Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 021510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT TUE SEP 02 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.
ILZ001-002-007-009-015-016-024-021600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 70 57 63 SW3 30.12F TC 21
STERLING* SUNNY 70 60 70 SW3 30.14S TC 21
$$
ILZ003-004-008-010-011-017-018-021600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 68 59 73 CALM 30.14F TC 20
ROCHELLE* SUNNY 69 58 69 CALM 30.14S TC 21
DE KALB* SUNNY 70 58 65 CALM 30.14F TC 21
PERU* SUNNY 71 60 69 CALM 30.12F TC 21
$$
ILZ005-006-012>014-019>023-021600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 72 61 68 N3 30.10F TC 22
CHICAGO-MIDWAY MOSUNNY 75 61 61 N3 30.10F TC 24
AURORA SUNNY 72 61 68 CALM 30.12F TC 22
JOLIET* SUNNY 74 63 67 N3 30.12S TC 24
WAUKEGAN SUNNY 75 59 57 VRB5 30.11F TC 24
DUPAGE AIRPORT SUNNY 73 62 68 N5 30.11F TC 23
KANKAKEE* SUNNY 72 57 60 CALM 30.12S TC 22
WHEELING SUNNY 74 61 63 N5 30.12F TC 23
MORRIS* SUNNY 70 64 79 CALM 30.11S TC 21
ROMEOVILLE* SUNNY 72 63 73 CALM 30.12F TC 22
LANSING* SUNNY 71 58 64 CALM 30.12S TC 22
NORTHERLY ISL* N/A 72 61 68 NE5 N/A TC 22
$$
LMZ740>746-021600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 70 71 190/ 2/ 4 1019.6F 1
WINTHROP HARBOR 69 71 290/ 4/ 6 N/A 1/ 3
WAUKEGAN HARBOR 69 71 N/A 1/ 3
WILMETTE BUOY 69 20/ 8/ 10 1021.7S 1/ 3
CHICAGO BUOY 70 69 350/ 6/ 8 1020.0 1/ 4
HARRISON CRIB 69 350/ 8/ 9 N/A
NORTHERLY ISL 72 60/ 3 N/A
CALUMET HARBOR 72 130/ 1/ 2 1018.4
BURNS HARBOR 69 CALM / 2 1020.3S
MICHIGAN CITY 71 350/ 3/ 3 1018.5F
MICH CITY BUOY 67 72 140/ 2/ 4 1018.2F 1/ 3
ST. JOSEPH BUOY 67 71 140/ 4/ 4 1020.6F 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-021600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 69 57 65 S3 30.12S TC 21
GALESBURG* SUNNY 70 56 61 CALM 30.14F TC 21
MACOMB* SUNNY 69 59 70 CALM 30.15F TC 21
JACKSONVILLE* SUNNY 68 56 66 CALM 30.12S TC 20
PITTSFIELD* SUNNY 70 57 62 CALM 30.13S TC 21
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-021600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 71 61 70 CALM 30.13S TC 22
BLOOMINGTON SUNNY 71 60 68 VRB5 30.13S TC 22
DECATUR SUNNY 75 59 57 VRB3 30.11F TC 24
PEORIA SUNNY 71 56 58 E6 30.12F TC 22
LACON* SUNNY 67 59 75 CALM 30.12S TC 20
LINCOLN* SUNNY 71 60 68 CALM 30.12S TC 22
SPRINGFIELD SUNNY 69 58 67 CALM 30.11F TC 21
TAYLORVILLE SUNNY 72 57 60 CALM 30.11S TC 22
$$
ILZ033-039-045-046-055>057-062-063-021600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 74 57 55 VRB3 30.10F TC 23
DANVILLE* SUNNY 71 57 60 CALM 30.11S TC 22
RANTOUL* SUNNY 70 55 60 N3 30.11S TC 21
MATTOON SUNNY 70 58 65 NW5 30.09S TC 21
PARIS* SUNNY 71 56 59 CALM 30.10S TC 22
$$
ILZ079-100>102-021600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 57 60 N6 30.11S TC 22
SPARTA* PTSUNNY 71 57 62 NW6 30.11R TC 22
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 73 58 59 N6 30.08R TC 23
CAIRO* MOSUNNY 78 58 51 N3 30.06F TC 25
EFFINGHAM* MOSUNNY 74 57 55 CALM 30.11S HAZE TC 23
MARION PTSUNNY 73 55 53 NE6 30.07S TC 23
MT. VERNON PTSUNNY 74 57 55 NE6 30.08S TC 23
CENTRALIA* PTSUNNY 76 55 48 NW3 30.09S TC 24
SALEM* MOSUNNY 77 54 45 N5 30.09S TC 25
METROPOLIS* SUNNY 76 56 51 CALM 30.06S TC 24
$$
ILZ067-068-072-073-078-083-087-091-021600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 73 57 57 VRB5 30.07F TC 23
FLORA* MOSUNNY 72 61 68 N3 30.09S TC 22
FAIRFIELD* MOSUNNY 70 56 62 CALM 30.08S TC 21
HARRISBURG* MOSUNNY 72 56 57 CALM 30.07S TC 22
ROBINSON* SUNNY 72 61 68 VRB1 30.07S TC 22
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$