199
ASUS43 KLOT 280801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM 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.
ILZ001-002-007-009-015-016-024-280900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 78 71 79 N6 29.73S HX 80 TC 26
STERLING* CLEAR 77 73 87 N9 29.73R TC 25
SAVANNA* CLEAR 77 71 82 NW7 29.74S TC 25
ILZ003-004-008-010-011-017-018-280900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 77 72 84 N13G20 29.75R TC 25
FREEPORT* CLEAR 75 73 95 N6 29.77R TC 24
DE KALB* CLEAR 73 73 100 N8 29.74R TC 23
ILZ005-006-012>014-019>023-280900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 73 70 90 N14 29.70R TC 23
CHICAGO-MIDWAY PTCLDY 74 72 93 N14 29.69R TC 23
AURORA CLEAR N/A N/A N/A N7 29.70R
JOLIET* CLEAR 75 75 100 N6 29.69R FOG TC 24
WAUKEGAN N/A N/A N/A N/A MISG 29.72R
DUPAGE AIRPORT CLEAR 73 72 96 N8 29.70R TC 23
KANKAKEE* PTCLDY 71 69 95 W3 29.69R TC 21
WHEELING CLEAR 73 69 87 N10 29.73R TC 23
NORTHERLY ISL* N/A 73 69 87 NW14 N/A TC 23
LMZ740>746-280900-
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 60 50 992.3F 2/ 3
WAUKEGAN HARBOR 64 63 1008.0R 1/ 2
WILMETTE BUOY 67 30/ 12/ 14 1008.3R 1/ 3
CHICAGO BUOY 72 71 340/ 14 1004.6R 1/ 2
HARRISON CRIB 72 340/ 15/ 16 N/A
NORTHERLY ISL 73 10/ 8/ 11 N/A
CALUMET HARBOR 73 330/ 7/ 12 1005.4F
BURNS HARBOR 1005.8S
MICHIGAN CITY 74 330/ 6/ 9 1003.2S
MICH CITY BUOY 74 74 350/ 12/ 16 N/A 1/ 3
ST. JOSEPH BUOY 72 71 320/ 8/ 10 1005.5F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 75 93 NW5 29.75F TC 25
GALESBURG* CLEAR 74 73 94 W3 29.75F TC 24
MACOMB* CLEAR 74 74 100 CALM 29.76F TC 24
JACKSONVILLE* CLEAR 77 77 100 W5 29.74F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-280900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 77 77 100 W9 29.71F TC 25
DECATUR CLEAR 78 74 87 W9 29.71S HX 81 TC 26
PEORIA CLEAR 79 73 82 NW5 29.71S HX 82 TC 26
LACON* CLEAR 77 70 79 NW3 29.70S TC 25
LINCOLN* CLEAR 81 78 90 W3 29.71S HX 89 TC 27
SPRINGFIELD CLEAR 78 75 90 W6 29.72S HX 81 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 75 74 96 W7 29.70S TC 24
DANVILLE* CLEAR 77 74 91 W9 29.69S TC 25
MATTOON CLEAR 80 73 79 W8 29.70S HX 84 TC 27
ILZ079-100>102-280900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 81 74 81 W6 29.73F HX 86 TC 27
BELLEVILLE CLEAR 82 77 84 SW7 29.71F HX 91 TC 28
CAHOKIA* CLEAR 81 75 82 SW3 29.73F HX 87 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 83 78 85 SW5 29.77F HX 94 TC 29
EFFINGHAM* PTCLDY 76 76 99 SW6 29.73S TC 25
MARION CLEAR 82 79 90 SW7 29.76F HX 92 TC 28
MT. VERNON CLEAR 81 80 97 W6 29.74F HX 91 TC 27
CENTRALIA* CLEAR 80 76 87 CALM 29.74S HX 85 TC 27
SALEM* CLEAR 79 76 89 MISG 29.73F HX 83 TC 26
ILZ067-068-072-073-078-083-087-091-280900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* CLEAR 80 78 93 SW6 29.72F HX 87 TC 27
HARRISBURG* CLEAR 82 80 94 SW6 29.74F HX 92 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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