597
ASUS43 KLOT 200806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT MON OCT 20 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-200900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE FAIR 37 33 85 CALM 29.96F TC 3
STERLING* FAIR 37 35 92 CALM 29.98S TC 3
ILZ003-004-008-010-011-017-018-200900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FAIR 38 35 89 SE3 29.98R TC 3
ROCHELLE* FAIR 34 32 94 S5 29.97F WCI 29 TC 1
DE KALB* FAIR 43 35 73 SW8 29.98R TC 6
PERU* FAIR 42 38 85 S3 29.99S TC 5
ILZ005-006-012>014-019>023-200900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FAIR 44 34 67 W7 29.95R TC 7
CHICAGO-MIDWAY FAIR 43 36 76 W8 29.97R TC 6
AURORA FAIR 33 33 100 CALM 29.97R TC 1
JOLIET* FAIR 37 37 99 CALM 29.99R TC 3
WAUKEGAN FAIR 41 34 76 W6 29.94R TC 5
DUPAGE AIRPORT FAIR 41 33 73 SW6 29.96R TC 5
KANKAKEE* FAIR 39 34 81 CALM 30.01R TC 4
WHEELING FAIR 40 35 83 CALM 29.97R TC 4
MORRIS* FAIR 39 36 86 W6 29.98S TC 4
ROMEOVILLE* FAIR 43 36 75 SW5 29.99R TC 6
LANSING* FAIR 39 32 76 W3 29.98R TC 4
NORTHERLY ISL* N/A 48 34 58 SW12 N/A TC 9
LMZ740>746-200900-
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 290/ 14/ 19 N/A
WINTHROP HARBOR 48 57 N/A 2/ 6
WAUKEGAN HARBOR 48 56 N/A 2/ 7
WILMETTE BUOY 54 330/ 12/ 17 1014.1R 3/ 7
CHICAGO BUOY 55 280/ 14/ 17 N/A 3/ 7
HARRISON CRIB 52 280/ 12/ 13 N/A
NORTHERLY ISL 49 250/ 7/ 9 N/A
BURNS HARBOR 54 220/ 4/ 8 1014.9R
MICHIGAN CITY 56 290/ 15/ 17 1013.2R
ST. JOSEPH BUOY 57 57 270/ 19/ 25 1014.5R 6/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-200900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FAIR 41 35 79 S6 30.00F TC 5
GALESBURG* FAIR 39 34 80 S5 30.00S TC 4
MACOMB* FAIR 40 34 79 CALM 30.02F TC 5
JACKSONVILLE* FAIR 43 34 71 SW5 30.02F TC 6
PITTSFIELD* FAIR 44 36 73 S5 30.03F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-200900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC FAIR 39 34 82 CALM 30.00S TC 4
BLOOMINGTON FAIR 40 35 83 SW8 30.02S TC 4
DECATUR FAIR 44 36 73 SW8 30.04S TC 7
PEORIA FAIR 43 36 76 SW3 30.01S TC 6
LACON* FAIR 41 33 72 CALM 29.99S TC 5
LINCOLN* FAIR 45 37 73 CALM 30.03S TC 7
SPRINGFIELD FAIR 42 35 76 SW3 30.03F TC 6
TAYLORVILLE FAIR 43 36 75 MISG 30.05S TC 6
ILZ033-039-045-046-055>057-062-063-200900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN FAIR 38 34 85 SW7 30.03R WCI 33 TC 3
DANVILLE* FAIR 41 36 80 SW5 30.03S TC 5
RANTOUL* FAIR 43 36 75 W5 30.02R TC 6
MATTOON FAIR 46 37 71 SW8 30.04R TC 8
PARIS* FAIR 43 35 75 CALM 30.05R TC 6
ILZ079-100>102-200900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON FAIR 42 39 89 MISG 30.06F TC 6
BELLEVILLE CLEAR 43 39 87 CALM 30.05S TC 6
CAHOKIA* FAIR 41 39 93 CALM 30.06F TC 5
SPARTA* FAIR 46 39 77 CALM 30.09S TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FAIR 42 39 89 CALM 30.09F TC 6
CAIRO* FAIR 43 42 97 CALM 30.12S TC 6
EFFINGHAM* FAIR 42 40 93 CALM 30.08S TC 6
MARION FAIR 44 37 76 SW3 30.11S TC 7
MT. VERNON FAIR 39 39 100 CALM 30.09S TC 4
CENTRALIA* FAIR 44 38 77 CALM 30.08S TC 7
SALEM* FAIR 46 39 78 S3 30.08S TC 8
METROPOLIS* FAIR 41 40 97 CALM 30.13R TC 5
ILZ067-068-072-073-078-083-087-091-200900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE FAIR 40 37 89 S5 30.08R TC 4
FLORA* FAIR 43 37 81 S3 30.08S TC 6
FAIRFIELD* FAIR 39 38 97 CALM 30.09S TC 4
HARRISBURG* FAIR 40 39 97 MISG 30.11S TC 4
ROBINSON* FAIR 45 39 81 W3 30.06S TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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