385
ASUS43 KLOT 200910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SAT JUN 20 2026
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.
ILZ001-002-007-009-015-016-024-201000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 59 58 96 SW6 29.99S TC 15
STERLING* CLEAR 59 59 100 W7 29.98S TC 15
SAVANNA* CLEAR 60 55 82 W7 29.98S TC 16
ILZ003-004-008-010-011-017-018-201000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 59 55 87 W8 29.96S TC 15
FREEPORT* CLEAR 58 56 95 SW10 29.97S TC 14
ROCHELLE* CLEAR 56 54 91 W6 29.97R TC 14
DE KALB* CLEAR 59 55 89 W8 29.96S TC 15
PERU* CLEAR 63 59 88 W7 29.98F TC 17
ILZ005-006-012>014-019>023-201000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 64 55 72 SW9 29.92F TC 18
CHICAGO-MIDWAY PTCLDY 63 58 83 SW9 29.93F TC 17
AURORA CLEAR 58 56 93 W7 29.94F TC 14
JOLIET* CLEAR 64 60 87 W3 29.96F TC 18
WAUKEGAN CLEAR 61 54 77 W9 29.91R TC 16
DUPAGE AIRPORT CLEAR 61 57 87 W9 29.94S TC 16
KANKAKEE* CLOUDY 64 59 83 NW7 29.98F TC 18
WHEELING CLEAR 63 55 75 W6 29.94S TC 17
ROMEOVILLE* CLOUDY 63 61 94 SW7 29.96F TC 17
LANSING* PTCLDY 60 58 93 S5 29.96S TC 15
NORTHERLY ISL* N/A 66 52 60 SW8 N/A TC 19
LMZ740>746-201000-
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 61 53 1012.3 1
WAUKEGAN HARBOR 61 52 260/ 10/ 14 1013.3 0
WILMETTE BUOY 62 280/ 10/ 14 1014.8S 1
CHICAGO BUOY 66 61 240/ 14/ 17 1012.2 1
HARRISON CRIB 67 240/ 16/ 20 N/A
NORTHERLY ISL 67 250/ 5/ 11 N/A
CALUMET HARBOR 67 240/ 3/ 8 1014.0F
BURNS HARBOR 250/ 8/ 10 1014.6R
MICHIGAN CITY 67 230/ 18/ 20 1012.3R
MICH CITY BUOY 65 63 250/ 14/ 17 992.0S 2/ 3
ST. JOSEPH BUOY 66 64 250/ 16/ 19 1013.6F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 61 84 SW6 30.01S TC 19
GALESBURG* CLOUDY 62 60 94 NW6 30.03R TC 17
MACOMB* CLOUDY 65 64 96 CALM 30.03S TC 18
JACKSONVILLE* CLOUDY 65 65 100 CALM 30.01R TC 18
PITTSFIELD* CLOUDY 67 63 86 CALM 30.03S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-201000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 64 62 93 MISG 29.98S TC 18
BLOOMINGTON CLOUDY 67 62 84 W8 29.99S TC 19
DECATUR CLOUDY 69 60 73 W8 30.00S TC 21
PEORIA CLOUDY 67 61 81 NW3 29.99R TC 19
LACON* PTCLDY 62 58 84 N3 29.99R TC 17
SPRINGFIELD CLOUDY 66 61 84 SW3 30.00S TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 66 63 90 SW6 29.98F TC 19
DANVILLE* CLOUDY 66 62 87 SW6 29.98S TC 19
MATTOON CLOUDY 69 59 70 SW7 29.99R TC 21
PARIS* CLOUDY 66 60 81 SW7 29.99S TC 19
ILZ079-100>102-201000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 66 64 91 CALM 30.01S TC 19
BELLEVILLE CLOUDY 69 62 80 CALM 29.98S TC 20
CAHOKIA* MOCLDY 68 60 75 SW3 30.00R TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 64 63 96 S3 30.01S TC 18
CAIRO* CLEAR 65 65 99 CALM 30.02S TC 19
EFFINGHAM* MOCLDY 65 65 99 CALM 30.01S TC 18
MARION PTCLDY 65 65 98 S5 30.02S TC 18
MT. VERNON MOCLDY 62 61 96 CALM 30.01S TC 17
CENTRALIA* MOCLDY 69 57 67 CALM 30.00F TC 20
SALEM* MOCLDY 67 61 79 MISG 30.00S TC 20
METROPOLIS* PTCLDY 62 62 100 CALM 30.03S TC 17
ILZ067-068-072-073-078-083-087-091-201000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 65 63 93 S3 30.00R TC 18
FLORA* MOCLDY 64 61 88 SW3 30.01S TC 18
FAIRFIELD* MOCLDY 63 60 90 CALM 30.01S TC 17
HARRISBURG* MOCLDY 63 62 97 CALM 30.02S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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