921
ASUS43 KLOT 221701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-221800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 83 74 74 SE12 30.02R HX 89 TC 28
ILZ003-004-008-010-011-017-018-221800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 82 68 62 SE10 30.09S HX 85 TC 28
ROCHELLE* SUNNY 81 69 67 SE12 30.09S HX 84 TC 27
PERU* PTSUNNY 83 73 73 SE9 30.07R HX 89 TC 28
ILZ005-006-012>014-019>023-221800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 82 64 54 SE7 30.09R HX 83 TC 28
CHICAGO-MIDWAY MOSUNNY 84 63 49 SE9 30.10R HX 85 TC 29
AURORA SUNNY 83 68 60 SE9 30.09R HAZE HX 86
JOLIET* SUNNY 83 69 62 SE3 30.10R HX 86 TC 28
WAUKEGAN MOSUNNY 79 66 64 SE9 30.11R HX 81 TC 26
DUPAGE AIRPORT SUNNY 83 66 56 SE7 30.09R HX 85 TC 28
KANKAKEE* MOSUNNY 81 65 59 SE9 30.11S HX 82 TC 27
WHEELING SUNNY 83 64 52 CALM 30.11R HX 84 TC 28
MORRIS* MOSUNNY 80 69 67 SE9 30.08R HX 83 TC 27
ROMEOVILLE* SUNNY 81 70 69 SE12 30.11R HX 84 TC 27
LANSING* SUNNY 82 65 57 SE8 30.12R HX 83 TC 28
LMZ740>746-221800-
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 69 150/ 10/ 12 1020.1R
WINTHROP HARBOR 71 70 160/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 71 70 150/ 10/ 14 N/A 2/ 4
WILMETTE BUOY 72 130/ 12/ 16 1021.7R 3/ 4
CHICAGO BUOY 75 73 100/ 8/ 10 1019.8R 1/ 3
HARRISON CRIB 80 130/ 16/ 18 N/A
NORTHERLY ISL 76 100/ 9/ 11 N/A
CALUMET HARBOR 78 100/ 8/ 10 1018.2
BURNS HARBOR 79 180/ 6/ 9 1020.3R
MICHIGAN CITY 77 120/ 7/ 9 1018.0S
MICH CITY BUOY 76 74 140/ 8/ 12 1018.3R 1
ST. JOSEPH BUOY 76 75 110/ 8/ 10 1020.8R 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-221800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 86 77 74 SE10 30.00R HX 97 TC 30
GALESBURG* CLOUDY 82 74 75 SE8 30.04S HX 88 TC 28
MACOMB* PTSUNNY 84 77 79 SE10 30.04S HX 94 TC 29
PITTSFIELD* MOSUNNY 85 80 84 SE8 30.03S HX 100 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-221800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 81 71 72 SE8 30.08S HX 85 TC 27
BLOOMINGTON MOSUNNY 82 75 79 SE14 30.08S HX 89 TC 28
DECATUR MOSUNNY 85 76 74 SE12 30.06S HX 94 TC 29
PEORIA PTSUNNY 83 75 77 E7 30.04S HX 90 TC 28
LACON* MOSUNNY 83 73 72 SE8 30.05R HX 88 TC 28
LINCOLN* PTSUNNY 84 76 77 SE7 30.05S HX 93 TC 29
SPRINGFIELD MOSUNNY 84 76 76 SE10 30.04S HX 93 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-221800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOSUNNY 80 70 72 SE10 30.08F HX 83 TC 27
MATTOON MOSUNNY 83 74 74 SE9 30.06S HX 89 TC 28
ILZ079-100>102-221800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 88 77 70 VRB6 30.03R HX 100 TC 31
BELLEVILLE MOSUNNY 89 80 74 SE7 30.00S HX 107 TC 32
CAHOKIA* SUNNY 90 79 70 E8 30.01R HX 106 TC 32
SPARTA* SUNNY 91 80 69 E7 30.03S HX 107 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 89 77 67 E5 30.02S HX 101 TC 32
CAIRO* SUNNY 90 79 69 CALM 30.03R HX 106 TC 32
EFFINGHAM* PTSUNNY 84 77 79 SE7 30.08R HX 94 TC 29
MARION MOSUNNY 88 79 74 SE7 30.03S HX 102 TC 31
MT. VERNON SUNNY 89 77 67 SE7 30.04S HX 101 TC 32
CENTRALIA* MOSUNNY 88 77 70 E6 30.04S HX 100 TC 31
SALEM* MOSUNNY 87 76 67 SE3 30.04S HX 97 TC 31
METROPOLIS* MOSUNNY 89 77 67 CALM 30.04R HX 102 TC 32
ILZ067-068-072-073-078-083-087-091-221800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 85 74 69 NE8 30.06S HX 92 TC 29
FLORA* MOSUNNY 86 75 70 E7 30.06R HX 95 TC 30
FAIRFIELD* MOSUNNY 86 76 71 E5 30.05S HX 95 TC 30
HARRISBURG* PTSUNNY 87 78 74 E5 30.04S HX 100 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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