Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 090410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT TUE SEP 08 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.
ILZ001-002-007-009-015-016-024-090500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 83 68 60 NW12 30.04R HX 86 TC 28
STERLING* CLOUDY 76 66 71 E5 30.04F TC 24
SAVANNA* RAIN 74 71 91 N3 30.04S TC 23
$$
ILZ003-004-008-010-011-017-018-090500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 74 65 73 E3 30.05F TC 23
FREEPORT* MOCLDY 73 71 95 CALM 30.06F TC 23
ROCHELLE* CLOUDY 72 65 78 CALM 30.05F TC 22
DE KALB* CLOUDY 73 65 75 CALM 30.07F TC 23
PERU* CLOUDY N/A N/A N/A S9 30.03F
$$
ILZ005-006-012>014-019>023-090500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 78 61 55 SW3 30.05S HX 80 TC 26
CHICAGO-MIDWAY CLOUDY 79 63 57 SW3 30.05R HX 80 TC 26
AURORA MOCLDY 72 66 81 CALM 30.06R TC 22
JOLIET* MOCLDY 77 65 66 S6 30.05F TC 25
WAUKEGAN MOCLDY 74 63 68 SW5 30.04S TC 23
DUPAGE AIRPORT MOCLDY 75 65 70 S5 30.06S TC 24
KANKAKEE* CLEAR 73 65 74 S8 30.08S TC 23
WHEELING MOCLDY 78 62 57 SW6 30.06F HX 80 TC 26
ROMEOVILLE* CLOUDY 75 66 73 CALM 30.06S TC 24
LANSING* MOCLDY 73 62 66 S9 30.06F TC 23
NORTHERLY ISL* N/A 79 60 52 W5 N/A HX 80 TC 26
$$
LMZ740>746-090500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 68 65 150/ 4/ 6 1016.6 1/ 3
WAUKEGAN HARBOR 73 71 220/ 2/ 4 1017.6 1/ 3
WILMETTE BUOY 75 200/ 4/ 4 1020.7S 1
CHICAGO BUOY 78 72 1016.5 1/ 2
HARRISON CRIB 81 200/ 8/ 9 N/A
NORTHERLY ISL 79 260/ 6/ 12 N/A
CALUMET HARBOR 78 190/ 10/ 14 1017.4
MICHIGAN CITY 77 190/ 10/ 12 1015.9F
MICH CITY BUOY 73 67 320/ 6/ 12 N/A 0
ST. JOSEPH BUOY 73 71 40/ 2/ 2 1019.4R 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-090500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 81 64 56 S8 30.05R HX 82 TC 27
GALESBURG* CLOUDY 77 68 74 S8 30.03F TC 25
MACOMB* MOCLDY 77 68 73 S8 30.06S TC 25
JACKSONVILLE* PTCLDY 81 62 51 S5 30.06S HX 82 TC 27
PITTSFIELD* PTCLDY 79 64 59 S3 30.07S HX 80 TC 26
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-090500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 72 66 81 S5 30.06S TC 22
BLOOMINGTON PTCLDY 75 64 68 S9 30.09S TC 24
DECATUR CLEAR 76 60 57 S6 30.09S TC 24
PEORIA MOCLDY 79 63 57 S8 30.05R HX 80 TC 26
LACON* CLOUDY 77 61 58 S7 30.02F TC 25
LINCOLN* PTCLDY 77 63 61 S3 30.07R TC 25
SPRINGFIELD PTCLDY 79 61 53 S6 30.06F HX 80 TC 26
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-090500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 70 66 87 SE7 30.10F TC 21
RANTOUL* CLEAR 70 67 91 CALM 30.10R TC 21
MATTOON CLEAR 71 64 78 S3 30.09F TC 22
PARIS* CLEAR 69 67 92 CALM 30.11S TC 21
$$
ILZ079-100>102-090500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 63 63 S3 30.08S TC 25
CAHOKIA* CLEAR 79 62 56 S5 30.07S HX 80 TC 26
SPARTA* CLEAR 76 65 70 SE5 30.11S TC 24
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-090500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 77 76 95 CALM 30.11S TC 25
EFFINGHAM* CLEAR 71 69 93 E5 30.11F TC 22
MARION CLEAR 77 70 78 S1 30.12R TC 25
MT. VERNON CLEAR 72 67 84 CALM 30.11S TC 22
CENTRALIA* CLEAR 74 65 75 CALM 30.10S TC 23
SALEM* CLEAR 77 66 68 MISG 30.10S TC 25
METROPOLIS* CLEAR 80 72 76 SE3 30.12S HX 84 TC 27
$$
ILZ067-068-072-073-078-083-087-091-090500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 75 69 81 CALM 30.11S TC 24
FLORA* CLEAR 72 64 78 CALM 30.11S TC 22
FAIRFIELD* CLEAR 77 67 72 CALM 30.11S TC 25
HARRISBURG* CLEAR 73 71 92 CALM 30.12R TC 23
ROBINSON* CLEAR 72 68 88 S6 30.11S TC 22
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$