701
ASUS43 KLOT 271003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-271100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 77 76 96 CALM 29.80S TC 25
STERLING* CLOUDY 80 80 100 VRB5 29.83S HX 89 TC 27
SAVANNA* FOG 76 76 98 CALM 29.81S VSB 1/2 TC 25
ILZ003-004-008-010-011-017-018-271100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FOG 78 78 100 S6 29.83F VSB 1/4 HX 81
FREEPORT* CLOUDY 79 78 95 S6 29.84S VSB 1/2 HX 84
ILZ005-006-012>014-019>023-271100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 80 77 90 SW6 29.83S FOG HX 87
CHICAGO-MIDWAY CLOUDY 78 77 96 SW9 29.84R FOG HX 81
AURORA FOG N/A N/A N/A S3 29.84S VSB 1/4
JOLIET* CLOUDY 78 78 100 CALM 29.85R FOG HX 80
WAUKEGAN CLOUDY 79 78 97 SW5 29.83F HX 83 TC 26
DUPAGE AIRPORT FOG 78 78 100 SW3 29.84S VSB 1/2 HX 81
KANKAKEE* PTCLDY 74 73 95 S5 29.87S FOG TC 24
WHEELING CLOUDY 80 78 94 SW5 29.85R HX 88 TC 27
LANSING* CLOUDY 76 76 100 SW5 29.86R FOG TC 24
NORTHERLY ISL* N/A 78 75 90 W6 N/A HX 81 TC 26
LMZ740>746-271100-
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 70 1010.7R 0
WAUKEGAN HARBOR 78 72 1011.6R 0
WILMETTE BUOY 78 220/ 2/ 4 1013.9R 1
CHICAGO BUOY 78 74 240/ 8 1009.7R 1
HARRISON CRIB 80 250/ 9/ 11 N/A
NORTHERLY ISL 78 250/ 6/ 9 N/A
CALUMET HARBOR 78 210/ 6/ 9 1010.8R
BURNS HARBOR 1011.9R
MICHIGAN CITY 76 230/ 5/ 5 1009.6R
MICH CITY BUOY 76 75 220/ 6/ 8 N/A 1
ST. JOSEPH BUOY 74 73 150/ 4/ 4 1012.0R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-271100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 76 96 SW5 29.85R TC 25
MACOMB* CLEAR 76 76 100 CALM 29.85S FOG TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-271100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 77 77 100 S8 29.89R FOG TC 25
DECATUR PTCLDY 78 73 84 SW13 29.89R HX 81 TC 26
PEORIA CLEAR 78 77 96 S5 29.85R FOG HX 81
LINCOLN* PTCLDY 78 78 100 S5 29.87R FOG HX 80
SPRINGFIELD CLEAR 75 74 96 S3 29.87R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-271100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 75 75 100 S5 29.89R FOG TC 24
DANVILLE* CLOUDY 72 72 98 CALM 29.90S VSB<1/4 TC 22
MATTOON HVY RAIN 75 73 93 SW10 29.90R FOG TC 24
ILZ079-100>102-271100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 81 77 88 SE10 29.90R HX 88 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 74 68 81 E7 29.98F TC 24
EFFINGHAM* LGT RAIN 74 70 87 E12G26 29.94R TC 23
MARION CLEAR 72 67 82 SE7 29.98F TC 22
MT. VERNON CLOUDY 74 65 73 E14G25 29.99R TC 23
CENTRALIA* CLOUDY 74 68 81 SE12 29.98R TC 24
SALEM* CLOUDY 75 70 83 MISG 29.96R TC 24
ILZ067-068-072-073-078-083-087-091-271100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FAIRFIELD* TSTM 70 63 78 W7 29.96R TC 21
HARRISBURG* PTCLDY 69 69 99 S5 29.95F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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