406
ASUS43 KLOT 262310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT SUN JUL 26 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.
ILZ001-002-007-009-015-016-024-270000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 90 81 74 SW6 29.84S HX 109 TC 32
STERLING* PTSUNNY 88 83 85 SE5 29.86F HX 109 TC 31
SAVANNA* PTSUNNY 90 80 73 S3 29.85F HX 107 TC 32
ILZ003-004-008-010-011-017-018-270000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 89 79 72 SW7 29.86F HX 104 TC 32
FREEPORT* MOSUNNY 88 82 83 SW5 29.88F HX 108 TC 31
DE KALB* CLOUDY 85 79 82 SW5 29.89S HX 99 TC 30
ILZ005-006-012>014-019>023-270000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 91 72 53 SW6 29.84F HX 98 TC 33
CHICAGO-MIDWAY PTSUNNY 90 72 55 W6 29.85F HX 97 TC 32
AURORA MOSUNNY 88 77 69 S6 29.86S HX 100 TC 31
JOLIET* PTSUNNY 89 78 70 S5 29.87F HX 102 TC 31
WAUKEGAN MOSUNNY 84 71 65 SE8 29.85F HX 89 TC 29
DUPAGE AIRPORT PTSUNNY 87 76 69 SW7 29.86S HX 97 TC 31
KANKAKEE* PTSUNNY 86 76 73 S5 29.89S HX 95 TC 30
WHEELING PTSUNNY 89 72 56 NW7 29.86F HX 96 TC 32
LANSING* MOSUNNY 86 73 64 S7 29.88S HX 92 TC 30
NORTHERLY ISL* N/A 80 72 76 NE1 N/A HX 84 TC 27
LMZ740>746-270000-
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 76 73 1011.4 1
WAUKEGAN HARBOR 77 74 1012.2 1
WILMETTE BUOY 78 140/ 8/ 10 1014.7F 1
CHICAGO BUOY 79 75 130/ 8 1010.1 1/ 3
HARRISON CRIB 81 120/ 13/ 13 N/A
NORTHERLY ISL 82 120/ 7/ 10 N/A
CALUMET HARBOR 86 250/ 2/ 7 1011.4
BURNS HARBOR 1012.2S
MICHIGAN CITY 81 50/ 5/ 6 1009.7S
MICH CITY BUOY 80 77 90/ 4/ 6 N/A 0
ST. JOSEPH BUOY 81 76 110/ 2/ 2 1012.5F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-270000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 95 81 63 SW9 29.86F HX 116 TC 35
MACOMB* PTSUNNY 93 87 83 CALM 29.88S HX 127 TC 34
ILZ028>032-037-038-041>044-048-051>054-059>061-270000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 85 82 91 S6 29.89F HX 102 TC 29
DECATUR PTSUNNY 85 80 85 SE8 29.88S HAZE HX 99
PEORIA MOSUNNY 89 81 77 CALM 29.85F HX 108 TC 32
LINCOLN* PTSUNNY 89 83 85 E5 29.86S HX 111 TC 31
SPRINGFIELD PTSUNNY 91 83 77 W6 29.85F HX 114 TC 33
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 81 78 91 S3 29.89F FOG HX 89
DANVILLE* CLOUDY 82 76 83 SW5 29.90S HX 88 TC 28
MATTOON PTSUNNY 83 78 85 E5 29.87F HX 93 TC 28
ILZ079-100>102-270000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 95 79 59 W8 29.87F HX 112 TC 35
CAHOKIA* SUNNY 96 80 59 W5 29.85F HX 116 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 93 81 66 SW6 29.87F HX 113 TC 34
CAIRO* SUNNY 93 85 76 CALM 29.88F HX 123 TC 34
EFFINGHAM* PTSUNNY 83 82 99 CALM 29.90F FOG HX 98
MARION MOSUNNY 93 81 66 SW9 29.87F HX 113 TC 34
MT. VERNON MOSUNNY 94 80 64 VRB6 29.89R HX 113 TC 34
SALEM* PTSUNNY 83 71 65 MISG 29.91R HX 88 TC 29
ILZ067-068-072-073-078-083-087-091-270000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* RAIN 81 72 74 W28G35 29.89R HX 84 TC 27
FAIRFIELD* MOSUNNY 89 80 75 CALM 29.87S HX 105 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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