673
ASUS43 KLOT 221407
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT TUE JUL 22 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.
ILZ001-002-007-009-015-016-024-221500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 75 73 93 SE8 30.01S TC 24
ILZ003-004-008-010-011-017-018-221500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 75 64 68 SE12 30.08R TC 24
ROCHELLE* MOSUNNY 74 67 78 SE12 30.08R TC 23
DE KALB* MOSUNNY 74 66 76 SE9 30.10R TC 23
PERU* MOSUNNY 75 69 82 SE6 30.07S TC 24
ILZ005-006-012>014-019>023-221500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 61 57 S13 30.08S TC 25
CHICAGO-MIDWAY PTSUNNY 78 61 55 SE9 30.08S HX 80 TC 26
AURORA CLOUDY 76 65 68 S8 30.08S HAZE TC 24
JOLIET* MOSUNNY 76 66 69 SE7 30.09S TC 25
WAUKEGAN CLOUDY 75 65 70 S6 30.08F TC 24
DUPAGE AIRPORT MOSUNNY 76 63 64 S9 30.08S TC 24
KANKAKEE* MOSUNNY 73 66 77 SE8 30.10R TC 23
WHEELING PTSUNNY 77 63 61 S10 30.10S TC 25
MORRIS* MOSUNNY 74 66 76 SE8 30.07S TC 23
ROMEOVILLE* SUNNY 75 66 73 SE10 30.09S TC 24
LANSING* SUNNY 74 63 67 SE8 30.10S TC 24
NORTHERLY ISL* N/A 75 64 68 SE8 N/A TC 24
LMZ740>746-221500-
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 70 69 170/ 14/ 16 1019.1S 2/ 4
WINTHROP HARBOR 71 69 170/ 6/ 8 N/A 1/ 5
WAUKEGAN HARBOR 71 70 160/ 10/ 12 N/A 1/ 3
WILMETTE BUOY 71 170/ 12/ 16 1020.6F 2/ 3
CHICAGO BUOY 75 72 170/ 4/ 10 1019.2F 1/ 3
HARRISON CRIB 78 160/ 12/ 16 N/A
NORTHERLY ISL 75 160/ 4/ 9 N/A
CALUMET HARBOR 73 140/ 7/ 10 1017.8
BURNS HARBOR 72 140/ 6/ 10 1019.6S
MICHIGAN CITY 71 130/ 13/ 16 1017.9F
MICH CITY BUOY 71 74 140/ 14/ 17 1017.9S 2/ 2
ST. JOSEPH BUOY 71 75 110/ 12/ 16 1020.4R 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-221500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 74 87 SE12 30.00S HX 81 TC 26
GALESBURG* CLOUDY 74 74 100 SE5 30.04S TC 24
MACOMB* PTSUNNY 77 76 95 SE5 30.05R TC 25
JACKSONVILLE* PTSUNNY 79 78 98 SE8 30.02S HX 84 TC 26
PITTSFIELD* PTSUNNY 79 78 98 SE6 30.03R HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-221500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 74 67 78 SE9 30.08S TC 23
BLOOMINGTON MOSUNNY 76 72 87 SE9 30.08R TC 24
DECATUR CLOUDY 77 73 87 SE8 30.05S TC 25
PEORIA MOSUNNY 77 74 90 SE6 30.05R TC 25
LACON* MOSUNNY 76 69 80 SE6 30.04F TC 24
LINCOLN* CLOUDY 74 74 100 SE5 30.05S FOG TC 24
SPRINGFIELD PTSUNNY 79 75 87 SE8 30.03S HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-221500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 74 65 74 SE8 30.08R TC 23
MATTOON PTSUNNY 75 71 87 SE8 30.06R TC 24
ILZ079-100>102-221500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 75 83 SE6 30.02R HX 86 TC 27
BELLEVILLE SUNNY 84 79 85 S8 30.00R HX 96 TC 29
CAHOKIA* MOSUNNY 83 77 82 SE7 30.00R HX 92 TC 28
SPARTA* MOSUNNY 83 79 87 E5 30.03R HX 94 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 77 83 E3 30.01R HX 91 TC 28
CAIRO* SUNNY 83 79 87 CALM 30.02R HX 95 TC 29
EFFINGHAM* CLOUDY 76 76 98 E6 30.07R TC 25
MARION MOSUNNY 82 75 78 S6 30.02R HX 89 TC 28
MT. VERNON N/A 82 77 84 MISG N/A HX 90 TC 28
CENTRALIA* MOSUNNY 82 76 82 E5 30.03S HX 90 TC 28
SALEM* MOSUNNY 81 75 82 E5 30.04R HX 88 TC 27
METROPOLIS* SUNNY 83 78 83 CALM 30.02S HX 93 TC 28
ILZ067-068-072-073-078-083-087-091-221500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 78 72 81 E7 30.05S HX 80 TC 26
FLORA* MOSUNNY 79 77 94 E3 30.06R HX 83 TC 26
FAIRFIELD* PTSUNNY 80 74 83 NE3 30.04R HX 84 TC 26
HARRISBURG* MOSUNNY 81 78 89 E5 30.03R HX 89 TC 27
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