842
ASUS43 KLOT 280401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON JUL 27 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.
ILZ001-002-007-009-015-016-024-280500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 84 70 62 NW7 29.71R HX 88 TC 29
STERLING* CLEAR 81 71 71 W7 29.70R HX 85 TC 27
ILZ003-004-008-010-011-017-018-280500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 76 73 91 S3 29.70R TC 24
ILZ005-006-012>014-019>023-280500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 76 72 87 SW12 29.65F TC 24
CHICAGO-MIDWAY PTCLDY 76 72 87 SW10 29.67R TC 24
AURORA PTCLDY N/A N/A N/A S10 29.67F
JOLIET* HVY RAIN 77 77 99 SW5 29.69R TC 25
WAUKEGAN N/A N/A N/A N/A MISG 29.65
DUPAGE AIRPORT PTCLDY 74 73 97 S6 29.67F TC 23
KANKAKEE* PTCLDY 74 70 87 SW8 29.71R TC 23
WHEELING PTCLDY 75 72 90 SW6 29.67S TC 24
NORTHERLY ISL* N/A 76 70 82 SW10 N/A TC 24
LMZ740>746-280500-
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 72 64 1004.2F 2/ 5
WAUKEGAN HARBOR 75 70 1005.8F 2/ 5
WILMETTE BUOY 73 1006.9R 2/ 4
CHICAGO BUOY 76 72 230/ 16 1003.4R 2/ 2
HARRISON CRIB 78 230/ 19/ 21 N/A
NORTHERLY ISL 75 230/ 5/ 10 N/A
CALUMET HARBOR 75 200/ 8/ 12 1004.4
BURNS HARBOR 1005.1S
MICHIGAN CITY 73 170/ 18/ 23 1002.5R
MICH CITY BUOY 74 74 200/ 17/ 21 N/A 2/ 3
ST. JOSEPH BUOY 74 72 200/ 14/ 17 1005.3R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 83 76 79 SW8 29.75R HX 91 TC 28
MACOMB* CLEAR 76 76 100 CALM 29.76R TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-280500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 81 80 97 SW12 29.73F HX 91 TC 27
DECATUR CLEAR 80 76 87 SW9 29.75S HX 86 TC 27
PEORIA PTCLDY 83 77 82 SW8 29.71S HX 92 TC 28
LINCOLN* CLEAR 83 75 78 SW3 29.74R HX 90 TC 28
SPRINGFIELD CLEAR 81 75 82 SW3 29.75R HX 87 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 74 71 91 S9 29.74F TC 23
DANVILLE* PTCLDY 76 68 76 S12G17 29.73F TC 25
MATTOON CLOUDY 76 73 91 S8 29.76S TC 24
ILZ079-100>102-280500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 82 74 76 SW6 29.77S HX 88 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 85 83 91 CALM 29.82S HX 104 TC 30
EFFINGHAM* PTCLDY 78 78 99 CALM 29.80R HX 81 TC 26
MARION MOCLDY 85 80 84 SW9 29.80S HX 99 TC 30
MT. VERNON PTCLDY 83 79 88 SW3 29.79S HX 94 TC 28
CENTRALIA* PTCLDY 82 79 90 CALM 29.79R HX 93 TC 28
SALEM* PTCLDY 81 81 100 MISG 29.79R HX 91 TC 27
ILZ067-068-072-073-078-083-087-091-280500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
HARRISBURG* MOCLDY 84 81 89 S5 29.79S HX 98 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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