276
ASUS43 KLOT 011012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SAT AUG 01 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.
ILZ001-002-007-009-015-016-024-011100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 68 96 NE10 29.63R FOG TC 21
STERLING* PTCLDY 67 67 100 E18 29.68S TC 19
SAVANNA* DRIZZLE 66 65 95 NE14 29.70R TC 19
ILZ003-004-008-010-011-017-018-011100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD RAIN 66 65 96 NE12G23 29.75R FOG TC 19
FREEPORT* CLOUDY 66 64 96 NE17G24 29.75R TC 19
ROCHELLE* LGT RAIN 65 64 94 E14G23 29.72S TC 19
DE KALB* CLOUDY 65 65 100 E13G18 29.74S TC 18
PERU* DRIZZLE 70 68 94 E12 29.66S TC 21
ILZ005-006-012>014-019>023-011100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 70 68 93 E16G23 29.73F FOG TC 21
CHICAGO-MIDWAY LGT RAIN 69 68 96 E13 29.72F TC 21
AURORA RAIN 66 65 96 E14 29.72R FOG TC 19
JOLIET* HVY RAIN 69 68 99 N6 29.72R TC 20
WAUKEGAN RAIN 67 67 100 NE14G22 29.76F TC 19
DUPAGE AIRPORT TSTM 67 66 97 NE14G28 29.71F VSB 1 TC 19
KANKAKEE* RAIN 67 66 95 E14G21 29.69F TC 20
WHEELING HVY RAIN 69 67 93 NE14G22 29.76F TC 21
ROMEOVILLE* LGT RAIN 68 68 100 E7G14 29.73R FOG TC 20
LANSING* LGT RAIN 67 65 94 E8 29.73F TC 20
NORTHERLY ISL* N/A 70 67 90 NE20 N/A TC 21
LMZ740>746-011100-
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 68 20/ 19/ 25 1008.2 5/ 5
WAUKEGAN HARBOR 69 68 360/ 19/ 27 1009.2 4/ 5
WILMETTE BUOY 71 70/ 16/ 21 1009.8F 5/ 5
CHICAGO BUOY 71 70 1006.1 4/ 4
HARRISON CRIB 71 80/ 21/ 23 N/A
NORTHERLY ISL 69 70/ 14/ 16 N/A
CALUMET HARBOR 70 70/ 15/ 17 1007.3F
BURNS HARBOR 1008.1F
MICHIGAN CITY 70 70/ 8/ 9 1006.1F
MICH CITY BUOY 71 73 80/ 10/ 14 N/A 1/ 3
ST. JOSEPH BUOY 71 71 80/ 12/ 16 1008.7F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-011100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 64 97 W3 29.64F TC 18
GALESBURG* CLOUDY 66 66 100 W5 29.64S FOG TC 19
MACOMB* CLOUDY 65 65 100 CALM 29.67R TC 19
JACKSONVILLE* CLOUDY 67 67 100 CALM 29.65S TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-011100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 69 69 100 SE7 29.66F TC 20
BLOOMINGTON CLOUDY 69 69 100 SE9 29.66F TC 21
DECATUR CLOUDY 71 70 96 S8 29.65F TC 22
PEORIA CLOUDY 68 67 96 W6 29.63S TC 20
LACON* CLOUDY 69 67 94 E7 29.63S TC 21
LINCOLN* CLOUDY 71 71 100 CALM 29.65R TC 22
SPRINGFIELD CLOUDY 69 66 90 SW3 29.65S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 69 68 96 SE9 29.67F TC 21
DANVILLE* CLOUDY 69 68 96 SE10 29.69F TC 21
MATTOON CLOUDY 70 69 97 S7 29.66F TC 21
PARIS* CLOUDY 69 68 97 SE9 29.69F TC 21
ILZ079-100>102-011100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 64 84 SW3 29.68S TC 21
BELLEVILLE CLEAR 71 67 87 W10 29.67S TC 22
CAHOKIA* MOCLDY 70 64 81 SW3 29.68F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 73 73 100 CALM 29.71F TC 23
EFFINGHAM* CLOUDY 72 72 100 SE6 29.68F TC 22
MARION CLOUDY 70 70 98 SW6 29.71F TC 21
MT. VERNON CLOUDY 72 71 97 SW6 29.69F TC 22
CENTRALIA* CLOUDY 72 71 96 CALM 29.68F TC 22
SALEM* CLOUDY 73 72 97 MISG 29.68S TC 23
METROPOLIS* CLOUDY 72 71 97 S3 29.71S TC 22
ILZ067-068-072-073-078-083-087-091-011100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 73 70 90 S5 29.68F TC 23
FAIRFIELD* MOCLDY 72 70 95 S7 29.68F TC 22
HARRISBURG* CLOUDY 70 70 100 CALM 29.70F TC 21
ROBINSON* CLOUDY 70 70 100 VRB3 29.67F FOG TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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