Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 031501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT WED SEP 03 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.
ILZ001-002-007-009-015-016-024-031600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 67 59 75 W9 29.85R TC 19
STERLING* PTSUNNY 65 62 90 W13 29.85R TC 18
$$
ILZ003-004-008-010-011-017-018-031600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 64 61 90 SW7 29.83S TC 18
ROCHELLE* LGT RAIN 66 58 74 W10G16 29.84S TC 19
PERU* PTSUNNY 69 61 74 SW7 29.85S TC 21
$$
ILZ005-006-012>014-019>023-031600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 68 56 65 SW9G21 29.80F TC 20
CHICAGO-MIDWAY CLOUDY 70 56 61 SW14G26 29.81F TC 21
AURORA CLOUDY 67 58 72 SW9 29.82F TC 19
JOLIET* CLOUDY 70 59 68 SW8 29.84S TC 21
WAUKEGAN CLOUDY 68 59 73 SW9 29.77F TC 20
DUPAGE AIRPORT CLOUDY 68 57 68 SW14 29.81F TC 20
KANKAKEE* MOSUNNY 72 57 60 SW9 29.87F TC 22
WHEELING PTSUNNY 70 57 63 SW9 29.80F TC 21
MORRIS* PTSUNNY 69 60 73 W10G16 29.83F TC 21
ROMEOVILLE* PTSUNNY 68 59 73 SW14G22 29.84F TC 20
LANSING* CLOUDY 69 58 67 SW13 29.84F TC 21
NORTHERLY ISL* N/A 70 54 56 SW9 N/A TC 21
$$
LMZ740>746-031600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 69 71 210/ 19/ 23 1007.4F
WINTHROP HARBOR 68 71 210/ 12/ 17 N/A 1/ 2
WAUKEGAN HARBOR 68 71 N/A 1/ 2
WILMETTE BUOY 69 250/ 14/ 21 1010.6F 1/ 2
CHICAGO BUOY 70 69 230/ 16/ 19 1009.5F 1/ 2
HARRISON CRIB 70 230/ 17/ 19 N/A
NORTHERLY ISL 69 240/ 6/ 9 N/A
CALUMET HARBOR 67 210/ 6/ 11 1009.0
BURNS HARBOR 69 220/ 6/ 9 1011.2S
MICHIGAN CITY 69 220/ 13/ 15 1008.9F
MICH CITY BUOY 69 72 200/ 12/ 16 1008.5F 2/ 3
ST. JOSEPH BUOY 69 71 180/ 16/ 19 1010.6F 3/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-031600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 73 59 61 W7 29.91R TC 23
GALESBURG* SUNNY 73 59 61 W7 29.89S TC 23
MACOMB* SUNNY 74 60 61 W9 29.90F TC 24
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-031600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 72 58 61 W10 29.87F TC 22
BLOOMINGTON SUNNY 72 58 61 SW10 29.90F TC 22
DECATUR SUNNY 76 57 51 SW10 29.91S TC 24
PEORIA PTSUNNY 72 57 59 W9 29.88F TC 22
LACON* PTSUNNY 72 57 59 W8 29.85F TC 22
LINCOLN* SUNNY 74 59 59 SW5 29.89F TC 23
SPRINGFIELD SUNNY 75 57 53 SW7 29.89F TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-031600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 75 57 53 SW7 29.90F TC 24
DANVILLE* SUNNY 74 56 52 SW7 29.90S TC 24
RANTOUL* SUNNY 74 54 48 SW10G16 29.89F TC 24
MATTOON SUNNY 75 55 49 SW5 29.90F TC 24
PARIS* SUNNY 75 56 52 SW6 29.91F TC 24
$$
ILZ079-100>102-031600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 61 60 VRB5 29.92F TC 24
CAHOKIA* SUNNY 76 61 59 VRB5 29.92F TC 24
SPARTA* MOSUNNY 78 58 49 W3 29.94F TC 26
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-031600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 76 58 53 CALM 29.93F TC 24
CAIRO* CLOUDY 77 64 63 CALM 29.95S TC 25
EFFINGHAM* SUNNY 76 55 49 S3 29.93F TC 24
MARION MOSUNNY 75 57 53 SW5 29.94F TC 24
MT. VERNON SUNNY 77 56 48 SW3 29.93S TC 25
CENTRALIA* SUNNY 78 55 44 SW5 29.93F TC 26
SALEM* SUNNY 78 55 45 S5 29.92F TC 25
METROPOLIS* MOSUNNY 76 56 49 CALM 29.95S TC 24
$$
ILZ067-068-072-073-078-083-087-091-031600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 73 60 63 S3 29.92F TC 23
FLORA* SUNNY 75 59 57 SW6 29.93S TC 24
FAIRFIELD* SUNNY 73 58 59 CALM 29.93S TC 23
HARRISBURG* SUNNY 76 58 54 CALM 29.94S TC 24
ROBINSON* SUNNY 75 61 60 W5 29.91S TC 24
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$