454
ASUS43 KLOT 010301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT FRI JUL 31 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.
ILZ001-002-007-009-015-016-024-010400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 70 93 SE13G23 29.66F TC 22
STERLING* PTCLDY 70 70 100 SE5 29.74F TC 21
SAVANNA* CLOUDY 71 69 94 SE9 29.72S TC 22
ILZ003-004-008-010-011-017-018-010400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 67 64 90 E6 29.79S TC 19
FREEPORT* CLOUDY 67 65 94 E8 29.78F TC 20
ILZ005-006-012>014-019>023-010400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 64 81 E13 29.81F TC 21
CHICAGO-MIDWAY CLOUDY 72 64 76 E9 29.82F TC 22
AURORA CLOUDY 70 63 78 SE12 29.79F TC 21
JOLIET* CLOUDY 71 65 79 SE10 29.80F TC 22
WAUKEGAN LGT RAIN 69 63 81 SE10 29.85S TC 21
DUPAGE AIRPORT CLOUDY 71 62 73 SE10G18 29.80F TC 22
KANKAKEE* MOCLDY 68 66 92 SE7 29.82F TC 20
WHEELING RAIN 70 63 78 E9 29.84F TC 21
LANSING* CLOUDY 70 61 73 SE7 29.84F TC 21
NORTHERLY ISL* N/A 70 64 81 E12 N/A TC 21
LMZ740>746-010400-
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 71 100/ 17/ 25 1009.0F 2/ 4
WAUKEGAN HARBOR 71 69 110/ 14/ 19 1012.0R 3/ 4
WILMETTE BUOY 72 140/ 14/ 17 1013.6R 2/ 4
CHICAGO BUOY 72 71 1009.6F 2/ 3
HARRISON CRIB 72 120/ 16/ 18 N/A
NORTHERLY ISL 70 110/ 7/ 10 N/A
CALUMET HARBOR 72 110/ 8/ 11 1010.7
BURNS HARBOR 1011.9R
MICHIGAN CITY 69 80/ 7/ 9 1010.1F
MICH CITY BUOY 71 73 100/ 10/ 14 N/A 1
ST. JOSEPH BUOY 71 73 200/ 6/ 8 1013.2R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-010400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 74 73 97 S8 29.68F TC 23
MACOMB* CLOUDY 73 73 100 SE7 29.71F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-010400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 72 68 87 SE18G24 29.75F TC 22
DECATUR CLOUDY 73 68 84 S12 29.77F TC 23
PEORIA LGT RAIN 71 68 90 S12 29.73S TC 22
LINCOLN* CLOUDY 73 70 90 SE13 29.73F TC 23
SPRINGFIELD MOCLDY 72 70 93 S10G20 29.72F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 71 66 84 SE10 29.80F TC 22
MATTOON CLOUDY 72 66 81 SE9 29.79F TC 22
ILZ079-100>102-010400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE DRIZZLE 75 75 100 SW12 29.72F TC 24
CAHOKIA* CLOUDY 75 72 90 S8G20 29.74R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLOUDY 73 71 93 SE10 29.81F TC 23
MARION CLOUDY 73 73 98 S6 29.82F TC 23
MT. VERNON CLOUDY 74 70 87 S8 29.81F TC 23
CENTRALIA* CLOUDY 74 70 87 SE10G17 29.77F TC 23
SALEM* CLOUDY 75 70 86 MISG 29.78F TC 24
ILZ067-068-072-073-078-083-087-091-010400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 74 68 81 S6 29.82F TC 23
FAIRFIELD* CLOUDY 73 67 80 S7 29.81F TC 23
HARRISBURG* CLOUDY 73 72 95 S6 29.83F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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