364
ASUS43 KLOT 210901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT TUE OCT 21 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.
ILZ001-002-007-009-015-016-024-211000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 46 41 82 SW8 29.79F TC 8
STERLING* CLEAR 45 45 100 SW8 29.78F TC 7
ILZ003-004-008-010-011-017-018-211000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 44 42 93 S6 29.76S TC 7
ROCHELLE* CLEAR 44 42 95 SW10 29.77S TC 7
DE KALB* CLEAR 46 44 93 SW8 29.77S TC 8
PERU* CLEAR 47 44 90 SW6 29.80S TC 8
ILZ005-006-012>014-019>023-211000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 49 44 83 SW8 29.74S TC 9
CHICAGO-MIDWAY CLEAR 49 46 90 SW10 29.76S TC 9
AURORA CLEAR 45 44 97 SW9 29.76S TC 7
JOLIET* CLEAR 50 47 90 SW7 29.79S TC 10
WAUKEGAN CLEAR 49 41 74 W10G20 29.71R TC 9
DUPAGE AIRPORT CLEAR 47 44 90 SW12 29.76S TC 8
WHEELING CLEAR 50 44 80 W8 29.75R TC 10
MORRIS* CLEAR 46 46 99 W7 29.78S TC 8
LANSING* CLEAR 47 42 80 SW6 29.78R TC 9
NORTHERLY ISL* N/A 51 43 74 W8 N/A TC 11
LMZ740>746-211000-
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 54 270/ 23/ 29 1005.0R
WINTHROP HARBOR 51 56 N/A 1/ 5
WAUKEGAN HARBOR 52 56 N/A 1/ 5
WILMETTE BUOY 54 300/ 16/ 19 1007.2R 2/ 3
CHICAGO BUOY 54 250/ 14/ 19 N/A 1
HARRISON CRIB 53 270/ 17/ 19 N/A
NORTHERLY ISL 52 260/ 6/ 13 N/A
CALUMET HARBOR 51 230/ 6/ 9 1006.8
BURNS HARBOR 55 280/ 12/ 18 1008.1R
MICHIGAN CITY 55 270/ 28/ 32 1005.9R
ST. JOSEPH BUOY 55 58 240/ 27/ 35 1007.4R 6/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-211000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 44 40 85 SW7 29.90S TC 7
GALESBURG* CLEAR 43 38 83 S5 29.84S TC 6
MACOMB* CLEAR 47 41 80 SW10 29.88S TC 8
JACKSONVILLE* CLEAR 47 40 76 SW6 29.90S TC 9
PITTSFIELD* CLEAR 52 41 66 CALM 29.92S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-211000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 49 44 83 W13 29.86R TC 9
DECATUR CLEAR 49 43 80 SW7 29.89R TC 9
PEORIA CLEAR 46 43 89 SW5 29.85S TC 8
LACON* CLEAR 45 41 86 SW6 29.82S TC 7
SPRINGFIELD CLEAR 45 40 82 SW6 29.89S TC 7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 46 42 86 SW6 29.87R TC 8
MATTOON CLEAR 51 44 77 W9 29.88R TC 11
PARIS* CLEAR 49 46 87 CALM 29.87R TC 10
ILZ079-100>102-211000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 51 43 76 MISG 29.93F TC 10
CAHOKIA* CLEAR 55 44 66 W5 29.94R TC 13
SPARTA* CLEAR 58 45 62 W3 29.96S TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 58 46 64 NW6 29.94R TC 14
EFFINGHAM* CLEAR 51 44 77 SW3 29.93R TC 10
MT. VERNON CLEAR 58 43 57 CALM 29.93R TC 14
CENTRALIA* CLEAR 53 42 65 W7 29.93S TC 12
SALEM* CLEAR 53 44 69 W5 29.92F TC 12
METROPOLIS* CLEAR 58 49 71 SW5 29.95R TC 15
ILZ067-068-072-073-078-083-087-091-211000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 56 47 71 NW9 29.89R TC 13
FLORA* CLEAR 55 45 67 W8 29.92R TC 13
FAIRFIELD* CLEAR 57 45 64 NW3 29.92R TC 14
HARRISBURG* CLEAR 54 48 80 MISG 29.93R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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