876
ASUS43 KLOT 271608
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-271700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 91 79 67 S12 29.76F HX 107 TC 33
STERLING* N/A 86 83 90 SW9 29.76F HX 106 TC 30
SAVANNA* MOSUNNY 87 80 79 S10 29.75F HX 103 TC 31
ILZ003-004-008-010-011-017-018-271700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 87 80 79 S14 29.73F HX 103 TC 31
FREEPORT* MOSUNNY 89 83 83 SW18G24 29.76F HX 113 TC 32
ROCHELLE* PTSUNNY 85 80 87 SW13G18 29.76F HX 99 TC 29
DE KALB* CLOUDY 82 82 100 SW17 29.76F FOG HX 95
PERU* MOSUNNY 90 81 74 SW15 29.78F HX 108 TC 32
ILZ005-006-012>014-019>023-271700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 85 78 80 S14G23 29.74F HX 96 TC 29
CHICAGO-MIDWAY CLOUDY 88 79 74 SW17G23 29.76F HX 103 TC 31
AURORA CLOUDY 84 79 85 SW10G21 29.75F HAZE HX 96
JOLIET* CLOUDY 85 82 89 SW10 29.78F HX 101 TC 30
WAUKEGAN CLOUDY 81 77 88 S13 29.72F FOG HX 88
DUPAGE AIRPORT LGT RAIN 82 79 90 S13 29.74F FOG HX 92
KANKAKEE* MOSUNNY 88 78 72 SW16 29.82F HX 100 TC 31
WHEELING PTSUNNY 84 78 82 S18 29.74F HX 95 TC 29
LANSING* CLOUDY 83 77 82 S14 29.80F HX 91 TC 28
NORTHERLY ISL* N/A 85 73 67 SE8 N/A HX 91 TC 29
LMZ740>746-271700-
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 75 71 1012.7 2/ 3
WAUKEGAN HARBOR 76 74 1008.3 2/ 3
WILMETTE BUOY 77 150/ 16/ 19 1011.2F 1/ 2
CHICAGO BUOY 78 75 150/ 12 1006.9 1/ 2
HARRISON CRIB 80 150/ 17/ 19 N/A
NORTHERLY ISL 85 150/ 8/ 13 N/A
CALUMET HARBOR 83 150/ 10/ 13 1009.1F
BURNS HARBOR 1010.2F
MICHIGAN CITY 80 170/ 14/ 17 1007.9F
MICH CITY BUOY 78 75 170/ 10/ 14 N/A 1
ST. JOSEPH BUOY 76 73 180/ 10/ 12 1010.7F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-271700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 88 78 72 S12 29.86R HX 101 TC 31
GALESBURG* MOSUNNY 89 79 72 S14 29.83F HX 103 TC 32
MACOMB* MOSUNNY 88 82 80 CALM 29.86S HX 108 TC 31
JACKSONVILLE* SUNNY 85 75 71 S10 29.88S HX 94 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-271700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 87 79 76 MISG 29.83F HX 101 TC 31
BLOOMINGTON SUNNY 86 76 71 SW18 29.86F HX 96 TC 30
DECATUR SUNNY 86 72 62 SW15G26 29.88F HX 92 TC 30
PEORIA SUNNY 88 78 72 SW14G25 29.83F HX 101 TC 31
LACON* MOSUNNY 85 76 73 SW10G17 29.81S HX 95 TC 30
LINCOLN* SUNNY 88 75 66 SW9G17 29.86F HX 98 TC 31
SPRINGFIELD SUNNY 85 71 63 SW16G29 29.87F HX 90 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 86 75 69 SW14G24 29.87F HX 95 TC 30
DANVILLE* SUNNY 88 76 67 W18G28 29.86F HX 99 TC 31
MATTOON SUNNY 87 73 62 SW10G20 29.88S HX 94 TC 31
PARIS* SUNNY 89 75 63 W10G16 29.88S HX 98 TC 32
ILZ079-100>102-271700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 68 51 S16 29.89F HX 91 TC 31
CAHOKIA* SUNNY 89 70 53 SW9 29.89F HX 94 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 88 72 58 SW8 29.89F HX 94 TC 31
CAIRO* SUNNY 85 76 76 W12 29.90F HX 94 TC 29
EFFINGHAM* SUNNY 84 76 76 SW10 29.91S HX 93 TC 29
MT. VERNON SUNNY 88 70 55 W8 29.89 HX 93 TC 31
CENTRALIA* SUNNY 87 71 59 CALM 29.90F HX 92 TC 30
SALEM* SUNNY 86 72 63 MISG 29.90S HX 92 TC 30
METROPOLIS* MOSUNNY 84 71 65 SW5 29.91S HX 89 TC 29
ILZ067-068-072-073-078-083-087-091-271700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* SUNNY 85 70 62 W7 29.88S HX 89 TC 29
HARRISBURG* SUNNY 86 76 71 S5 29.90R HX 96 TC 30
ROBINSON* SUNNY 88 79 74 W6 29.88R HX 102 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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