274
ASUS43 KLOT 180710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 55 65 W14 29.53R TC 19
STERLING* CLEAR 65 60 84 W15 29.50R TC 18
SAVANNA* CLEAR 66 56 69 W10G18 29.50R TC 19
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 63 59 87 W9 29.47R TC 17
FREEPORT* CLEAR 62 61 95 W8 29.50R TC 17
ROCHELLE* MOCLDY 64 58 79 W15 29.48R TC 18
DE KALB* MOCLDY 64 60 85 W10G16 29.48R TC 18
PERU* CLEAR 68 57 68 W14 29.49R TC 20
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 59 75 W12G18 29.42R TC 19
CHICAGO-MIDWAY PTCLDY 68 59 73 W12 29.43R TC 20
AURORA PTCLDY 64 60 87 W10 29.45R TC 18
JOLIET* CLEAR 69 63 82 W9 29.47R TC 20
WAUKEGAN CLEAR 62 59 90 W9 29.41R TC 17
DUPAGE AIRPORT MOCLDY 67 60 78 W12G21 29.44R TC 19
KANKAKEE* CLEAR 67 61 81 W16 29.49R TC 19
WHEELING PTCLDY 65 59 81 W6 29.44R TC 18
ROMEOVILLE* CLEAR 68 63 83 W14G22 29.46R TC 20
LANSING* CLEAR 67 60 78 W12 29.45R TC 19
NORTHERLY ISL* N/A 69 58 67 W7 N/A TC 21
LMZ740>746-180800-
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 49 1000.1F 1/ 5
WAUKEGAN HARBOR 62 50 260/ 12/ 16 999.0 1
WILMETTE BUOY 62 300/ 12/ 17 997.9R 1/ 3
CHICAGO BUOY 69 58 260/ 12/ 16 995.5 1
HARRISON CRIB 70 270/ 16/ 18 N/A
NORTHERLY ISL 69 250/ 5/ 13 N/A
CALUMET HARBOR 69 240/ 6/ 11 996.6
BURNS HARBOR 260/ 8/ 9 997.3R
MICHIGAN CITY 67 250/ 18/ 19 994.3S
MICH CITY BUOY 65 61 260/ 12/ 17 974.8R 2/ 4
ST. JOSEPH BUOY 67 65 270/ 17/ 23 996.8R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 70 57 63 W12 29.62R TC 21
GALESBURG* CLEAR 66 54 63 W13G22 29.57R TC 19
MACOMB* CLEAR 65 60 83 W9 29.60R TC 18
JACKSONVILLE* CLEAR 67 67 100 SW7 29.60R TC 20
PITTSFIELD* CLEAR 69 60 72 W5 29.62S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 67 59 77 MISG 29.50S TC 19
BLOOMINGTON CLEAR 70 56 61 W13 29.55R TC 21
DECATUR CLEAR 68 66 93 W9 29.57R TC 20
PEORIA CLEAR 69 56 62 W12 29.54R TC 21
LACON* CLEAR 68 55 61 W13G20 29.51R TC 20
SPRINGFIELD CLEAR 65 64 97 SW6 29.58R TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 65 93 SW9 29.56R TC 19
DANVILLE* CLEAR 68 66 93 SW8 29.55R TC 20
MATTOON MOCLDY 70 68 93 SW7 29.58R TC 21
PARIS* PTCLDY 69 68 97 W8 29.57R TC 21
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 74 69 83 W8 29.63S TC 24
BELLEVILLE PTCLDY 77 75 95 W9 29.61R TC 25
CAHOKIA* PTCLDY 75 73 93 W3 29.63R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 81 74 79 SW14 29.63S HX 86 TC 27
CAIRO* CLOUDY 82 76 83 SW14 29.69S HX 89 TC 28
EFFINGHAM* CLOUDY 72 72 100 SW5 29.62R TC 22
MARION MOCLDY 80 74 79 SW13G18 29.64F HX 85 TC 27
CENTRALIA* CLOUDY 76 73 90 W7 29.62S TC 25
SALEM* CLOUDY 75 75 98 MISG 29.62S TC 24
METROPOLIS* CLOUDY 80 74 83 S7 29.68S HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 72 70 93 W10G20 N/A TC 22
FLORA* CLOUDY 73 73 100 W8 29.61S TC 23
FAIRFIELD* CLOUDY 82 71 70 SW16G24 29.59S HX 86 TC 28
HARRISBURG* MOCLDY 82 75 81 SW14G21 29.63S HX 88 TC 28
ROBINSON* MOCLDY 73 73 100 W13 29.56F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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