375
ASUS43 KLOT 262103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-262200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 92 81 70 W3 29.85F HX 112 TC 33
STERLING* PTSUNNY 87 82 85 VRB3 29.88S HX 106 TC 31
SAVANNA* PTSUNNY 88 79 74 W3 29.87R HX 103 TC 31
ILZ003-004-008-010-011-017-018-262200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 89 78 70 S6 29.87F HX 103 TC 32
FREEPORT* PTSUNNY 88 82 81 SW7 29.89S HX 108 TC 31
ILZ005-006-012>014-019>023-262200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 91 71 51 SW5 29.86F HX 97 TC 33
CHICAGO-MIDWAY PTSUNNY 90 71 53 W7 29.86F HX 96 TC 32
AURORA PTSUNNY 88 77 69 SW7 29.88S HX 100 TC 31
JOLIET* PTSUNNY 89 76 66 S6 29.89R HX 100 TC 32
WAUKEGAN MOSUNNY 87 73 62 SE7 29.86F HX 94 TC 31
DUPAGE AIRPORT PTSUNNY 87 74 64 S5 29.87F HX 95 TC 31
KANKAKEE* PTSUNNY 85 75 70 SW6 29.90F HX 94 TC 30
WHEELING MOSUNNY 91 69 48 MISG 29.88F HX 96 TC 33
LANSING* MOSUNNY 86 70 58 S3 29.89F HX 91 TC 30
NORTHERLY ISL* N/A 82 70 66 E3 N/A HX 86 TC 28
LMZ740>746-262200-
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 73 1011.8F 1
WAUKEGAN HARBOR 77 74 1012.6F 1
WILMETTE BUOY 78 130/ 8/ 10 1015.2F 1
CHICAGO BUOY 79 76 120/ 8 1010.7F 1/ 3
HARRISON CRIB 81 130/ 15/ 15 N/A
NORTHERLY ISL 82 100/ 4/ 10 N/A
CALUMET HARBOR 87 190/ 5/ 7 1011.7
BURNS HARBOR 1012.5F
MICHIGAN CITY 85 20/ 4/ 4 1010.2F
MICH CITY BUOY 81 75 60/ 4/ 4 N/A 0
ST. JOSEPH BUOY 79 73 CALM / 2 1013.4F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-262200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 97 80 58 SW12 29.88F HX 117 TC 36
MACOMB* MOSUNNY 92 86 82 CALM 29.90S HX 124 TC 34
ILZ028>032-037-038-041>044-048-051>054-059>061-262200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 83 81 94 S8 29.91F HX 97 TC 28
DECATUR PTSUNNY 83 79 88 SE8 29.90F HX 94 TC 28
PEORIA CLOUDY 87 81 82 SW5 29.88S HX 104 TC 31
LINCOLN* MOSUNNY 86 83 89 SE5 29.88F HX 105 TC 30
SPRINGFIELD MOSUNNY 90 83 79 CALM 29.87F HX 113 TC 32
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-262200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 80 77 90 SE6 29.92F FOG HX 87
DANVILLE* CLOUDY 85 75 74 SW6 29.91F HX 93 TC 29
MATTOON CLOUDY 81 77 88 SE5 29.91F FOG HX 88
ILZ079-100>102-262200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOSUNNY 97 79 56 W8 29.87S HX 115 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-262200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 95 81 63 SW10 29.89F HX 115 TC 35
CAIRO* SUNNY 94 82 66 CALM 29.91F HX 116 TC 35
EFFINGHAM* MOSUNNY 84 82 94 NE7 29.91F FOG HX 102
MARION MOSUNNY 95 81 63 SW9 29.89F HX 115 TC 35
MT. VERNON PTSUNNY 96 81 61 W9 29.89F HX 118 TC 36
SALEM* MOSUNNY 95 83 69 MISG 29.89S HX 121 TC 35
ILZ067-068-072-073-078-083-087-091-262200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* MOSUNNY 93 82 70 W8 29.89S HX 117 TC 34
FAIRFIELD* PTSUNNY 93 79 64 W5 29.89S HX 110 TC 34
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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