961
ASUS43 KLOT 282201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-282300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 86 68 54 N7 29.85F HX 89 TC 30
STERLING* SUNNY 85 64 49 N7 29.88S HX 86 TC 29
SAVANNA* SUNNY 85 62 45 N7 29.88S HX 85 TC 30
ILZ003-004-008-010-011-017-018-282300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 85 62 46 NE8 29.88R HX 85 TC 29
FREEPORT* SUNNY 83 66 57 N7 29.91R HX 85 TC 28
DE KALB* SUNNY 81 66 59 NE5 29.89R HX 83 TC 27
ILZ005-006-012>014-019>023-282300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE SUNNY 77 57 50 NE14 29.87S TC 25
CHICAGO-MIDWAY SUNNY 77 56 48 NE14 29.87S TC 25
AURORA SUNNY 82 66 58 N7 29.86S HX 84 TC 28
JOLIET* SUNNY 82 65 55 NE10 29.86R HX 84 TC 28
WAUKEGAN SUNNY 73 59 61 NE7G14 29.88S TC 23
DUPAGE AIRPORT SUNNY 80 60 50 NE10 29.86S HX 81 TC 27
KANKAKEE* SUNNY 79 67 67 NE12 29.86F HX 81 TC 26
WHEELING MOSUNNY 75 54 47 NE16G24 29.89S TC 24
ROMEOVILLE* SUNNY 81 64 57 NE12G17 29.87S HX 82 TC 27
NORTHERLY ISL* N/A 73 60 63 N12 N/A TC 23
LMZ740>746-282300-
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 69 1022.2F 4/ 6
WAUKEGAN HARBOR 69 68 1012.9S 3/ 6
WILMETTE BUOY 70 20/ 16/ 19 1014.4F 4/ 6
CHICAGO BUOY 71 68 360/ 10 1010.7F 4/ 6
HARRISON CRIB 71 350/ 15/ 16 N/A
NORTHERLY ISL 73 10/ 8/ 14 N/A
CALUMET HARBOR 71 340/ 12/ 15 1011.9F
BURNS HARBOR 1011.9F
MICHIGAN CITY 71 340/ 18/ 20 1009.9F
MICH CITY BUOY 71 73 340/ 14/ 19 N/A 5/ 6
ST. JOSEPH BUOY 69 71 350/ 14/ 19 1011.9R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-282300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 87 74 64 N8 29.85S HX 95 TC 31
GALESBURG* MOSUNNY 83 70 64 N9 29.88S HX 87 TC 29
MACOMB* MOSUNNY 84 76 76 CALM 29.88F HX 93 TC 29
JACKSONVILLE* MOSUNNY 85 71 63 NE9 29.85S HX 89 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-282300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 82 70 66 N8 29.88S HX 86 TC 28
DECATUR PTSUNNY 79 71 76 NE9 29.85F HX 82 TC 26
PEORIA MOSUNNY 85 69 58 VRB6 29.85F HX 89 TC 29
LACON* SUNNY 83 65 54 NE6 29.85F HX 84 TC 28
LINCOLN* MOSUNNY 84 72 67 NE8 29.86S HX 89 TC 29
SPRINGFIELD MOSUNNY 83 70 64 N9 29.85S HX 87 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-282300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 79 69 71 N10 29.85S HX 81 TC 26
DANVILLE* MOSUNNY 80 67 66 N7 29.85S HX 82 TC 26
MATTOON PTSUNNY 79 70 74 N13 29.83F HX 82 TC 26
ILZ079-100>102-282300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 75 70 N7 29.83S HX 95 TC 30
CAHOKIA* PTSUNNY 89 76 65 N8 29.80S HX 100 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-282300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTSUNNY 89 82 81 CALM 29.79S HX 109 TC 32
EFFINGHAM* PTSUNNY 80 74 83 N6 29.84F HX 85 TC 27
MT. VERNON PTSUNNY 87 74 64 NE10 29.81R HX 95 TC 31
CENTRALIA* PTSUNNY 87 74 65 CALM 29.81S HX 95 TC 31
SALEM* PTSUNNY 86 78 76 MISG 29.82R HX 97 TC 30
ILZ067-068-072-073-078-083-087-091-282300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* PTSUNNY 84 74 73 N7 29.80S HX 91 TC 29
HARRISBURG* PTSUNNY 89 77 66 NE9 29.78 HX 102 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page