830
ASUS43 KLOT 281806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT TUE JUL 28 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.
ILZ001-002-007-009-015-016-024-281900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 71 69 N7 29.88S HX 86 TC 28
6HR MIN TEMP: 78; 6HR MAX TEMP: 82;
STERLING* MOSUNNY 83 69 62 NE12 29.90F HX 86 TC 28
SAVANNA* MOSUNNY 82 67 59 N7 29.90S HX 84 TC 28
ILZ003-004-008-010-011-017-018-281900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 83 61 47 N7 29.90S HX 83 TC 28
6HR MIN TEMP: 71; 6HR MAX TEMP: 83;
FREEPORT* MOSUNNY 80 65 59 N8 29.93S HX 82 TC 27
ROCHELLE* MOSUNNY 80 60 50 NE7 29.90S HX 81 TC 27
DE KALB* SUNNY 80 65 59 NE8 29.90F HX 82 TC 27
PERU* PTSUNNY 81 68 65 N6 29.88S HX 83 TC 27
ILZ005-006-012>014-019>023-281900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 78 62 57 N17 29.88R HX 80 TC 26
6HR MIN TEMP: 68; 6HR MAX TEMP: 78; 6HR PCP: TRACE;
CHICAGO-MIDWAY MOSUNNY 76 64 66 N13 29.88S TC 24
6HR MIN TEMP: 68; 6HR MAX TEMP: 76;
AURORA SUNNY 81 66 60 NE9 29.88S HX 83 TC 27
JOLIET* MOSUNNY 80 66 64 N7 29.87F HX 82 TC 26
WAUKEGAN MOSUNNY N/A N/A N/A NE14 29.89R
DUPAGE AIRPORT SUNNY 78 64 61 NE8 29.88S HX 80 TC 26
6HR MIN TEMP: 68; 6HR MAX TEMP: 79;
KANKAKEE* CLOUDY 73 67 81 N9 29.88F TC 23
WHEELING PTSUNNY 78 63 59 NE12G22 29.89S HX 80 TC 26
6HR MIN TEMP: 68; 6HR MAX TEMP: 78;
NORTHERLY ISL* N/A 73 65 75 NW9 N/A TC 23
LMZ740>746-281900-
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 62 1019.3R 4/ 6
WAUKEGAN HARBOR 67 67 1013.0R 3/ 6
WILMETTE BUOY 69 10/ 14/ 17 1014.4R 5/ 6
CHICAGO BUOY 69 67 360/ 12 1011.0R 4/ 7
HARRISON CRIB 69 350/ 16/ 18 N/A
NORTHERLY ISL 71 350/ 11/ 15 N/A
CALUMET HARBOR 71 310/ 10/ 17 1012.2
BURNS HARBOR 1012.2R
MICHIGAN CITY 70 350/ 18/ 20 1010.0R
MICH CITY BUOY 70 73 350/ 14/ 21 N/A 5/ 7
ST. JOSEPH BUOY 69 71 350/ 12/ 16 1011.7R 5/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-281900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 86 76 71 NE9 29.87S HX 96 TC 30
GALESBURG* MOSUNNY 80 70 73 N7 29.90F HX 83 TC 26
MACOMB* PTSUNNY 83 76 79 NE3 29.90S HX 90 TC 28
JACKSONVILLE* CLOUDY 85 76 73 N10 29.85S HX 94 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-281900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 78 69 72 MISG 29.89S HX 81 TC 26
BLOOMINGTON MOSUNNY 81 69 67 N17 29.88S HX 84 TC 27
DECATUR MOSUNNY 82 71 69 NE13 29.85S HX 86 TC 28
PEORIA MOSUNNY 80 70 71 NW5 29.88R HX 83 TC 27
6HR MIN TEMP: 76; 6HR MAX TEMP: 82;
LACON* MOSUNNY 82 67 60 NE7 29.86F HX 84 TC 28
LINCOLN* MOSUNNY 80 71 75 N7 29.87R HX 83 TC 27
SPRINGFIELD PTSUNNY 84 73 69 N8 29.85R HX 90 TC 29
6HR MIN TEMP: 76; 6HR MAX TEMP: 85;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-281900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 75 69 81 N13 29.87R TC 24
DANVILLE* PTSUNNY 80 69 68 N14 29.85S HX 83 TC 27
MATTOON MOSUNNY 80 71 74 N15 29.83S HX 84 TC 27
PARIS* CLOUDY 79 69 70 N8 29.85R HX 82 TC 26
ILZ079-100>102-281900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 N12 29.83R HX 100 TC 31
BELLEVILLE PTSUNNY 92 80 68 NW10 29.80R HX 111 TC 33
CAHOKIA* PTSUNNY 90 75 61 N10 29.82R HX 100 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 91 75 59 NW7 29.79F HX 102 TC 33
CAIRO* PTSUNNY 89 80 75 NW3 29.80S HX 107 TC 32
EFFINGHAM* MOSUNNY 86 78 77 NW9 29.84R HX 98 TC 30
MT. VERNON PTSUNNY 92 73 53 VRB6 29.80S HX 100 TC 33
CENTRALIA* PTSUNNY 90 78 66 CALM 29.81S HX 104 TC 32
SALEM* PTSUNNY 89 79 72 MISG 29.81S HX 103 TC 32
METROPOLIS* PTSUNNY 93 78 61 W6 29.80S HX 108 TC 34
ILZ067-068-072-073-078-083-087-091-281900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* PTSUNNY 88 77 70 N9 29.79R HX 100 TC 31
HARRISBURG* MOSUNNY 92 76 58 N8 29.79S HX 104 TC 34
ROBINSON* MOSUNNY 86 77 74 N9G16 29.80R HX 97 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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