067
ASUS43 KLOT 280312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-280400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 88 76 67 NW9 29.69R HX 99 TC 31
STERLING* CLEAR 84 82 94 NW6 29.69R HX 100 TC 29
SAVANNA* CLEAR 83 71 65 NW7 29.68R HX 87 TC 28
ILZ003-004-008-010-011-017-018-280400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 79 74 84 SE3 29.69R HX 82 TC 26
FREEPORT* CLEAR 81 73 77 W5 29.70R HX 85 TC 27
ROCHELLE* PTCLDY 78 74 89 NE12G17 29.70R HX 80 TC 25
DE KALB* MOCLDY 75 73 93 SE6 29.72S TC 24
PERU* PTCLDY 84 81 89 SW6 29.68R HX 98 TC 29
ILZ005-006-012>014-019>023-280400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 75 71 87 SW9 29.66R TC 24
CHICAGO-MIDWAY MOCLDY 75 72 90 SW13G23 29.65F TC 24
AURORA TSTM N/A N/A N/A NW14G35 29.69R
JOLIET* LGT RAIN 78 75 91 SW8 29.66F HX 80 TC 26
WAUKEGAN NOT AVBL
DUPAGE AIRPORT MOCLDY 75 73 93 SW10 29.68R TC 24
KANKAKEE* PTCLDY 75 71 88 SW16 29.69S TC 24
WHEELING MOCLDY 75 72 90 W6 29.67R TC 24
ROMEOVILLE* MOCLDY 75 75 100 SE8G21 29.69S TC 24
NORTHERLY ISL* N/A 75 69 81 SW8 N/A TC 24
LMZ740>746-280400-
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 74 67 1006.5 2/ 5
WAUKEGAN HARBOR 75 70 1006.0 2/ 5
WILMETTE BUOY 73 1006.7R 2/ 5
CHICAGO BUOY 76 72 210/ 12 1003.2 2/ 4
HARRISON CRIB 77 210/ 23/ 26 N/A
NORTHERLY ISL 74 220/ 8/ 14 N/A
CALUMET HARBOR 74 200/ 10/ 13 1004.3
BURNS HARBOR 1005.1F
MICHIGAN CITY 73 170/ 21/ 26 1002.3F
MICH CITY BUOY 73 74 200/ 16/ 19 N/A 2/ 3
ST. JOSEPH BUOY 74 72 190/ 14/ 17 1005.1R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 82 77 84 SW8 29.74R HX 90 TC 28
GALESBURG* PTCLDY 82 77 83 W6 29.73R HX 90 TC 28
MACOMB* CLEAR 79 79 99 CALM 29.74R HX 84 TC 26
JACKSONVILLE* CLEAR 83 76 80 SW6 29.74R HX 91 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-280400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 78 77 96 MISG 29.71R HX 82 TC 26
BLOOMINGTON MOCLDY 81 79 94 S12 29.75R HX 90 TC 27
DECATUR CLEAR 80 76 87 SW6 29.75R HX 86 TC 27
PEORIA MOCLDY 84 77 79 SW3 29.71R HX 94 TC 29
LACON* PTCLDY 84 77 80 S3 29.68R HX 94 TC 29
LINCOLN* CLEAR 82 79 88 S5 29.73R HX 92 TC 28
SPRINGFIELD CLEAR 82 74 76 S6 29.74R HX 88 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 73 71 93 S9 29.76S TC 23
DANVILLE* PTCLDY 75 67 76 S9 29.75S TC 24
MATTOON PTCLDY 74 71 91 S8 29.76S TC 23
PARIS* CLOUDY 75 68 79 S14G20 29.77S THUNDER TC 24
ILZ079-100>102-280400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 82 73 74 SW13 29.77S HX 88 TC 28
BELLEVILLE CLOUDY 82 76 80 S6 29.75F HX 89 TC 28
CAHOKIA* PTCLDY 81 71 71 SW5 29.77S HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 86 83 91 CALM 29.83F HX 106 TC 30
EFFINGHAM* PTCLDY 78 77 99 S3 29.80R TC 25
MARION MOCLDY 85 80 86 SW8 29.81F HX 100 TC 30
MT. VERNON LGT RAIN 83 79 88 SW5 29.79F HX 94 TC 28
CENTRALIA* MOCLDY 82 80 93 CALM 29.78F HX 94 TC 28
SALEM* MOCLDY 83 81 93 MISG 29.79S HX 96 TC 28
METROPOLIS* PTCLDY 82 81 97 CALM 29.84S HX 93 TC 28
ILZ067-068-072-073-078-083-087-091-280400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* MOCLDY 83 78 84 CALM 29.78F HX 94 TC 29
HARRISBURG* MOCLDY 84 81 92 S5 29.80F HX 98 TC 29
ROBINSON* MOCLDY 75 75 100 S8 29.77F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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