Regional Weather Roundup
Issued by NWS
Issued by NWS
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791
ASUS43 KLOT 160610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT TUE SEP 16 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.
ILZ001-002-007-009-015-016-024-160700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 65 59 81 E5 30.15S TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 78;
STERLING* PTCLDY 62 59 90 E6 30.18S TC 17
$$
ILZ003-004-008-010-011-017-018-160700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 64 58 80 CALM 30.21R TC 18
6HR MIN TEMP: 64; 6HR MAX TEMP: 78;
ROCHELLE* PTCLDY 64 55 74 E6 30.19S TC 18
DE KALB* CLEAR 62 59 91 E7 30.20S TC 17
PERU* PTCLDY 62 59 90 N3 30.17S TC 17
$$
ILZ005-006-012>014-019>023-160700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 66 62 87 N5 30.17S TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 76;
CHICAGO-MIDWAY CLEAR 70 59 68 CALM 30.17S TC 21
6HR MIN TEMP: 70; 6HR MAX TEMP: 79;
AURORA CLEAR 61 57 87 E5 30.18S TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 75;
JOLIET* CLEAR 67 61 83 CALM 30.18S TC 19
WAUKEGAN CLEAR 66 62 87 N5 30.19S TC 19
6HR MIN TEMP: 65; 6HR MAX TEMP: 69;
DUPAGE AIRPORT CLEAR 61 58 90 N5 30.18S TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 76;
KANKAKEE* CLEAR 61 59 94 CALM 30.18S TC 16
WHEELING CLEAR 65 63 93 N3 30.19S TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 73;
MORRIS* CLEAR 62 59 91 CALM 30.17S TC 17
ROMEOVILLE* CLEAR 64 63 94 NE3 30.18S TC 18
LANSING* CLEAR 60 60 100 CALM 30.19R FOG TC 15
NORTHERLY ISL* N/A 68 64 87 N5 N/A TC 20
$$
LMZ740>746-160700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 70 67 100/ 12/ 14 1022.3S 1/ 3
WINTHROP HARBOR 69 70 350/ 6/ 8 N/A 1/ 3
WAUKEGAN HARBOR 69 70 N/A 1
WILMETTE BUOY 71 60/ 8/ 10 1023.7F 1/ 3
CHICAGO BUOY 71 66 250/ 2/ 6 1022.2 1/ 3
HARRISON CRIB 71 70/ 9/ 10 N/A
NORTHERLY ISL 69 10/ 4/ 7 N/A
CALUMET HARBOR 69 40/ 3/ 4 1020.7
BURNS HARBOR 74 130/ 6/ 10 1022.4S
MICHIGAN CITY 68 130/ 7/ 8 1020.8R
MICH CITY BUOY 67 1020.4S
ST. JOSEPH BUOY 70 69 80/ 14/ 17 1023.0R 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-160700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 67 64 90 NW5 30.13S TC 19
GALESBURG* MOCLDY 71 57 60 E5 30.17R TC 22
MACOMB* PTCLDY 65 59 82 NE5 30.17S TC 18
JACKSONVILLE* PTCLDY 64 56 76 E6 30.13S TC 18
PITTSFIELD* PTCLDY 67 65 94 CALM 30.13S TC 19
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-160700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 60 57 91 E3 30.17R TC 15
BLOOMINGTON CLEAR 63 59 87 NE7 30.17S TC 17
DECATUR CLEAR 65 57 75 E3 30.14S TC 18
PEORIA PTCLDY 72 58 61 E8 30.15S TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 81;
LACON* PTCLDY 65 57 77 CALM 30.15S TC 18
LINCOLN* PTCLDY 63 58 82 CALM 30.15R TC 17
SPRINGFIELD PTCLDY 67 56 67 E5 30.13S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;
TAYLORVILLE PTCLDY 70 57 64 MISG 30.13S TC 21
$$
ILZ033-039-045-046-055>057-062-063-160700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 56 65 E7 30.15S TC 20
DANVILLE* CLEAR 68 55 62 E6 30.16S TC 20
RANTOUL* CLEAR 66 56 70 NE6 30.16S TC 19
MATTOON CLEAR 68 57 68 NE3 30.12F TC 20
$$
ILZ079-100>102-160700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 71 62 73 MISG 30.11R TC 22
BELLEVILLE PTCLDY 72 65 79 CALM 30.07S TC 22
CAHOKIA* PTCLDY 68 64 87 CALM 30.09R TC 20
SPARTA* PTCLDY 73 65 76 E3 30.10S TC 23
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 66 97 CALM 30.08S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 82;
CAIRO* CLEAR 70 67 90 CALM 30.08R TC 21
EFFINGHAM* CLEAR 71 62 72 CALM 30.13S TC 22
MARION CLEAR 68 66 94 CALM 30.09S TC 20
MT. VERNON CLEAR 69 64 84 N5 30.10S TC 21
CENTRALIA* CLEAR 68 61 78 E3 30.10S TC 20
SALEM* CLEAR 74 63 66 CALM 30.11S TC 24
METROPOLIS* CLEAR 70 69 96 CALM 30.08R TC 21
$$
ILZ067-068-072-073-078-083-087-091-160700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 69 64 84 NE3 30.11S TC 21
FLORA* CLEAR 70 64 83 CALM 30.11S TC 21
FAIRFIELD* CLEAR 71 63 75 CALM 30.10S TC 22
HARRISBURG* CLEAR 68 62 80 MISG 30.09S TC 20
ROBINSON* CLEAR 63 61 94 NE1 30.11S TC 17
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$