679
ASUS43 KLOT 201101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT SUN JUL 20 2025
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.
ILZ001-002-007-009-015-016-024-201200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE TSTM 73 70 90 CALM 29.92F TC 23
ILZ003-004-008-010-011-017-018-201200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 67 87 VRB3 29.95F FOG TC 22
ROCHELLE* MOCLDY 70 69 94 NE7 29.94F FOG TC 21
PERU* CLOUDY 73 72 98 CALM 29.93S TC 23
ILZ005-006-012>014-019>023-201200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 66 93 NE14 29.96R TC 20
CHICAGO-MIDWAY CLOUDY 72 68 87 NE9 29.95R TC 22
AURORA CLOUDY 71 69 93 NE3 29.94R FOG TC 22
JOLIET* CLOUDY 71 71 100 CALM 29.94R TC 22
WAUKEGAN CLOUDY 68 64 87 N8 29.97R TC 20
DUPAGE AIRPORT CLOUDY 71 68 90 NE10 29.94R TC 22
KANKAKEE* CLOUDY 69 68 95 CALM 29.95R FOG TC 21
WHEELING CLOUDY 69 66 90 N13G20 29.98R TC 21
MORRIS* CLOUDY 71 71 100 SW5 29.94R FOG TC 21
ROMEOVILLE* MOCLDY 73 73 100 NE6 29.95R TC 23
LANSING* CLOUDY 70 70 100 N9 29.96R FOG TC 21
NORTHERLY ISL* N/A 68 66 93 N7 N/A TC 20
LMZ740>746-201200-
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)
S. MID LAKE BUOY 67 69 10/ 17/ 19 1013.9R
WINTHROP HARBOR 68 69 300/ 14/ 17 N/A 3/ 4
WAUKEGAN HARBOR 68 69 320/ 14/ 17 N/A 2/ 4
WILMETTE BUOY 70 10/ 16/ 19 1016.2R 3/ 4
CHICAGO BUOY 71 71 360/ 12/ 16 1014.8R
HARRISON CRIB 76 360/ 17/ 19 N/A
NORTHERLY ISL 69 360/ 10/ 14 N/A
CALUMET HARBOR 69 340/ 7/ 11 1013.0R
BURNS HARBOR 71 360/ 6/ 7 1014.6R
MICHIGAN CITY 72 350/ 11/ 12 1012.3R
MICH CITY BUOY 71 75 350/ 10/ 12 1012.3R 1/ 3
ST. JOSEPH BUOY 71 75 330/ 14/ 19 1014.1R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 76 73 91 N9 29.94R TC 24
GALESBURG* RAIN 73 73 100 N8 29.97R TC 23
MACOMB* RAIN 75 75 100 W13 29.99R TC 24
PITTSFIELD* MOCLDY 78 76 95 SW3 29.95R HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-201200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC TSTM 73 72 97 NE5 29.93S TC 23
BLOOMINGTON CLOUDY 74 74 100 S8 29.94F TC 23
DECATUR CLOUDY 76 74 93 S6 29.94R TC 24
PEORIA TSTM 76 75 97 SW5 29.94R TC 24
LACON* TSTM 72 70 92 NW9G20 29.95R TC 22
LINCOLN* CLOUDY 74 74 100 CALM 29.94R TC 23
SPRINGFIELD TSTM 76 75 97 SW6 29.95R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOCLDY 71 71 99 S3 29.94S FOG TC 22
MATTOON CLOUDY 73 73 100 S6 29.95R FOG TC 23
ILZ079-100>102-201200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 78 74 86 SW6 29.95R HX 81 TC 26
BELLEVILLE CLOUDY 78 75 91 CALM 29.93R HX 80 TC 25
CAHOKIA* MOCLDY 79 73 82 CALM 29.95R HX 82 TC 26
SPARTA* MOCLDY 79 75 89 S6 29.99R HX 83 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 78 75 91 SW6 29.99S HX 81 TC 26
EFFINGHAM* CLOUDY 73 73 100 CALM 29.98R FOG TC 23
MARION MOCLDY 75 74 96 SW3 29.98R TC 24
MT. VERNON MOCLDY 76 76 100 SW6 29.97R TC 24
CENTRALIA* CLOUDY 77 75 94 SW6 29.96R TC 25
SALEM* CLOUDY 78 75 90 CALM 29.96R HX 80 TC 26
METROPOLIS* PTCLDY 77 76 96 CALM 29.99S TC 25
ILZ067-068-072-073-078-083-087-091-201200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 72 72 100 CALM 29.96R FOG TC 22
FLORA* MOCLDY 72 N/A N/A S3 29.97R FOG TC 22
FAIRFIELD* MOCLDY 74 73 99 CALM 29.96R FOG TC 23
HARRISBURG* MOCLDY 76 74 95 SW5 29.98R TC 25
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