225
ASUS43 KLOT 311508
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-311600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 68 67 96 SE12 29.84S FOG TC 20
STERLING* CLOUDY 72 64 76 SE7 29.90F TC 22
SAVANNA* CLOUDY 68 64 87 SE8 29.88S TC 20
ILZ003-004-008-010-011-017-018-311600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 63 70 SE9 29.93F TC 23
FREEPORT* CLOUDY 71 66 83 SE8 29.93F TC 22
ROCHELLE* PTSUNNY 73 61 67 SE10 29.93F TC 23
DE KALB* CLOUDY 74 66 75 SE12 29.96S TC 23
ILZ005-006-012>014-019>023-311600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 63 55 SE14 29.95F HX 81 TC 27
CHICAGO-MIDWAY PTSUNNY 80 63 55 S14 29.96F HX 81 TC 27
AURORA CLOUDY 76 66 71 SE9 29.95S TC 24
JOLIET* PTSUNNY 78 67 69 SE6 29.96F HX 80 TC 26
WAUKEGAN PTSUNNY 74 66 76 SE7 29.96F TC 23
DUPAGE AIRPORT PTSUNNY 76 64 66 S12 29.95F TC 24
KANKAKEE* PTSUNNY 77 65 66 S7 29.99S TC 25
WHEELING PTSUNNY 79 64 60 S9 29.96F HX 81 TC 26
LANSING* PTSUNNY 78 65 62 S9 29.98F HX 80 TC 26
NORTHERLY ISL* N/A 79 67 66 E6 N/A HX 81 TC 26
LMZ740>746-311600-
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 71 120/ 6/ 6 1014.4F 0
WAUKEGAN HARBOR 72 70 140/ 8/ 10 1015.2F 0
WILMETTE BUOY 73 150/ 8/ 10 1018.1F 1
CHICAGO BUOY 74 72 1013.7F 1
HARRISON CRIB 75 130/ 9/ 11 N/A
NORTHERLY ISL 77 120/ 6/ 6 N/A
CALUMET HARBOR 78 160/ 8/ 13 1014.9
BURNS HARBOR 1015.9F
MICHIGAN CITY 78 180/ 9/ 13 1013.9F
MICH CITY BUOY 76 73 160/ 8/ 12 N/A 1
ST. JOSEPH BUOY 74 72 160/ 4/ 4 1016.5F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 71 93 S12G22 29.86S TC 23
GALESBURG* CLOUDY 67 66 96 SE9G17 29.88R TC 20
MACOMB* CLOUDY 70 70 100 S6G16 29.89F TC 21
JACKSONVILLE* CLOUDY 69 69 100 S10G20 29.91S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-311600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 66 72 S9 29.95F TC 24
BLOOMINGTON CLOUDY 75 65 70 S15 29.96F TC 24
DECATUR PTSUNNY 75 64 68 S10 29.96F TC 24
PEORIA LGT RAIN 70 66 87 S13 29.91F FOG TC 21
LACON* CLOUDY 73 62 67 S8 29.90F TC 23
LINCOLN* CLOUDY 75 65 73 S8 29.94F TC 24
SPRINGFIELD CLOUDY 71 66 84 S13 29.93F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 77 65 66 SE13 29.98F TC 25
DANVILLE* PTSUNNY 79 65 61 S8 30.00F HX 81 TC 26
MATTOON PTSUNNY 78 65 63 S10G17 29.98F HX 80 TC 26
PARIS* MOSUNNY 78 66 68 SE6 30.00F TC 25
ILZ079-100>102-311600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON RAIN 70 66 88 S8 29.98S TC 21
BELLEVILLE RAIN 72 71 97 W7 29.98R FOG TC 22
CAHOKIA* HVY RAIN 69 69 100 VRB3 29.99R VSB 1/2 TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 66 65 S9 29.97F HX 81 TC 26
CAIRO* PTSUNNY 81 70 71 S7 29.99S HX 84 TC 27
EFFINGHAM* PTSUNNY 76 67 72 SE10 30.00S TC 25
MT. VERNON PTSUNNY 82 65 56 S10 29.98F HX 84 TC 28
CENTRALIA* PTSUNNY 79 64 60 CALM 29.98S HX 80 TC 26
SALEM* PTSUNNY 78 66 67 MISG 29.98S HX 80 TC 26
METROPOLIS* MOSUNNY 80 65 60 E3 30.00S HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-311600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 80 66 62 S9 30.00F HX 82 TC 27
FAIRFIELD* MOSUNNY 77 66 68 SE9 29.99F TC 25
HARRISBURG* MOSUNNY 80 68 67 SE7 29.99F HX 82 TC 27
ROBINSON* MOSUNNY 79 68 69 SE9 29.99F HX 81 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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