Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 200408
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT TUE AUG 19 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.
ILZ001-002-007-009-015-016-024-200500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 71 70 96 SW3 30.08R TC 22
$$
ILZ003-004-008-010-011-017-018-200500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 70 68 93 S3 30.09S TC 21
ROCHELLE* PTCLDY 67 65 94 CALM 30.09S TC 20
DE KALB* CLEAR 68 68 100 CALM 30.09S TC 20
PERU* CLEAR 69 69 99 CALM 30.08R TC 21
$$
ILZ005-006-012>014-019>023-200500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 71 67 87 N3 30.07R TC 22
CHICAGO-MIDWAY MOCLDY 74 66 76 NE6 30.07R TC 23
AURORA CLEAR 68 66 93 CALM 30.07S TC 20
JOLIET* CLEAR 73 70 92 CALM 30.07S TC 23
WAUKEGAN MOCLDY 69 66 90 CALM 30.07S TC 21
DUPAGE AIRPORT CLEAR 69 67 93 CALM 30.07S TC 21
KANKAKEE* CLOUDY 72 70 94 NE5 30.07S TC 22
WHEELING CLEAR 71 68 90 CALM 30.09R TC 22
MORRIS* CLEAR 71 71 100 CALM 30.06S TC 22
ROMEOVILLE* PTCLDY 72 72 100 N3 30.08S TC 22
LANSING* CLOUDY 72 67 86 N3 30.07S TC 22
$$
LMZ740>746-200500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 72 75 360/ 12/ 14 1017.5R 3/ 5
WINTHROP HARBOR 72 69 320/ 4/ 6 N/A 2/ 5
WAUKEGAN HARBOR 72 74 330/ 4/ 6 N/A 2/ 4
WILMETTE BUOY 73 20/ 6/ 10 1020.5R 3/ 5
NORTHERLY ISL 71 10/ 3/ 6 N/A
CALUMET HARBOR 73 360/ 3/ 5 1016.8
BURNS HARBOR 73 20/ 7/ 7 1018.3S
MICHIGAN CITY 73 10/ 12/ 14 1016.0R
MICH CITY BUOY 73 76 360/ 10/ 14 1016.1R 4/ 5
ST. JOSEPH BUOY 72 74 350/ 12/ 16 1018.1R 3/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-200500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 72 70 93 N5 30.09R TC 22
GALESBURG* CLEAR 69 69 100 CALM 30.10S TC 20
MACOMB* PTCLDY 69 69 99 CALM 30.11S TC 21
JACKSONVILLE* PTCLDY 72 71 98 N8 30.07F TC 22
PITTSFIELD* MOCLDY 75 74 96 N5 30.10R TC 24
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-200500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 68 67 97 CALM 30.06F TC 20
BLOOMINGTON CLEAR 71 69 93 N6 30.08F TC 22
DECATUR CLEAR 73 69 87 N6 30.06F TC 23
PEORIA CLEAR 70 67 90 CALM 30.08S TC 21
LACON* CLEAR 68 66 93 CALM 30.06S TC 20
LINCOLN* CLEAR 71 71 100 CALM 30.07S TC 22
SPRINGFIELD CLEAR 72 69 90 N5 30.07S TC 22
TAYLORVILLE PTCLDY 73 72 94 N7 30.06R TC 23
$$
ILZ033-039-045-046-055>057-062-063-200500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 74 69 85 N8 30.06F TC 23
DANVILLE* CLOUDY 73 69 89 N6 30.06F TC 23
RANTOUL* CLOUDY 73 69 89 N3 30.07S TC 23
MATTOON CLEAR 72 69 90 N6 30.03F TC 22
PARIS* CLOUDY 73 72 95 N6 30.05R THUNDER TC 23
$$
ILZ079-100>102-200500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 78 73 85 NW5 30.05S HX 80 TC 26
BELLEVILLE PTCLDY 79 73 84 NW5 30.01S HX 82 TC 26
CAHOKIA* PTCLDY 77 74 90 CALM 30.03 TC 25
SPARTA* PTCLDY 77 75 94 W3 30.04F TC 25
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 76 71 85 W7 30.01F TC 24
CAIRO* MOCLDY 76 74 94 NW5 30.01S TC 25
EFFINGHAM* CLEAR 75 73 94 N8 30.05R TC 24
MARION CLOUDY 75 73 91 CALM 30.03S TC 24
MT. VERNON PTCLDY 77 75 93 CALM 30.02S TC 25
CENTRALIA* CLEAR 78 73 85 CALM 30.03R HX 80 TC 26
SALEM* CLEAR 76 73 88 N3 30.02F TC 25
METROPOLIS* CLOUDY 76 75 96 W3 30.04R TC 25
$$
ILZ067-068-072-073-078-083-087-091-200500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 77 73 87 N3 30.00S TC 25
FLORA* CLEAR 77 75 94 N5 30.02S TC 25
FAIRFIELD* MOCLDY 74 74 98 CALM 30.01S FOG TC 24
HARRISBURG* MOCLDY 74 73 94 CALM 30.01S TC 24
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$