Regional Weather Roundup
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
614
ASUS43 KLOT 200603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED AUG 20 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.
ILZ001-002-007-009-015-016-024-200700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 69 68 96 S3 30.07S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 80;
$$
ILZ003-004-008-010-011-017-018-200700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 67 66 97 CALM 30.09S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;
$$
ILZ005-006-012>014-019>023-200700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 70 67 90 CALM 30.05S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 75;
CHICAGO-MIDWAY PTCLDY 72 66 81 NW3 30.04F TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 77;
AURORA CLEAR 66 64 93 CALM 30.07S FOG TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 78;
WAUKEGAN CLOUDY 70 66 87 NW3 30.07R TC 21
6HR MIN TEMP: 66; 6HR MAX TEMP: 73; 6HR PCP: TRACE;
DUPAGE AIRPORT CLEAR 67 65 93 CALM 30.07S TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 77;
WHEELING CLEAR 69 67 93 N5 30.08S TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 74;
MORRIS* CLEAR 68 68 100 CALM 30.06S TC 20
LANSING* CLOUDY 71 68 91 CALM 30.06S TC 22
NORTHERLY ISL* N/A 71 66 84 N3 N/A TC 22
$$
LMZ740>746-200700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 72 75 360/ 14/ 16 1017.4F
WINTHROP HARBOR 69 69 250/ 6/ 10 N/A 2/ 5
WAUKEGAN HARBOR 71 74 300/ 6/ 8 N/A 2/ 5
WILMETTE BUOY 73 360/ 6/ 10 1019.8F 3/ 5
NORTHERLY ISL 71 10/ 5/ 7 N/A
CALUMET HARBOR 72 340/ 6/ 8 1016.6
BURNS HARBOR 73 10/ 8/ 11 1017.6F
MICHIGAN CITY 73 10/ 17/ 18 1015.6F
MICH CITY BUOY 74 76 350/ 14/ 17 1015.9F 4/ 6
ST. JOSEPH BUOY 72 73 340/ 14/ 19 1017.8S 3/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-200700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 69 97 CALM 30.08S TC 21
GALESBURG* CLEAR 67 67 100 CALM 30.09F TC 19
MACOMB* CLEAR 67 67 99 CALM 30.10S TC 20
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-200700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 69 69 100 N7 30.07F TC 21
DECATUR PTCLDY 72 69 90 N6 30.05S TC 22
PEORIA CLEAR 69 67 93 N3 30.07S TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 76;
LACON* CLEAR 68 66 94 N3 30.06F TC 20
LINCOLN* PTCLDY 70 70 100 CALM 30.06S TC 21
SPRINGFIELD PTCLDY 70 68 93 N6 30.06S TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-200700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 72 69 90 N6 30.04F TC 22
DANVILLE* MOCLDY 70 68 93 N6 30.05S TC 21
RANTOUL* PTCLDY 71 69 93 NE6 30.05S TC 22
MATTOON PTCLDY 70 68 93 N3 30.03S TC 21
$$
ILZ079-100>102-200700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 74 71 89 NW3 30.05S TC 24
BELLEVILLE CLEAR 78 74 88 N8 30.01S TC 25
CAHOKIA* CLOUDY 78 73 84 NE7 30.03S HX 81 TC 26
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 75 71 87 CALM 30.03R TC 24
6HR MIN TEMP: 75; 6HR MAX TEMP: 80;
CAIRO* MOCLDY 75 73 96 N9 30.02R TC 24
MARION CLOUDY N/A N/A N/A SW3 30.04S
MT. VERNON MOCLDY 77 73 87 VRB7 30.02R TC 25
CENTRALIA* PTCLDY 76 71 84 NE6 30.03R TC 25
SALEM* PTCLDY 75 70 84 N9 30.03S TC 24
METROPOLIS* LGT RAIN 73 72 97 NW9 30.00F TC 23
$$
ILZ067-068-072-073-078-083-087-091-200700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 75 73 93 N9 30.00R TC 24
FLORA* CLEAR 73 73 100 N8 30.03S TC 23
FAIRFIELD* PTCLDY 75 74 96 N5 30.01S TC 24
HARRISBURG* CLOUDY 74 72 93 CALM 30.02S TC 23
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$