TC 25
ILZ079-100>102-270100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 88 73 60 NW3 29.89S HX 95 TC 31
CAHOKIA* PTCLDY 89 63 41 NW9 29.90F HX 90 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 88 73 62 CALM 29.91S HX 96 TC 31
CAIRO* MOCLDY 83 76 77 CALM 29.94S HX 92 TC 29
EFFINGHAM* PTCLDY 83 67 58 W6 29.93R HX 86 TC 28
MARION CLEAR 86 73 66 SW5 29.92S HX 93 TC 30
MT. VERNON PTCLDY 87 70 56 W3 29.92S HX 92 TC 31
CENTRALIA* CLEAR 86 65 49 MISG 29.92S HX 88 TC 30
SALEM* N/A 85 70 59 MISG 29.91S HX 90 TC 30
METROPOLIS* PTCLDY 82 69 63 SE3 29.95R HX 85 TC 28
ILZ067-068-072-073-078-083-087-091-270100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 86 70 58 W5 29.90R HX 90 TC 30
FLORA* CLEAR 86 70 58 W7 29.91S HX 90 TC 30
FAIRFIELD* PTCLDY 84 71 63 CALM 29.91S HX 88 TC 29
HARRISBURG* PTCLDY 86 73 64 CALM 29.92S HX 92 TC 30
ROBINSON* CLEAR 82 72 69 W6 29.89S HX 87 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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