Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 090806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT THU OCT 09 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.
ILZ001-002-007-009-015-016-024-090900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 44 42 93 E3 30.42S TC 7
STERLING* CLEAR 43 43 100 E5 30.44S TC 6
$$
ILZ003-004-008-010-011-017-018-090900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 41 40 96 CALM 30.47R TC 5
ROCHELLE* CLEAR 41 39 93 CALM 30.45S TC 5
DE KALB* CLEAR 42 42 100 NE6 30.45S TC 6
PERU* CLEAR 45 43 93 NE3 30.44S TC 7
$$
ILZ005-006-012>014-019>023-090900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 48 43 82 CALM 30.43S TC 9
CHICAGO-MIDWAY PTCLDY 50 41 71 CALM 30.44S TC 10
AURORA CLEAR 41 38 89 CALM 30.44S TC 5
JOLIET* CLEAR 41 41 99 CALM 30.45S FOG TC 5
WAUKEGAN CLEAR 41 41 100 CALM 30.44S TC 5
DUPAGE AIRPORT CLEAR 43 41 93 N3 30.43F TC 6
KANKAKEE* CLEAR 45 41 87 CALM 30.45S TC 7
WHEELING CLEAR 46 44 93 CALM 30.45S TC 8
MORRIS* CLEAR 45 45 100 CALM 30.43F TC 7
ROMEOVILLE* CLEAR 46 43 87 CALM 30.45S TC 8
LANSING* CLEAR 42 36 79 CALM 30.45R TC 6
NORTHERLY ISL* N/A 57 42 57 SE6 N/A TC 14
$$
LMZ740>746-090900-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 58 67 90/ 10/ 12 1031.1F
WINTHROP HARBOR 59 65 N/A 2/ 5
WAUKEGAN HARBOR 59 65 N/A 2/ 5
WILMETTE BUOY 60 80/ 8/ 12 1031.3F 2/ 4
CHICAGO BUOY 60 41 110/ 6/ 10 1031.2 2/ 4
HARRISON CRIB 60 130/ 9/ 11 N/A
NORTHERLY ISL 57 110/ 6/ 11 N/A
CALUMET HARBOR 58 100/ 7/ 10 1029.4S
BURNS HARBOR 55 120/ 6/ 7 1030.8F
MICHIGAN CITY 50 120/ 9/ 10 1030.4S
ST. JOSEPH BUOY 52 58 90/ 12/ 16 1031.3R 1/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-090900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 49 40 71 E7 30.38S TC 9
GALESBURG* CLEAR 47 42 80 E5 30.42S TC 9
MACOMB* CLEAR 41 40 94 E5 30.43S TC 5
JACKSONVILLE* CLEAR 43 41 90 E6 30.40S TC 6
PITTSFIELD* CLEAR 48 40 74 CALM 30.40S TC 9
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-090900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 42 39 90 E3 30.44S TC 6
BLOOMINGTON CLEAR 43 40 89 E6 30.43S TC 6
PEORIA CLEAR 51 41 68 E12 30.42S TC 11
LACON* CLEAR 42 39 88 CALM 30.43S TC 6
LINCOLN* CLEAR 43 42 97 CALM 30.42S TC 6
SPRINGFIELD CLEAR 48 40 73 E7 30.40F TC 9
TAYLORVILLE CLEAR 48 39 71 MISG 30.40S TC 9
$$
ILZ033-039-045-046-055>057-062-063-090900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 48 38 68 NE9 30.41S TC 9
DANVILLE* CLEAR 45 39 78 NE6 30.43S TC 7
RANTOUL* CLEAR 44 38 78 NE5 30.42S TC 7
MATTOON CLEAR 44 37 76 NE3 30.39S TC 7
PARIS* CLEAR 45 37 71 CALM 30.41S TC 7
$$
ILZ079-100>102-090900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 52 40 62 MISG 30.38S TC 11
BELLEVILLE CLEAR 51 44 76 CALM 30.35S TC 11
CAHOKIA* CLEAR 47 44 90 CALM 30.36S TC 8
SPARTA* CLEAR 51 44 77 CALM 30.37R TC 10
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-090900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 47 47 100 N5 30.34S FOG TC 8
CAIRO* CLEAR 51 49 95 CALM 30.33R TC 10
EFFINGHAM* CLEAR 49 39 67 NE3 30.40S TC 10
MARION CLEAR 47 46 96 CALM 30.35S TC 9
MT. VERNON CLEAR 52 45 77 N6 30.37R TC 11
CENTRALIA* CLEAR 51 41 67 E5 30.37S TC 11
SALEM* CLEAR 53 40 60 NE5 30.37S TC 12
METROPOLIS* CLEAR 51 47 86 CALM 30.33S TC 11
$$
ILZ067-068-072-073-078-083-087-091-090900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 50 42 74 NE7 30.37S TC 10
FLORA* CLEAR 50 43 76 CALM 30.38S TC 10
FAIRFIELD* CLEAR 51 43 74 N3 30.37R TC 11
HARRISBURG* CLEAR 48 46 90 MISG 30.35R TC 9
ROBINSON* CLEAR 48 43 81 N6 30.38R TC 9
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$