806
ASUS43 KLOT 261701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-261800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 84 79 85 E3 29.90S HX 96 TC 29
STERLING* MOSUNNY 87 80 79 S6 29.92S HX 103 TC 31
SAVANNA* CLOUDY 83 76 79 CALM 29.91S HX 92 TC 29
ILZ003-004-008-010-011-017-018-261800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 85 76 74 S8 29.93R HX 94 TC 29
FREEPORT* CLOUDY 83 82 95 CALM 29.94F HX 98 TC 28
ILZ005-006-012>014-019>023-261800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 87 71 58 S7 29.90F HX 93 TC 31
CHICAGO-MIDWAY PTSUNNY 86 69 56 S6 29.90F HX 90 TC 30
AURORA MOSUNNY 86 73 65 S7 29.92S HX 93 TC 30
JOLIET* SUNNY 86 73 66 SW8 29.92R HX 93 TC 30
WAUKEGAN PTSUNNY 86 72 62 VRB6 29.89F HX 92 TC 30
DUPAGE AIRPORT SUNNY 85 72 65 SW8 29.91S HX 91 TC 29
KANKAKEE* MOSUNNY 84 71 65 S8 29.93F HX 88 TC 29
WHEELING SUNNY 85 71 63 W5 29.92F HX 90 TC 29
LANSING* PTSUNNY 83 69 62 SW5 29.93S HX 87 TC 29
NORTHERLY ISL* N/A 86 70 58 E6 N/A HX 90 TC 30
LMZ740>746-261800-
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 70 1012.7F 0
WAUKEGAN HARBOR 74 72 1013.3F 1
WILMETTE BUOY 76 130/ 6/ 8 1016.6S 0
CHICAGO BUOY 78 74 140/ 6 1011.8F 1
HARRISON CRIB 82 120/ 7/ 7 N/A
NORTHERLY ISL 83 240/ 6/ 11 N/A
CALUMET HARBOR 83 200/ 5/ 7 1013.2
BURNS HARBOR 1013.9S
MICHIGAN CITY 78 270/ 4/ 5 1011.6F
MICH CITY BUOY 78 74 260/ 2/ 4 N/A 1
ST. JOSEPH BUOY 74 72 220/ 4/ 4 1014.2F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-261800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 91 81 72 W7 29.93R HX 111 TC 33
MACOMB* PTSUNNY 86 84 95 CALM 29.94R HX 108 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-261800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 80 79 96 S10 29.95F HX 88 TC 27
DECATUR CLOUDY 81 77 88 S9 29.93F HX 88 TC 27
PEORIA MOSUNNY 84 77 79 CALM 29.92R HX 94 TC 29
LINCOLN* MOSUNNY 84 80 86 S6 29.92S HX 97 TC 29
SPRINGFIELD MOSUNNY 86 79 79 VRB3 29.92S HX 99 TC 30
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-261800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 79 75 87 SE9 29.95F HX 83 TC 26
DANVILLE* CLOUDY 81 72 74 S6 29.97F HX 85 TC 27
MATTOON CLOUDY 78 74 87 SE9 29.97R FOG HX 81
ILZ079-100>102-261800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOSUNNY 93 81 67 CALM 29.93F HX 113 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 91 81 70 W7 29.94F HX 110 TC 33
CAIRO* MOSUNNY 89 84 84 CALM 29.96F HX 114 TC 32
EFFINGHAM* CLOUDY 79 79 98 SE6 29.99R FOG HX 85
MT. VERNON PTSUNNY 90 81 74 CALM 29.96S HX 109 TC 32
CENTRALIA* PTSUNNY 90 81 75 CALM 29.96S HX 110 TC 32
SALEM* PTSUNNY 89 83 81 MISG 29.96S HX 111 TC 32
ILZ067-068-072-073-078-083-087-091-261800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* CLOUDY 82 81 94 SE7 29.96F FOG HX 95
FAIRFIELD* CLOUDY 83 78 84 CALM 29.97R HX 92 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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