905
ASUS43 KLOT 311308
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-311400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 69 65 86 SE9G17 29.88F TC 21
STERLING* CLOUDY 71 64 78 SE7 29.93F TC 22
ILZ003-004-008-010-011-017-018-311400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 62 76 SE8 29.97F TC 21
ROCHELLE* PTSUNNY 69 61 75 SE8 29.96F TC 21
DE KALB* PTSUNNY 69 64 83 SE9 29.99F TC 21
ILZ005-006-012>014-019>023-311400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 76 62 62 SE6 29.98F TC 24
CHICAGO-MIDWAY PTSUNNY 76 62 62 S8 29.99F TC 24
AURORA PTSUNNY 71 66 84 SE7 29.97F TC 22
JOLIET* MOSUNNY 74 66 76 S5 29.99F TC 23
WAUKEGAN PTSUNNY 72 65 78 SE5 29.99S TC 22
DUPAGE AIRPORT PTSUNNY 70 64 81 SE7 29.98S TC 21
KANKAKEE* SUNNY 70 66 86 SE5 30.02S TC 21
WHEELING PTSUNNY 74 64 71 S7 30.00F TC 23
ROMEOVILLE* SUNNY 72 68 88 SE6 29.99F TC 22
LANSING* SUNNY 72 64 78 SE3 30.01S TC 22
NORTHERLY ISL* N/A 77 65 66 E3 N/A TC 25
LMZ740>746-311400-
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 72 100/ 2/ 4 1015.1 0
WAUKEGAN HARBOR 71 69 160/ 4/ 6 1016.0 0
WILMETTE BUOY 73 150/ 6/ 6 1018.7R 0
CHICAGO BUOY 73 72 1014.7 0
HARRISON CRIB 73 170/ 8/ 9 N/A
NORTHERLY ISL 73 130/ 2/ 4 N/A
CALUMET HARBOR 72 180/ 3/ 4 1015.9
BURNS HARBOR 1016.6S
MICHIGAN CITY 73 150/ 7/ 9 1014.8F
MICH CITY BUOY 72 73 150/ 8/ 12 N/A 1
ST. JOSEPH BUOY 71 72 150/ 4/ 4 1017.4R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 70 69 97 S15G23 29.88F FOG TC 21
GALESBURG* RAIN 66 65 94 SE7 29.92F TC 19
MACOMB* LGT RAIN 68 68 100 CALM 29.90F TC 20
JACKSONVILLE* CLOUDY 71 64 79 S9 29.93S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-311400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 69 65 88 SE6 29.99F TC 21
BLOOMINGTON PTSUNNY 72 64 76 S10 29.99F TC 22
DECATUR PTSUNNY 72 63 73 S10 29.99S TC 22
PEORIA CLOUDY 71 62 73 SE6 29.94F TC 22
LACON* PTSUNNY 71 60 69 SE8 29.94F TC 22
LINCOLN* PTSUNNY 73 64 73 S8 29.96S TC 23
SPRINGFIELD PTSUNNY 73 63 70 S12 29.95S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 71 66 84 SE7 30.00F TC 22
DANVILLE* SUNNY 71 67 87 SE7 30.03F TC 22
MATTOON MOSUNNY 71 64 78 SE7 30.00S TC 22
PARIS* MOSUNNY 71 67 88 SE3 30.03S TC 22
ILZ079-100>102-311400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 73 66 78 SE6 29.95S TC 23
BELLEVILLE MOSUNNY 74 69 85 S9 29.94S TC 23
CAHOKIA* PTSUNNY 74 66 76 S8 29.94S TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 72 66 83 SE5 29.98F TC 22
CAIRO* MOSUNNY 74 69 86 CALM 29.99F TC 23
EFFINGHAM* MOSUNNY 72 67 85 SE6 30.01F TC 22
MT. VERNON MOSUNNY 72 64 76 S6 30.00F TC 22
CENTRALIA* PTSUNNY 71 65 82 CALM 29.99S TC 22
SALEM* MOSUNNY 73 65 78 MISG 29.99S TC 23
METROPOLIS* SUNNY 72 70 92 CALM 30.01S TC 22
ILZ067-068-072-073-078-083-087-091-311400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 72 66 81 SE3 30.02R TC 22
FAIRFIELD* MOSUNNY 72 65 79 SE5 30.01S TC 22
HARRISBURG* MOSUNNY 71 68 92 CALM 30.01F TC 22
ROBINSON* SUNNY 72 68 88 SE3 30.02S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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