529
ASUS43 KLOT 021011
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SUN AUG 02 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.
ILZ001-002-007-009-015-016-024-021100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 66 63 90 N6 29.86R TC 19
STERLING* CLEAR 64 64 100 NE6 29.87R TC 18
SAVANNA* CLEAR 63 62 96 N6 29.88S TC 17
ILZ003-004-008-010-011-017-018-021100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 64 62 93 N8 29.88R TC 18
FREEPORT* CLEAR 63 61 94 N5 29.90S TC 17
ROCHELLE* MOCLDY 64 62 94 N8 29.86S TC 18
DE KALB* MOCLDY 64 64 100 N9 29.86R FOG TC 18
PERU* PTCLDY 64 64 100 N9 29.83S TC 18
ILZ005-006-012>014-019>023-021100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 68 65 90 N14 29.81R TC 20
CHICAGO-MIDWAY MOCLDY 69 66 90 N14 29.80R TC 21
AURORA PTCLDY 66 65 96 N10 29.82S TC 19
JOLIET* PTCLDY 68 68 99 N8 29.81R TC 20
WAUKEGAN PTCLDY 67 66 97 N10 29.83S TC 19
DUPAGE AIRPORT MOCLDY 66 65 96 N10 29.82R TC 19
KANKAKEE* PTCLDY 67 65 95 N10 29.78S TC 19
WHEELING PTCLDY 68 66 93 N8 29.84R TC 20
ROMEOVILLE* PTCLDY 68 68 100 N9 29.82R TC 20
LANSING* MOCLDY 68 64 88 N6 29.79R TC 20
NORTHERLY ISL* N/A 69 65 86 N13 N/A TC 21
LMZ740>746-021100-
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 69 340/ 17/ 23 1010.1 3/ 5
WAUKEGAN HARBOR 69 68 320/ 17/ 23 1011.1 3/ 5
WILMETTE BUOY 70 60/ 16/ 23 1011.8S 4/ 6
CHICAGO BUOY 71 68 1008.1 4/ 5
HARRISON CRIB 71 10/ 23/ 25 N/A
NORTHERLY ISL 69 20/ 6/ 12 N/A
CALUMET HARBOR 70 360/ 8/ 15 1008.9R
BURNS HARBOR 1008.8R
MICHIGAN CITY 68 20/ 15/ 17 1006.4R
MICH CITY BUOY 69 68 20/ 16/ 21 N/A 4/ 6
ST. JOSEPH BUOY 66 63 20/ 12/ 14 1009.3R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-021100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 64 62 93 N8 29.86R TC 18
GALESBURG* CLEAR 62 62 100 N7 29.87R TC 17
MACOMB* CLEAR 63 63 100 CALM 29.87S TC 17
JACKSONVILLE* PTCLDY 64 64 100 NW9 29.81S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-021100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 65 65 100 N8 29.80R TC 18
BLOOMINGTON CLOUDY 65 65 100 N15 29.80R TC 18
DECATUR MOCLDY 67 65 93 N13 29.75R TC 19
PEORIA CLEAR 64 63 96 N7 29.82R TC 18
LACON* PTCLDY 64 62 91 N5 29.82R TC 18
LINCOLN* CLOUDY 67 67 100 N7 29.79R TC 19
SPRINGFIELD LGT RAIN 65 64 97 N9 29.79R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-021100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 67 65 93 N14 29.74R TC 19
DANVILLE* CLOUDY 67 66 95 N8 29.73R TC 20
MATTOON CLOUDY 68 66 93 N13 29.71R TC 20
PARIS* CLOUDY 68 66 94 N8 29.70R TC 20
ILZ079-100>102-021100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 65 90 NW5 29.78R TC 20
CAHOKIA* CLOUDY 69 66 90 N12 29.77R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 70 70 100 W7 29.72S TC 21
EFFINGHAM* CLOUDY 67 67 100 N9 29.72R TC 20
MARION CLOUDY 69 69 98 CALM 29.72R TC 21
MT. VERNON CLOUDY 69 67 93 VRB5 29.72R TC 21
CENTRALIA* CLOUDY 69 67 90 N12G21 29.73R TC 21
SALEM* CLOUDY 69 67 92 MISG 29.73R TC 21
METROPOLIS* CLOUDY 69 69 98 W5 29.70S FOG TC 21
ILZ067-068-072-073-078-083-087-091-021100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 69 68 96 S5 29.65R FOG TC 21
FAIRFIELD* CLOUDY 69 67 93 NW6 29.69R TC 21
HARRISBURG* CLOUDY 70 70 100 NW6 29.69S TC 21
ROBINSON* DRIZZLE 68 68 100 E5 29.65R FOG TC 20
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