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
799
ASUS43 KLOT 041710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CST THU DEC 04 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.
ILZ001-002-007-009-015-016-024-041800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 9 1 70 CALM 30.44F TC -13
STERLING* SUNNY 11 -1 58 E3 30.45F TC -12
$$
ILZ003-004-008-010-011-017-018-041800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 12 -3 51 N3 30.43S TC -11
DE KALB* SUNNY 10 0 64 CALM 30.40F TC -12
PERU* SUNNY 9 -1 62 N6 30.44S WCI 0 TC -13
$$
ILZ005-006-012>014-019>023-041800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 14 -5 42 N3 30.40S TC -10
CHICAGO-MIDWAY MOSUNNY 17 5 59 N6 30.40F WCI 9 TC -8
AURORA SUNNY 5 -2 72 W6 30.41S WCI -6 TC -15
JOLIET* SUNNY 16 0 48 CALM 30.43S TC -9
WAUKEGAN SUNNY 12 -4 48 NW6 30.39F WCI 3 TC -11
DUPAGE AIRPORT SUNNY 12 -3 51 N3 30.40S TC -11
WHEELING SUNNY 15 -4 42 NW5 30.41F WCI 8 TC -9
MORRIS* SUNNY 8 0 70 NW7 30.43S WCI -3 TC -13
ROMEOVILLE* SUNNY 14 -2 48 CALM 30.42F TC -10
LANSING* MOSUNNY 19 5 55 NW7 30.40S WCI 10 TC -7
NORTHERLY ISL* N/A 20 12 71 NW5 N/A WCI 14 TC -7
$$
LMZ740>746-041800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 21 44 360/ 12/ 17 1029.8F
HARRISON CRIB 20 330/ 14/ 16 N/A
NORTHERLY ISL 20 330/ 2/ 9 N/A
CALUMET HARBOR 19 280/ 5/ 8 1028.7
BURNS HARBOR 25 20/ 6/ 9 1028.8S
MICHIGAN CITY 25 360/ 14/ 17 1028.9F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-041800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 11 3 70 N3 30.43F TC -12
GALESBURG* SUNNY 10 7 87 CALM 30.45S TC -12
MACOMB* SUNNY 9 3 75 CALM 30.47F TC -13
JACKSONVILLE* SUNNY 13 3 64 NE6 30.44F WCI 4 TC -10
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-041800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 11 -1 60 N5 30.44S WCI 3 TC -12
BLOOMINGTON MOSUNNY 15 2 56 N12 30.41F WCI 2 TC -9
DECATUR MOSUNNY 16 5 62 N7 30.42F WCI 6 TC -9
PEORIA SUNNY 15 -1 49 NE3 30.44F TC -9
LACON* SUNNY 12 0 59 CALM 30.45S TC -11
LINCOLN* MOSUNNY 13 -1 54 N7 30.45F WCI 3 TC -10
SPRINGFIELD MOSUNNY 14 2 58 N8 30.44F WCI 3 TC -10
TAYLORVILLE MOSUNNY 14 4 64 N9 30.44F WCI 2 TC -10
$$
ILZ033-039-045-046-055>057-062-063-041800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 16 1 51 N7 30.41S WCI 6 TC -9
RANTOUL* MOSUNNY 13 2 63 N8 30.41F WCI 2 TC -11
MATTOON MOSUNNY 14 6 70 N8 30.39F WCI 3 TC -10
PARIS* MOSUNNY 20 8 59 N7 30.42S WCI 11 TC -6
$$
ILZ079-100>102-041800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 19 7 58 NE9 30.43F WCI 9 TC -7
BELLEVILLE PTSUNNY 20 10 63 N8 30.41 WCI 11 TC -6
CAHOKIA* MOSUNNY 20 10 65 N7 30.43F WCI 11 TC -7
SPARTA* PTSUNNY 23 15 70 N7 30.42F WCI 15 TC -5
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 27 19 72 N13G18 30.40S WCI 16 TC -3
CAIRO* CLOUDY 32 26 78 N10 30.37F WCI 23 TC 0
EFFINGHAM* MOSUNNY 19 9 64 N6 30.43F WCI 11 TC -7
MARION CLOUDY 28 19 69 N12 30.39R WCI 18 TC -2
MT. VERNON PTSUNNY N/A N/A N/A NE8 30.39F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTSUNNY 22 11 63 N10 30.41F WCI 11 TC -5
METROPOLIS* PTSUNNY 32 23 68 N8 30.36F WCI 25 TC 0
$$
ILZ067-068-072-073-078-083-087-091-041800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 26 17 68 NE10 30.38F WCI 16 TC -3
FLORA* PTSUNNY 21 14 73 N9 30.41F WCI 11 TC -6
FAIRFIELD* PTSUNNY 25 16 68 N9 30.40F WCI 15 TC -4
HARRISBURG* PTSUNNY 29 19 67 N10 30.39F WCI 20 TC -2
ROBINSON* MOSUNNY 23 16 74 N10 30.38F WCI 12 TC -5
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$