827
ASUS43 KLOT 220810
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-220900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 72 71 97 E3 30.01F TC 22
ILZ003-004-008-010-011-017-018-220900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 67 60 78 E5 30.06F TC 19
ROCHELLE* PTCLDY 64 62 93 E6 30.06S TC 18
DE KALB* PTCLDY 65 63 95 E6 30.07S TC 18
PERU* MOCLDY 70 69 97 NE5 30.04F FOG TC 21
ILZ005-006-012>014-019>023-220900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 69 64 84 NE6 30.06S TC 21
CHICAGO-MIDWAY PTCLDY 73 66 78 E5 30.06S TC 23
AURORA PTCLDY 67 62 84 E3 30.06S HAZE TC 19
JOLIET* MOCLDY 67 67 97 CALM 30.07R TC 20
WAUKEGAN PTCLDY 63 60 90 CALM 30.06F TC 17
DUPAGE AIRPORT CLOUDY 68 64 87 CALM 30.06S TC 20
KANKAKEE* PTCLDY 65 64 95 CALM 30.07S TC 19
WHEELING CLEAR 67 64 90 CALM 30.08S TC 19
MORRIS* PTCLDY 66 66 99 CALM 30.05R TC 19
ROMEOVILLE* CLOUDY 70 70 100 E5 30.07S TC 21
LANSING* CLEAR 63 63 99 CALM 30.07F TC 17
NORTHERLY ISL* N/A 69 66 90 N2 N/A TC 21
LMZ740>746-220900-
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 71 140/ 12/ 14 1018.0S 2/ 4
WINTHROP HARBOR 69 69 10/ 2/ 4 N/A 1/ 3
WAUKEGAN HARBOR 69 70 340/ 4/ 4 N/A 1/ 3
WILMETTE BUOY 70 50/ 2/ 4 1019.9F 1/ 4
CHICAGO BUOY 72 72 20/ 2/ 6 1018.4 1/ 3
HARRISON CRIB 77 20/ 4/ 5 N/A
NORTHERLY ISL 69 360/ 2/ 5 N/A
CALUMET HARBOR 69 340/ 1/ 1 1017.0
BURNS HARBOR 72 150/ 3/ 5 1018.6S
MICHIGAN CITY 69 130/ 6/ 7 1017.0R
MICH CITY BUOY 72 74 140/ 8/ 10 1016.9S 1/ 4
ST. JOSEPH BUOY 70 77 90/ 10/ 12 1019.4R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-220900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 74 73 97 E6 30.00F TC 23
GALESBURG* MOCLDY 73 73 100 E3 30.03F TC 23
MACOMB* CLOUDY 73 73 100 E3 30.04F FOG TC 23
JACKSONVILLE* CLOUDY 73 72 99 E3 30.02S TC 23
PITTSFIELD* MOCLDY 74 73 98 CALM 30.02F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-220900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 67 67 97 E3 30.06R TC 20
BLOOMINGTON PTCLDY 69 69 100 E7 30.06S TC 21
DECATUR FOG 73 71 93 E3 30.04R VSB 3/4 TC 23
PEORIA MOCLDY 75 72 90 CALM 30.03F TC 24
LACON* CLOUDY 72 68 88 S3 30.03S TC 22
LINCOLN* PTCLDY 71 71 100 CALM 30.03S FOG TC 22
SPRINGFIELD PTCLDY N/A N/A N/A NE3 30.02S
TAYLORVILLE PTCLDY 73 72 94 E3 30.03R TC 23
ILZ033-039-045-046-055>057-062-063-220900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLEAR 68 65 92 E3 30.06R TC 20
MATTOON CLEAR 71 70 96 E3 30.02S TC 22
ILZ079-100>102-220900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 74 73 97 W3 30.01F TC 23
BELLEVILLE MOCLDY 76 74 95 CALM 29.98S 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>094-220900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 75 75 100 CALM 30.00R FOG TC 24
CAIRO* CLOUDY 77 77 100 CALM 30.00R TC 25
EFFINGHAM* CLEAR 73 73 99 CALM 30.04R TC 23
MARION PTCLDY 74 73 96 CALM 30.02R TC 24
MT. VERNON CLEAR 72 72 100 CALM 30.02R FOG TC 22
CENTRALIA* CLEAR 73 72 98 CALM 30.02R FOG TC 23
SALEM* CLEAR 72 72 98 CALM 30.02R TC 22
METROPOLIS* MOCLDY 76 75 96 CALM 30.00R TC 25
ILZ067-068-072-073-078-083-087-091-220900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 74 73 97 CALM 30.02R TC 23
FLORA* CLEAR 75 N/A N/A N3 30.02R HAZE TC 24
FAIRFIELD* CLEAR 73 72 98 CALM 30.01R TC 23
HARRISBURG* CLEAR 74 73 97 CALM 30.01R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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