616
ASUS43 KLOT 180906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT THU JUN 18 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.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 55 75 W15 29.58R TC 17
STERLING* CLEAR 63 58 83 W13G21 29.55R TC 17
SAVANNA* CLEAR 64 56 76 W13 29.55R TC 18
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 62 56 80 W14 29.52R TC 17
FREEPORT* CLEAR 61 58 90 W12G20 29.54R TC 16
ROCHELLE* CLEAR 62 55 77 W14 29.52R TC 17
DE KALB* CLEAR 62 57 85 W10G17 29.50R TC 17
PERU* CLEAR 64 57 77 W12 29.54R TC 18
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 58 78 W14G22 29.45R TC 18
CHICAGO-MIDWAY CLEAR 66 58 75 W12 29.46R TC 19
AURORA CLEAR 63 58 83 W14 29.48R TC 17
JOLIET* CLEAR 66 60 81 W8 29.50R TC 19
WAUKEGAN CLEAR 61 58 90 W9 29.44R TC 16
DUPAGE AIRPORT CLEAR 64 59 83 W14 29.47R TC 18
KANKAKEE* CLEAR 65 57 76 W16 29.52R TC 18
WHEELING CLEAR 64 59 83 W9 29.47R TC 18
ROMEOVILLE* CLEAR 64 61 88 W12 29.49R TC 18
LANSING* CLEAR 65 58 76 W9G17 29.47R TC 19
NORTHERLY ISL* N/A 66 57 72 W5 N/A TC 19
LMZ740>746-181000-
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 60 50 999.1F 1/ 4
WAUKEGAN HARBOR 60 50 260/ 10/ 16 999.8 1
WILMETTE BUOY 60 300/ 10/ 12 998.6F 1
CHICAGO BUOY 66 58 280/ 14/ 19 996.2 1
HARRISON CRIB 68 270/ 16/ 18 N/A
NORTHERLY ISL 67 260/ 8/ 13 N/A
CALUMET HARBOR 67 240/ 7/ 10 997.5S
BURNS HARBOR 270/ 9/ 11 998.0R
MICHIGAN CITY 66 250/ 17/ 19 995.7R
MICH CITY BUOY 63 61 280/ 8/ 14 975.8R 2/ 4
ST. JOSEPH BUOY 65 64 280/ 17/ 21 998.1R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 66 52 60 NW9 29.66R TC 19
GALESBURG* CLEAR 62 54 75 W10 29.63R TC 17
MACOMB* CLEAR 63 56 78 W14 29.65R TC 17
JACKSONVILLE* CLEAR 64 58 82 W12 29.65R TC 18
PITTSFIELD* CLEAR 67 57 71 W6 29.68R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 65 58 77 MISG 29.54R TC 18
BLOOMINGTON CLEAR 65 58 78 W12 29.59R TC 18
DECATUR CLEAR 68 63 84 W12 29.61R TC 20
PEORIA CLEAR 65 53 65 W9G20 29.58R TC 18
LACON* CLEAR 64 54 68 W10G17 29.56R TC 18
SPRINGFIELD CLEAR 65 59 81 W9 29.62R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 66 65 96 W10 29.58R TC 19
DANVILLE* CLEAR 66 63 89 SW10 29.56R TC 19
MATTOON CLEAR 68 65 90 SW9 29.60R TC 20
PARIS* CLEAR 67 66 97 W8 29.59R TC 19
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 69 66 88 W6 29.66S TC 21
BELLEVILLE PTCLDY 74 73 97 SW6 29.65R TC 23
CAHOKIA* PTCLDY 73 71 93 SW6 29.66R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 80 74 81 W10 29.66R HX 85 TC 27
CAIRO* CLOUDY 81 76 86 SW12 29.70R HX 87 TC 27
EFFINGHAM* CLEAR 71 71 100 W8 29.65R TC 22
MARION CLOUDY 80 74 82 SW8 29.68R HX 84 TC 27
CENTRALIA* CLOUDY 74 73 95 CALM 29.66R FOG TC 24
SALEM* MOCLDY 74 74 99 MISG 29.65 TC 23
METROPOLIS* CLOUDY 80 74 81 S9G17 29.69S HX 85 TC 27
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 71 69 93 W7 N/A TC 22
FLORA* PTCLDY 73 N/A N/A W9 29.65R TC 23
FAIRFIELD* MOCLDY 77 71 81 W3 29.64R TC 25
HARRISBURG* CLOUDY 79 76 91 W12 29.66R HX 83 TC 26
ROBINSON* CLOUDY 70 70 100 W8 29.60R TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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