584
ASUS43 KLOT 271206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-271300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 78 76 93 CALM 29.82R HX 81 TC 26
6HR MIN TEMP: 75; 6HR MAX TEMP: 81;
STERLING* FOG 80 80 100 VRB3 29.84S VSB 1/2 HX 89
SAVANNA* FOG 76 75 97 CALM 29.82S VSB 1/2 TC 25
ILZ003-004-008-010-011-017-018-271300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FOG 79 79 100 S7 29.84S VSB 1/8 HX 84
6HR MIN TEMP: 78; 6HR MAX TEMP: 79;
FREEPORT* CLOUDY 79 78 95 S3 29.84F VSB 1/2 HX 84
ROCHELLE* FOG 79 77 94 S8 29.85S VSB 1/4 HX 83
DE KALB* LGT RAIN 77 77 100 S8 29.87S VSB<1/4 TC 25
ILZ005-006-012>014-019>023-271300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 78 97 S5 29.85S FOG HX 83
6HR MIN TEMP: 79; 6HR MAX TEMP: 80;
CHICAGO-MIDWAY CLOUDY 79 77 94 S7 29.86S FOG HX 83
6HR MIN TEMP: 77; 6HR MAX TEMP: 79;
AURORA FOG 77 77 100 S7 29.86S VSB 1/4 TC 25
JOLIET* CLOUDY 79 79 100 S3 29.87S FOG HX 83
WAUKEGAN CLOUDY 80 79 96 S5 29.84R FOG HX 88
6HR MIN TEMP: 77; 6HR MAX TEMP: 80;
DUPAGE AIRPORT FOG 77 77 100 S7 29.85S VSB 1/2 TC 25
6HR MIN TEMP: 77; 6HR MAX TEMP: 79;
KANKAKEE* CLOUDY 75 73 95 S3 29.89S FOG TC 24
WHEELING CLOUDY 80 78 94 SW9 29.86S HX 88 TC 27
6HR MIN TEMP: 79; 6HR MAX TEMP: 81;
LANSING* FOG 76 76 100 S5 29.89R VSB 1 TC 24
NORTHERLY ISL* N/A 77 74 90 SE5 N/A TC 25
LMZ740>746-271300-
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 71 1011.0R 0
WAUKEGAN HARBOR 75 71 1011.8R 0
WILMETTE BUOY 77 170/ 6/ 10 1014.1F 0
CHICAGO BUOY 76 74 170/ 6 1010.5R 0
HARRISON CRIB 78 170/ 10/ 11 N/A
NORTHERLY ISL 76 150/ 3/ 9 N/A
CALUMET HARBOR 78 160/ 5/ 7 1011.6R
BURNS HARBOR 1012.5R
MICHIGAN CITY 77 170/ 9/ 11 1010.3R
MICH CITY BUOY 76 75 200/ 6/ 8 N/A 1
ST. JOSEPH BUOY 74 73 210/ 6/ 6 1013.1R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 79 75 87 S7 29.88R HX 83 TC 26
GALESBURG* SUNNY 77 77 100 CALM 29.86R TC 25
MACOMB* SUNNY 74 74 100 CALM 29.88R FOG TC 24
JACKSONVILLE* SUNNY 80 80 100 S9 29.90R HX 86 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-271300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 76 76 100 MISG 29.88S FOG TC 25
BLOOMINGTON CLOUDY 77 32 19 S14 29.90S HAZE TC 25
DECATUR MOSUNNY 77 71 82 SW14 29.92R TC 25
PEORIA CLOUDY 78 77 96 S7 29.87R FOG HX 81
6HR MIN TEMP: 77; 6HR MAX TEMP: 81;
LACON* SUNNY 78 76 93 S3 29.85R FOG HX 80
LINCOLN* PTSUNNY 76 76 100 S7 29.90R TC 25
SPRINGFIELD MOSUNNY 77 75 93 S12G23 29.90R TC 25
6HR MIN TEMP: 75; 6HR MAX TEMP: 81;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 76 75 97 SW7 29.91S TC 24
DANVILLE* MOSUNNY 74 74 98 CALM 29.91S TC 24
MATTOON PTSUNNY 76 71 85 SW8 29.90R TC 24
PARIS* PTSUNNY 71 71 98 CALM 29.92R FOG TC 22
ILZ079-100>102-271300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 70 78 S13 29.94F TC 25
CAHOKIA* MOSUNNY 78 67 68 S10G21 29.94S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 73 68 83 S6 29.96 TC 23
CAIRO* MOSUNNY 74 71 89 CALM 29.97F TC 23
EFFINGHAM* PTSUNNY 72 72 100 CALM 29.95R TC 22
MT. VERNON PTSUNNY 73 67 81 CALM 29.97R TC 23
CENTRALIA* MOSUNNY 73 69 86 CALM 29.97R TC 23
SALEM* PTSUNNY 75 70 84 MISG 29.95F TC 24
METROPOLIS* MOSUNNY 70 69 98 N7 29.98R TC 21
ILZ067-068-072-073-078-083-087-091-271300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* TSTM 72 67 84 N25G31 29.96R TC 22
HARRISBURG* MOSUNNY 70 69 98 W6 29.94R TC 21
ROBINSON* PTSUNNY 73 72 94 SW8 29.90R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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