Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 221112
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE JUL 22 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-221200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 70 69 97 E6 30.01R FOG TC 21
$$
ILZ003-004-008-010-011-017-018-221200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 66 62 87 E6 30.07S FOG TC 19
ROCHELLE* CLOUDY 65 63 92 E5 30.07S FOG TC 19
DE KALB* PTCLDY 65 65 100 E5 30.08S FOG TC 18
PERU* PTCLDY 67 67 99 NE7 30.06R FOG TC 20
$$
ILZ005-006-012>014-019>023-221200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 70 65 84 E7 30.07R TC 21
CHICAGO-MIDWAY MOCLDY 73 61 65 SE9 30.07S TC 23
AURORA PTCLDY 67 64 90 CALM 30.07R FOG TC 19
JOLIET* PTCLDY 70 64 82 SE7 30.07S TC 21
WAUKEGAN PTCLDY 65 62 90 CALM 30.07S TC 18
DUPAGE AIRPORT PTCLDY 69 64 84 E3 30.07R TC 21
KANKAKEE* PTCLDY 65 63 95 E5 30.09R TC 18
WHEELING PTCLDY 67 65 93 CALM 30.09R TC 19
MORRIS* PTCLDY 67 65 94 SE6 30.05S TC 20
ROMEOVILLE* CLEAR 68 66 94 SE7 30.08R TC 20
LANSING* MOCLDY 67 63 87 SE6 30.10R TC 19
NORTHERLY ISL* N/A 69 65 86 SE8 N/A TC 21
$$
LMZ740>746-221200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 71 70 150/ 10/ 12 1018.7R 2/ 4
WINTHROP HARBOR 70 69 50/ 2/ 2 N/A 1/ 4
WAUKEGAN HARBOR 70 70 CALM / 2 N/A 1
WILMETTE BUOY 71 130/ 6/ 8 1020.4R 1/ 3
CHICAGO BUOY 72 72 160/ 4/ 10 1019.2 1/ 4
HARRISON CRIB 78 140/ 15/ 17 N/A
NORTHERLY ISL 69 110/ 5 N/A
CALUMET HARBOR 71 130/ 5/ 7 1017.6R
BURNS HARBOR 69 140/ 7/ 10 1019.6R
MICHIGAN CITY 67 130/ 8/ 10 1017.8R
MICH CITY BUOY 69 74 120/ 12/ 16 1017.8R 1/ 4
ST. JOSEPH BUOY 69 75 90/ 16/ 19 1020.0R 1/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-221200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 74 73 97 E9 29.99R TC 23
GALESBURG* MOCLDY 71 71 100 CALM 30.03R FOG TC 22
MACOMB* CLOUDY 73 73 100 SE5 30.03S FOG TC 23
JACKSONVILLE* MOCLDY 73 72 98 E3 30.02R TC 23
PITTSFIELD* MOCLDY 74 74 98 CALM 30.02R TC 24
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-221200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 67 65 96 SE6 30.06R FOG TC 19
BLOOMINGTON PTCLDY 68 68 100 SE5 30.07R TC 20
DECATUR FOG 73 72 96 E5 30.05R VSB 1/4 TC 23
PEORIA PTCLDY 73 71 93 SE3 30.03R TC 23
LACON* PTCLDY 69 65 88 E6 30.03R TC 21
LINCOLN* FOG 73 73 100 E3 30.04R VSB 1/4 TC 23
SPRINGFIELD FOG 73 73 100 E5 30.02S VSB 1/4 TC 23
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-221200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTCLDY 67 65 93 E5 30.07R TC 19
MATTOON MOCLDY 70 70 100 E3 30.04R FOG TC 21
$$
ILZ079-100>102-221200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 74 73 96 W5 30.01R TC 23
BELLEVILLE MOCLDY 75 74 97 CALM 29.98R TC 24
CAHOKIA* MOCLDY 75 74 96 S3 29.99 TC 24
SPARTA* PTCLDY 77 76 96 SE3 30.01S TC 25
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 75 75 100 CALM 30.00R FOG TC 24
CAIRO* CLEAR 75 75 100 CALM 30.00S TC 24
EFFINGHAM* CLOUDY 72 72 100 E3 30.05R FOG TC 22
MARION PTCLDY 74 73 96 CALM 30.01S FOG TC 23
MT. VERNON PTCLDY 73 73 100 N5 30.02S TC 23
CENTRALIA* PTCLDY 73 73 98 E3 30.02R TC 23
SALEM* PTCLDY 75 74 98 E3 30.02S FOG TC 24
METROPOLIS* CLEAR 74 73 96 CALM 30.01S TC 24
$$
ILZ067-068-072-073-078-083-087-091-221200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 73 72 96 NE7 30.03S TC 23
FLORA* PTCLDY 73 N/A N/A CALM 30.03R TC 23
FAIRFIELD* PTCLDY 73 72 99 CALM 30.02S FOG TC 23
HARRISBURG* FOG 73 73 97 CALM 30.01S VSB<1/4 TC 23
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$