369
ASUS43 KLOT 312301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-010000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 76 72 87 SE12 29.71F TC 24
STERLING* MOSUNNY 70 70 100 VRB7 29.78F TC 21
SAVANNA* CLOUDY 71 69 95 SE12G17 29.74F TC 22
ILZ003-004-008-010-011-017-018-010000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 68 65 90 SE12G20 29.81F TC 20
FREEPORT* CLOUDY 68 67 95 SE14G21 29.80F TC 20
DE KALB* CLOUDY 68 63 82 SE21G28 29.84F TC 20
ILZ005-006-012>014-019>023-010000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 61 65 SE10 29.86F TC 23
CHICAGO-MIDWAY CLOUDY 75 59 57 S10 29.87F TC 24
AURORA CLOUDY 71 61 70 SE15G24 29.84F TC 22
JOLIET* CLOUDY 74 62 67 SE9 29.86F TC 23
WAUKEGAN LGT RAIN 69 67 93 E5 29.87F TC 21
DUPAGE AIRPORT CLOUDY 71 60 68 SE20G33 29.85F TC 22
KANKAKEE* CLOUDY 72 64 75 SE9 29.88F TC 22
WHEELING CLOUDY 71 63 75 SE7 29.88F TC 22
LANSING* CLOUDY 73 58 59 S10 29.89F TC 23
NORTHERLY ISL* N/A 72 59 63 SE9 N/A TC 22
LMZ740>746-010000-
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 69 130/ 8/ 10 1009.9F 1/ 3
WAUKEGAN HARBOR 71 70 130/ 10/ 14 1012.7F 1/ 3
WILMETTE BUOY 72 180/ 12/ 16 1015.0F 1/ 3
CHICAGO BUOY 73 72 1010.9F 2/ 3
HARRISON CRIB 73 160/ 12/ 15 N/A
NORTHERLY ISL 71 170/ 5/ 16 N/A
CALUMET HARBOR 74 150/ 9/ 14 1012.1
BURNS HARBOR 1012.9F
MICHIGAN CITY 75 190/ 10/ 14 1011.1R
MICH CITY BUOY 75 74 210/ 12/ 16 N/A 1
ST. JOSEPH BUOY 76 73 140/ 2/ 4 1013.3F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-010000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 79 74 84 S10 29.72F HX 82 TC 26
GALESBURG* CLOUDY 75 71 86 SE8G18 29.75F TC 24
MACOMB* CLOUDY 77 75 93 S15 29.75F TC 25
JACKSONVILLE* CLOUDY 75 70 86 S8 29.77F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-010000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 74 70 87 S20 29.83F TC 23
DECATUR CLOUDY 75 68 78 S13 29.84F TC 24
PEORIA CLOUDY 74 69 85 S13G22 29.78F TC 23
LINCOLN* CLOUDY 76 72 89 S15G21 29.81F TC 24
SPRINGFIELD CLOUDY 74 69 85 S12G22 29.80F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 74 68 81 SE15G23 29.87F TC 23
DANVILLE* CLOUDY 71 64 78 SE12 29.89F TC 22
MATTOON CLOUDY 74 67 78 SE9 29.87F TC 23
ILZ079-100>102-010000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 75 72 88 SE13 29.81F TC 24
CAHOKIA* LGT RAIN 75 72 90 S10 29.80F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 77 72 83 SE10 29.85F TC 25
CAIRO* CLOUDY 77 75 93 SE7 29.86F TC 25
EFFINGHAM* PTSUNNY 74 73 95 SE6 29.89F TC 24
MT. VERNON CLOUDY 77 69 76 SE8 29.87F TC 25
CENTRALIA* PTSUNNY 78 69 73 SE13 29.85F HX 81 TC 26
SALEM* CLOUDY 78 70 77 MISG 29.85F TC 25
ILZ067-068-072-073-078-083-087-091-010000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 77 67 71 S5 29.90F TC 25
FAIRFIELD* MOSUNNY 77 69 76 SE12 29.88F TC 25
HARRISBURG* CLOUDY 76 71 85 SE8 29.89F TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page