466
ASUS43 KLOT 220903
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-221000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 71 97 E3 30.00F TC 22
ILZ003-004-008-010-011-017-018-221000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 67 61 81 CALM 30.07R TC 19
ROCHELLE* PTCLDY 65 63 93 CALM 30.06S TC 18
PERU* MOCLDY 69 68 99 E3 30.03F FOG TC 20
ILZ005-006-012>014-019>023-221000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 69 64 84 E5 30.06S TC 21
CHICAGO-MIDWAY MOCLDY 73 65 75 E3 30.07R TC 23
AURORA PTCLDY 66 63 90 E3 30.06S FOG TC 19
JOLIET* PTCLDY 68 67 94 CALM 30.07S TC 20
WAUKEGAN PTCLDY 63 60 90 CALM 30.07R TC 17
DUPAGE AIRPORT CLOUDY 69 64 84 CALM 30.06S TC 21
KANKAKEE* PTCLDY 65 64 95 E3 30.08R TC 18
WHEELING CLOUDY 68 64 87 CALM 30.08S TC 20
MORRIS* PTCLDY 66 66 100 CALM 30.05F FOG TC 19
ROMEOVILLE* CLOUDY 70 70 100 NE5 30.08S TC 21
LANSING* CLOUDY 66 65 96 E5 30.08S TC 19
NORTHERLY ISL* N/A 69 66 90 N1 N/A TC 21
LMZ740>746-221000-
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 71 71 150/ 10/ 12 1018.3R
WINTHROP HARBOR 69 69 10/ 2/ 4 N/A 1/ 4
WAUKEGAN HARBOR 70 70 360/ 2/ 4 N/A 1
WILMETTE BUOY 70 100/ 2/ 4 1020.2R 1/ 4
CHICAGO BUOY 72 72 140/ 2/ 6 1018.8R 1/ 3
HARRISON CRIB 77 100/ 2/ 2 N/A
NORTHERLY ISL 69 CALM / 4 N/A
CALUMET HARBOR 71 CALM / 2 1017.3
BURNS HARBOR 71 160/ 4/ 7 1019.3R
MICHIGAN CITY 68 130/ 6/ 8 1017.4R
MICH CITY BUOY 71 74 130/ 8/ 10 1017.4R 1/ 4
ST. JOSEPH BUOY 70 76 90/ 12/ 16 1019.6R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-221000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 74 73 97 E6 29.99F TC 23
GALESBURG* MOCLDY 72 72 100 E3 30.02F TC 22
MACOMB* MOCLDY 73 73 100 CALM 30.03S FOG TC 23
PITTSFIELD* CLOUDY 74 74 98 E3 30.01F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-221000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 67 66 97 E6 30.05S FOG TC 20
BLOOMINGTON MOCLDY 67 67 100 SE6 30.06S TC 19
DECATUR FOG 73 72 96 E5 30.03F VSB 1/2 TC 23
PEORIA CLOUDY 74 72 93 E6 30.01F TC 23
LACON* MOCLDY 71 67 85 CALM 30.02S TC 22
LINCOLN* MOCLDY 71 71 100 CALM 30.02S FOG TC 22
SPRINGFIELD MOCLDY N/A N/A N/A E5 30.01F
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-221000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTCLDY 67 65 94 E5 30.06S TC 20
MATTOON FOG 70 70 100 CALM 30.03 VSB 3/4 TC 21
ILZ079-100>102-221000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 74 73 96 W3 30.00F TC 23
BELLEVILLE CLOUDY 76 74 93 CALM 29.97F TC 25
CAHOKIA* PTCLDY 75 74 96 CALM 29.98 TC 24
SPARTA* PTCLDY 77 76 95 CALM 30.01S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 75 75 100 CALM 29.99F FOG TC 24
CAIRO* CLEAR 77 76 99 CALM 30.00R TC 25
EFFINGHAM* PTCLDY 73 72 99 CALM 30.04S TC 23
MARION CLEAR 74 73 95 CALM 30.01S TC 24
MT. VERNON PTCLDY 71 71 100 CALM 30.01F FOG TC 22
CENTRALIA* MOCLDY 73 73 98 CALM 30.01S FOG TC 23
SALEM* PTCLDY 73 73 98 CALM 30.01F FOG TC 23
METROPOLIS* CLEAR 75 74 96 CALM 30.01R FOG TC 24
ILZ067-068-072-073-078-083-087-091-221000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 74 72 93 NE3 30.02S TC 23
FLORA* PTCLDY 73 N/A N/A CALM 30.02S TC 23
FAIRFIELD* CLEAR 72 72 99 CALM 30.01F FOG TC 22
HARRISBURG* PTCLDY 74 73 98 CALM 30.01S TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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