623
ASUS43 KLOT 311412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM 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.
ILZ001-002-007-009-015-016-024-311500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 68 66 93 SE18 29.84F FOG TC 20
STERLING* CLOUDY 72 64 76 SE8 29.92F TC 22
SAVANNA* CLOUDY 69 63 80 SE9 29.90F TC 21
ILZ003-004-008-010-011-017-018-311500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 63 75 SE6 29.94F TC 22
FREEPORT* CLOUDY 70 66 87 SE8 29.94F TC 21
ROCHELLE* PTSUNNY 71 61 69 SE7 29.94F TC 22
DE KALB* PTSUNNY 72 65 79 SE12 29.97F TC 22
ILZ005-006-012>014-019>023-311500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 62 59 SE9 29.97F TC 25
CHICAGO-MIDWAY PTSUNNY 79 63 57 S10 29.97F HX 80 TC 26
AURORA PTSUNNY 74 65 73 S10 29.95F TC 23
JOLIET* MOSUNNY 76 66 69 SE7 29.97F TC 25
WAUKEGAN PTSUNNY 74 65 73 SE8 29.97F TC 23
DUPAGE AIRPORT PTSUNNY 74 65 73 SE8 29.96F TC 23
KANKAKEE* MOSUNNY 74 65 74 S7 30.00F TC 23
WHEELING PTSUNNY 76 63 64 S12 29.99F TC 24
LANSING* SUNNY 75 64 67 S6 29.99F TC 24
NORTHERLY ISL* N/A 77 66 68 E7 N/A TC 25
LMZ740>746-311500-
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 71 130/ 4/ 4 1014.9 0
WAUKEGAN HARBOR 72 70 140/ 6/ 8 1015.6 0
WILMETTE BUOY 73 150/ 6/ 10 1018.6F 1
CHICAGO BUOY 74 72 1014.1 1
HARRISON CRIB 74 150/ 7/ 9 N/A
NORTHERLY ISL 76 110/ 3/ 4 N/A
CALUMET HARBOR 76 160/ 5/ 8 1015.6
BURNS HARBOR 1016.3F
MICHIGAN CITY 76 170/ 10/ 12 1014.4F
MICH CITY BUOY 74 73 160/ 6/ 10 N/A 1
ST. JOSEPH BUOY 72 72 160/ 6/ 8 1016.8F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 71 70 96 S15 29.86F TC 22
GALESBURG* RAIN 67 67 100 SE8G16 29.88F TC 20
MACOMB* LGT RAIN 69 69 98 CALM 29.90S TC 21
JACKSONVILLE* CLOUDY 69 66 90 S12G17 29.92S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-311500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 73 66 77 SE8 29.97F TC 23
BLOOMINGTON PTSUNNY 73 65 75 SE13 29.98F TC 23
DECATUR PTSUNNY 75 65 70 S12 29.97F TC 24
PEORIA LGT RAIN 73 63 70 S10 29.93F TC 23
LACON* CLOUDY 72 61 68 S8 29.93S TC 22
LINCOLN* CLOUDY 75 65 72 S7 29.95F TC 24
SPRINGFIELD CLOUDY 73 64 73 S10G18 29.94F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 74 66 76 SE10 30.00S TC 23
DANVILLE* SUNNY 76 67 74 SE6 30.02F TC 25
MATTOON MOSUNNY 75 65 70 SE7 30.00S TC 24
PARIS* SUNNY 75 67 76 S6 30.02F TC 24
ILZ079-100>102-311500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 72 66 83 SW8 29.95S TC 22
BELLEVILLE CLOUDY 76 70 82 SW9 29.94S TC 24
CAHOKIA* TSTM 71 68 90 W6 29.98R FOG TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 77 66 69 S9 29.98S TC 25
CAIRO* MOSUNNY 78 68 71 S8 29.99S HX 80 TC 26
EFFINGHAM* MOSUNNY 75 68 77 SE7 30.01F TC 24
MT. VERNON MOSUNNY 76 65 68 S8 29.99F TC 24
CENTRALIA* MOSUNNY 78 65 62 SE7 29.98S HX 80 TC 26
SALEM* PTSUNNY 76 66 71 MISG 29.99S TC 24
METROPOLIS* MOSUNNY 77 65 66 E3 30.00F TC 25
ILZ067-068-072-073-078-083-087-091-311500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 76 66 71 S8 30.01F TC 24
FAIRFIELD* PTSUNNY 74 65 73 SE3 30.00S TC 24
HARRISBURG* MOSUNNY 75 68 79 S5 30.01S TC 24
ROBINSON* SUNNY 75 68 78 S6 30.01S 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