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
400
ASUS43 KLOT 211706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT FRI AUG 21 2026
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.
ILZ001-002-007-009-015-016-024-211800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 80 68 66 SW14 30.03F HX 83 TC 27
STERLING* MOSUNNY 79 67 66 SW12 30.04F HX 81 TC 26
SAVANNA* CLOUDY 78 67 68 SW9 30.03F HX 80 TC 25
$$
ILZ003-004-008-010-011-017-018-211800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 64 71 S7 30.05F TC 23
FREEPORT* PTSUNNY 76 68 75 W12G18 30.05F TC 25
ROCHELLE* MOSUNNY 75 64 69 S7 30.06F TC 24
DE KALB* LGT RAIN 69 63 82 S7 30.07F TC 21
PERU* MOSUNNY 79 64 61 SW7 30.06F HX 81 TC 26
$$
ILZ005-006-012>014-019>023-211800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 75 60 59 SW10 30.06S TC 24
CHICAGO-MIDWAY PTSUNNY 74 62 66 SW8 30.07R TC 23
AURORA MOSUNNY 71 64 78 SW5 30.07S TC 22
JOLIET* LGT RAIN 72 66 83 CALM 30.08R TC 22
WAUKEGAN PTSUNNY 74 62 66 N8 30.07R TC 23
DUPAGE AIRPORT PTSUNNY 73 64 73 SW6 30.09R TC 23
KANKAKEE* MOSUNNY 74 62 67 CALM 30.09S TC 23
WHEELING CLOUDY 75 59 57 SW8 30.08S TC 24
ROMEOVILLE* LGT RAIN 70 70 100 S3 30.08F TC 21
LANSING* LGT RAIN 71 61 71 W6 30.09R TC 21
NORTHERLY ISL* N/A 76 55 48 SW7 N/A TC 24
$$
LMZ740>746-211800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 73 74 330/ 14/ 19 1017.7 0
WAUKEGAN HARBOR 75 74 290/ 4/ 10 1018.7 0
WILMETTE BUOY 75 320/ 2/ 4 1021.2R 1
CHICAGO BUOY 75 73 1017.0 1
NORTHERLY ISL 75 250/ 5/ 6 N/A
CALUMET HARBOR 74 210/ 4/ 8 1018.2
MICH CITY BUOY 72 74 240/ 6/ 8 N/A 1
ST. JOSEPH BUOY 72 74 230/ 6/ 8 1018.7F 1/ 2
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-211800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 81 69 67 W13 30.08S HX 84 TC 27
GALESBURG* MOSUNNY 78 69 75 S10 30.08F HX 80 TC 25
MACOMB* MOSUNNY 78 72 81 W8 30.10S HX 81 TC 26
JACKSONVILLE* SUNNY 79 67 66 SW3 30.09S HX 81 TC 26
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-211800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 77 62 59 SW3 30.09R TC 25
BLOOMINGTON MOSUNNY 77 64 64 SW7 30.10S TC 25
DECATUR SUNNY 79 63 57 NW7 30.08F HX 80 TC 26
PEORIA MOSUNNY 77 64 64 SW9 30.08F TC 25
LACON* MOSUNNY 76 62 61 SW5 30.06F TC 25
LINCOLN* MOSUNNY 80 65 61 CALM 30.08F HX 82 TC 27
SPRINGFIELD MOSUNNY 80 64 58 SW6 30.08F HX 82 TC 27
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-211800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 77 60 55 CALM 30.09S TC 25
RANTOUL* SUNNY 77 61 56 CALM 30.08S TC 25
MATTOON SUNNY 79 64 60 VRB3 30.08F HX 81 TC 26
PARIS* MOSUNNY 79 63 58 CALM 30.07F HX 81 TC 26
$$
ILZ079-100>102-211800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 66 61 S7 30.10R HX 83 TC 27
CAHOKIA* SUNNY 83 68 60 SW3 30.08S HX 86 TC 28
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* SUNNY 85 70 61 CALM 30.07S HX 89 TC 29
EFFINGHAM* SUNNY 81 64 55 SW3 30.09F HX 83 TC 27
MARION MOSUNNY 82 68 61 CALM 30.08S HX 85 TC 28
MT. VERNON SUNNY 84 66 54 W6 30.08S HX 86 TC 29
CENTRALIA* SUNNY 83 64 53 CALM 30.08F HX 85 TC 28
SALEM* SUNNY 82 68 62 MISG 30.08F HX 85 TC 28
METROPOLIS* SUNNY 85 65 50 NE3 30.07S HX 87 TC 30
$$
ILZ067-068-072-073-078-083-087-091-211800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 82 66 58 N6 30.06S HX 84 TC 28
FLORA* SUNNY 81 66 61 NE3 30.08F HX 83 TC 27
FAIRFIELD* MOSUNNY 83 64 54 N3 30.07S HX 84 TC 28
HARRISBURG* MOSUNNY 85 70 60 NE5 30.07S HX 89 TC 29
ROBINSON* MOSUNNY 82 68 61 VRB2 30.06F HX 85 TC 28
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$