150
ASUS43 KLOT 271310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-271400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 82 78 88 SE6 29.81F HX 91 TC 28
STERLING* N/A 81 81 100 CALM 29.83S FOG HX 91
SAVANNA* CLOUDY 79 78 98 S7 29.81F FOG HX 84
ILZ003-004-008-010-011-017-018-271400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 79 79 100 S9 29.83F FOG HX 84
FREEPORT* CLOUDY 80 79 95 S7 29.83F HX 89 TC 27
ROCHELLE* FOG 79 77 94 S8 29.85S VSB 1/4 HX 83
DE KALB* DRZL/FOG 78 78 100 S10 29.86F VSB 1/4 HX 80
PERU* CLOUDY 79 79 100 S7 29.85S FOG HX 83
ILZ005-006-012>014-019>023-271400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 80 77 90 S8 29.84F FOG HX 87
CHICAGO-MIDWAY CLOUDY 79 77 94 S12 29.85F FOG HX 83
AURORA FOG 77 77 100 S7 29.85F VSB 1/2 TC 25
JOLIET* CLOUDY 80 80 99 S7 29.86F FOG HX 90
WAUKEGAN CLOUDY 75 75 100 E9 29.84S FOG TC 24
DUPAGE AIRPORT CLOUDY 78 78 100 S8 29.85S FOG HX 81
KANKAKEE* CLOUDY 77 75 94 SW6 29.88F FOG TC 25
WHEELING CLOUDY 80 78 94 S10 29.85F FOG HX 88
LANSING* CLOUDY 76 76 98 S8 29.88F FOG TC 25
NORTHERLY ISL* N/A 78 75 90 S6 N/A HX 81 TC 26
LMZ740>746-271400-
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 1010.8 1/ 2
WAUKEGAN HARBOR 75 71 1011.5 1
WILMETTE BUOY 76 160/ 10/ 12 1014.2F 1/ 2
CHICAGO BUOY 77 74 190/ 6 1009.9 1
HARRISON CRIB 77 170/ 11/ 12 N/A
NORTHERLY ISL 78 190/ 8 N/A
CALUMET HARBOR 78 170/ 6/ 11 1011.4F
BURNS HARBOR 1011.9F
MICHIGAN CITY 76 180/ 9/ 11 1009.7F
MICH CITY BUOY 76 75 190/ 8/ 10 N/A 1
ST. JOSEPH BUOY 74 72 130/ 4/ 6 1012.6F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 83 76 79 S8 29.87F HX 91 TC 28
GALESBURG* SUNNY 80 80 100 S6 29.86S HX 90 TC 27
MACOMB* SUNNY 80 80 100 CALM 29.88S HX 90 TC 27
JACKSONVILLE* MOSUNNY 81 81 100 S10G17 29.90S HX 92 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-271400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 79 100 MISG 29.87F FOG HX 85
BLOOMINGTON CLOUDY 77 77 100 S16 29.91R TC 25
DECATUR PTSUNNY 76 70 82 SW15 29.92S TC 24
PEORIA PTSUNNY 79 78 97 S10 29.87S HX 83 TC 26
LACON* MOSUNNY 80 77 91 S8 29.85S FOG HX 84
LINCOLN* MOSUNNY 79 79 100 S8 29.90S HX 84 TC 26
SPRINGFIELD SUNNY 79 72 79 S15G25 29.91R HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 76 73 91 SW9 29.91S TC 24
DANVILLE* MOSUNNY 76 76 98 SW7 29.90F TC 25
MATTOON PTSUNNY 76 72 87 SW8 29.90S TC 24
PARIS* PTSUNNY 74 74 98 W3 29.91F TC 24
ILZ079-100>102-271400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 70 73 S10 29.95R HX 81 TC 26
BELLEVILLE MOSUNNY 79 71 75 S9 29.94R HX 82 TC 26
CAHOKIA* MOSUNNY 79 68 69 S6 29.94S HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 75 68 78 SW8 29.96S TC 24
CAIRO* CLOUDY 78 72 82 CALM 29.97S TC 25
EFFINGHAM* PTSUNNY 74 74 99 SW3 29.94F TC 23
MT. VERNON MOSUNNY 75 67 76 SW7 29.95F TC 24
CENTRALIA* MOSUNNY 75 67 78 CALM 29.95F TC 24
SALEM* MOSUNNY 75 70 85 MISG 29.95S TC 24
METROPOLIS* MOSUNNY 72 71 98 SW3 29.94F TC 22
ILZ067-068-072-073-078-083-087-091-271400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* PTSUNNY 72 66 81 SW6 29.90R TC 22
HARRISBURG* MOSUNNY 73 69 89 W8 29.94F TC 23
ROBINSON* MOSUNNY 77 73 88 VRB2 29.89F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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