Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 220306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU AUG 21 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.
ILZ001-002-007-009-015-016-024-220400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 65 93 CALM 30.06S TC 19
$$
ILZ003-004-008-010-011-017-018-220400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 65 61 87 CALM 30.09F TC 18
ROCHELLE* CLEAR 61 59 93 CALM 30.09S TC 16
DE KALB* CLEAR 64 61 91 E3 30.10S TC 18
PERU* CLEAR 67 64 89 E5 30.08S TC 19
$$
ILZ005-006-012>014-019>023-220400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 70 62 76 NE7 30.08S TC 21
CHICAGO-MIDWAY PTCLDY 72 62 71 E6 30.08S TC 22
AURORA CLEAR 65 61 87 CALM 30.08S TC 18
JOLIET* CLEAR 68 64 86 NE3 30.09S TC 20
WAUKEGAN CLEAR 65 60 84 CALM 30.08S TC 18
DUPAGE AIRPORT CLEAR 67 61 81 E7 30.08F TC 19
KANKAKEE* CLOUDY 66 64 94 NE3 30.09S TC 19
WHEELING CLEAR 68 63 84 CALM 30.10S TC 20
MORRIS* CLEAR 65 63 93 E3 30.07F TC 18
ROMEOVILLE* CLEAR 68 64 88 NE5 30.09S TC 20
LANSING* PTCLDY 69 64 85 NE3 30.09S TC 21
NORTHERLY ISL* N/A 69 63 81 NE7 N/A TC 21
$$
LMZ740>746-220400-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 72 74 20/ 10/ 14 1018.5F 2/ 4
WINTHROP HARBOR 72 72 320/ 6/ 8 N/A 1/ 5
WAUKEGAN HARBOR 72 74 N/A 1/ 4
WILMETTE BUOY 72 80/ 8/ 12 1020.8R 2/ 4
NORTHERLY ISL 69 50/ 5/ 8 N/A
CALUMET HARBOR 71 10/ 4/ 7 1017.7R
BURNS HARBOR 72 50/ 5/ 6 1019.3R
MICHIGAN CITY 69 70/ 6/ 7 1017.4R
MICH CITY BUOY 72 74 30/ 10/ 12 1017.2R 3/ 4
ST. JOSEPH BUOY 65 64 30/ 4/ 4 1019.3R 1/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-220400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 69 64 84 N5 30.06R TC 21
GALESBURG* CLEAR 64 62 93 N3 30.08S TC 18
MACOMB* CLEAR 66 65 96 CALM 30.09R TC 19
JACKSONVILLE* PTCLDY 66 66 98 CALM 30.05S TC 19
PITTSFIELD* CLEAR 67 67 99 CALM 30.07R TC 20
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-220400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 64 63 96 NE5 30.08S TC 18
BLOOMINGTON PTCLDY 68 65 90 NE8 30.08S TC 20
DECATUR PTCLDY 68 65 90 NE8 30.05S TC 20
PEORIA CLEAR 70 65 84 NE3 30.06S TC 21
LACON* CLEAR 67 63 85 E6 30.06S TC 20
LINCOLN* CLEAR 67 67 100 CALM 30.06R TC 20
SPRINGFIELD CLEAR 68 64 87 NE3 30.05R TC 20
TAYLORVILLE CLEAR 70 63 78 NE6 30.05S TC 21
$$
ILZ033-039-045-046-055>057-062-063-220400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 71 64 78 NE7 30.06S TC 22
DANVILLE* CLEAR 67 64 88 NE5 30.08R TC 20
RANTOUL* CLEAR 69 64 83 NE5 30.07S TC 21
MATTOON CLEAR 69 65 86 E5 30.04S TC 21
PARIS* CLEAR 67 65 93 NE6 30.05S TC 20
$$
ILZ079-100>102-220400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 66 88 VRB3 30.05R TC 21
BELLEVILLE MOCLDY 74 67 79 CALM 30.01R TC 23
SPARTA* CLOUDY 74 67 76 N3 30.04S TC 24
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 73 66 78 N5 30.02R TC 23
CAIRO* CLOUDY 74 68 82 CALM 30.01R TC 23
EFFINGHAM* MOCLDY 71 68 88 CALM 30.05S TC 22
MARION CLOUDY N/A N/A N/A N5 30.03R
MT. VERNON CLOUDY 71 68 90 CALM 30.03R TC 22
CENTRALIA* CLOUDY 73 66 79 CALM 30.03S TC 23
SALEM* CLOUDY 74 66 76 CALM 30.03S TC 23
METROPOLIS* CLOUDY 73 65 77 CALM 30.01R TC 23
$$
ILZ067-068-072-073-078-083-087-091-220400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 70 66 87 N7 30.03R TC 21
FLORA* PTCLDY 72 68 88 NE5 30.03S TC 22
FAIRFIELD* CLOUDY 71 67 87 N3 30.02S TC 22
HARRISBURG* CLOUDY 73 67 80 N5 30.02S TC 23
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$