823
ASUS43 KLOT 312106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-312200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 73 84 S12 29.74F HX 81 TC 26
STERLING* CLOUDY 69 69 100 VRB7 29.82F FOG TC 21
SAVANNA* RAIN 70 69 96 SE10 29.78F TC 21
ILZ003-004-008-010-011-017-018-312200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 71 66 84 SE10G21 29.86F TC 22
FREEPORT* CLOUDY 67 65 95 SE18G26 29.84F TC 19
ROCHELLE* CLOUDY 69 64 83 SE14G25 29.85F TC 21
DE KALB* CLOUDY 71 67 88 SE12G21 29.88F TC 22
ILZ005-006-012>014-019>023-312200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 72 66 81 S7 29.90F TC 22
CHICAGO-MIDWAY CLOUDY 76 63 64 S7 29.90F TC 24
AURORA CLOUDY 73 64 73 S17G26 29.88F TC 23
JOLIET* CLOUDY 74 62 67 S9 29.90S TC 23
WAUKEGAN LGT RAIN 72 67 84 S6 29.91S TC 22
DUPAGE AIRPORT CLOUDY 70 64 81 SE6 29.88F TC 21
KANKAKEE* CLOUDY 73 62 68 SE6 29.92F TC 23
WHEELING LGT RAIN 72 66 81 S6 29.92F TC 22
LANSING* CLOUDY 74 64 70 S14G20 29.92F TC 23
NORTHERLY ISL* N/A 74 64 71 SE9 N/A TC 23
LMZ740>746-312200-
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 70 160/ 4/ 6 1010.8 1/ 3
WAUKEGAN HARBOR 71 70 240/ 2/ 4 1013.6 1/ 3
WILMETTE BUOY 73 170/ 10/ 14 1015.6F 1/ 3
CHICAGO BUOY 75 72 1011.6 1/ 3
HARRISON CRIB 75 160/ 14/ 15 N/A
NORTHERLY ISL 74 140/ 6/ 12 N/A
CALUMET HARBOR 76 150/ 6/ 9 1012.9F
BURNS HARBOR 1013.5F
MICHIGAN CITY 79 140/ 8/ 10 1011.2F
MICH CITY BUOY 76 74 160/ 4/ 6 N/A 0
ST. JOSEPH BUOY 75 73 160/ 4/ 6 1014.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-312200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 80 73 79 S12G21 29.78F HX 84 TC 27
GALESBURG* CLOUDY 76 71 84 S12G18 29.79F TC 25
MACOMB* CLOUDY 77 75 93 S10 29.81F TC 25
JACKSONVILLE* CLOUDY 77 72 83 SE10 29.82F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-312200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 72 67 85 S13G18 29.88F TC 22
BLOOMINGTON CLOUDY 71 71 100 S18 29.88F FOG TC 22
DECATUR LGT RAIN 72 69 90 S12 29.89F TC 22
PEORIA CLOUDY 73 70 90 S15G23 29.83F TC 23
LACON* CLOUDY 72 67 83 S15 29.82F TC 22
LINCOLN* CLOUDY 73 73 100 S9G18 29.86F TC 23
SPRINGFIELD CLOUDY 74 70 87 SE14G24 29.84F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-312200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 71 69 93 SE9 29.92F TC 22
DANVILLE* CLOUDY 73 68 83 S6 29.95S TC 23
MATTOON CLOUDY 74 69 85 SE9 29.91F TC 23
PARIS* LGT RAIN 74 68 79 S5 29.94F TC 24
ILZ079-100>102-312200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 77 72 83 SE13 29.86F TC 25
BELLEVILLE PTSUNNY 78 74 88 S14 29.85F HX 80 TC 25
CAHOKIA* CLOUDY 78 72 81 S9 29.85S HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-312200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 73 72 94 SE8 29.90F TC 23
CAIRO* PTSUNNY 75 74 99 E7 29.91F TC 24
EFFINGHAM* LGT RAIN 74 73 95 SE8 29.92F TC 23
MT. VERNON CLOUDY 76 70 82 S5 29.92F TC 24
CENTRALIA* PTSUNNY 76 70 81 SE14 29.90F TC 25
SALEM* LGT RAIN 74 72 92 MISG 29.90F TC 23
METROPOLIS* LGT RAIN 73 72 98 E3 29.92F TC 23
ILZ067-068-072-073-078-083-087-091-312200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 78 67 68 S8 29.93F HX 80 TC 26
FAIRFIELD* CLOUDY 74 69 87 S5 29.93F TC 23
HARRISBURG* CLOUDY 75 72 92 S6 29.93F TC 24
ROBINSON* LGT RAIN 77 70 78 SW5 29.93S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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