961
ASUS43 KLOT 180610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-180700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 57 70 W12G22 29.51R TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 75;
STERLING* CLEAR 64 61 90 SW9 29.48R TC 18
SAVANNA* PTCLDY 67 58 72 W14G21 29.47R TC 20
ILZ003-004-008-010-011-017-018-180700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 59 83 SW6 29.46R TC 18
6HR MIN TEMP: 63; 6HR MAX TEMP: 71; 6HR PCP: TRACE;
FREEPORT* MOCLDY 64 61 91 W5 29.48R TC 18
ROCHELLE* MOCLDY 64 59 83 SW10 29.46R TC 18
DE KALB* PTCLDY 65 60 84 W12G17 29.46S TC 18
ILZ005-006-012>014-019>023-180700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 59 73 SW13G20 29.41S TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 70;
CHICAGO-MIDWAY PTCLDY 69 60 73 W13 29.42S TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 71;
AURORA PTCLDY 65 60 84 W8 29.44S TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 69;
JOLIET* CLEAR 69 64 84 W7 29.46S TC 21
WAUKEGAN CLEAR 63 59 87 W10G20 29.39R TC 17
6HR MIN TEMP: 62; 6HR MAX TEMP: 69; 6HR PCP: 0.26;
DUPAGE AIRPORT PTCLDY 65 60 84 W8 29.43S TC 18
6HR MIN TEMP: 65; 6HR MAX TEMP: 69;
KANKAKEE* CLEAR 66 65 94 W10 29.48S TC 19
WHEELING CLEAR 67 58 72 W9G24 29.43R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 69; 6HR PCP: 0.09;
ROMEOVILLE* CLEAR 68 66 94 SW10G16 29.45S TC 20
LANSING* CLEAR 67 60 77 W10 29.44S TC 20
NORTHERLY ISL* N/A 69 58 67 SW10 N/A TC 21
LMZ740>746-180700-
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 49 1000.9F 1/ 5
WAUKEGAN HARBOR 63 51 260/ 14/ 19 998.3 1/ 5
WILMETTE BUOY 64 270/ 14/ 19 997.6R 1/ 2
CHICAGO BUOY 69 58 270/ 12/ 16 995.2 1
HARRISON CRIB 71 260/ 18/ 21 N/A
NORTHERLY ISL 70 270/ 3/ 17 N/A
CALUMET HARBOR 70 240/ 7/ 12 996.6
BURNS HARBOR 270/ 10/ 12 996.6S
MICHIGAN CITY 68 230/ 19/ 22 994.3R
MICH CITY BUOY 65 62 270/ 16/ 19 974.5F 2/ 3
ST. JOSEPH BUOY 66 65 250/ 14/ 17 996.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 68 57 68 W8 29.60R TC 20
GALESBURG* CLEAR 69 56 62 W14G20 29.56R TC 21
MACOMB* PTCLDY 67 60 80 CALM 29.59R TC 19
JACKSONVILLE* CLEAR 69 69 100 W7 29.58R TC 21
PITTSFIELD* CLEAR 69 63 81 W5 29.62R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-180700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 66 63 89 MISG 29.49S TC 19
BLOOMINGTON CLEAR 67 61 81 W15 29.54S TC 19
DECATUR CLEAR 69 67 93 SW7 29.56R TC 21
PEORIA CLEAR 69 56 62 W9 29.53R TC 21
6HR MIN TEMP: 67; 6HR MAX TEMP: 72;
LACON* CLEAR 69 56 62 W8 29.50R TC 21
SPRINGFIELD CLEAR 67 66 97 SW7 29.56R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 73; 6HR PCP: 0.01;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 68 67 96 W9 29.54S TC 20
DANVILLE* PTCLDY 69 67 93 SW9 29.53S TC 21
MATTOON MOCLDY 71 69 93 W9 29.56R TC 22
PARIS* MOCLDY 70 69 98 W8 29.55S TC 21
ILZ079-100>102-180700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 75 72 90 W5 29.62R TC 24
BELLEVILLE MOCLDY 77 75 93 SW12 29.59 THUNDER TC 25
CAHOKIA* MOCLDY 75 72 90 W7 29.61R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 82 74 76 SW15G26 29.63R HX 88 TC 28
6HR MIN TEMP: 81; 6HR MAX TEMP: 84;
CAIRO* CLOUDY 82 76 83 SW10G18 29.66R HX 89 TC 28
EFFINGHAM* MOCLDY 73 72 96 SW12G22 29.62R TC 23
MARION CLOUDY 81 73 76 SW12G18 29.65R HX 86 TC 27
CENTRALIA* CLOUDY 82 71 69 W12 29.61R HX 85 TC 28
SALEM* TSTM 75 73 94 MISG 29.62R TC 24
METROPOLIS* CLOUDY 80 74 82 S8 29.67R HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-180700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE TSTM 75 73 93 W12G26 29.54S FOG TC 24
FLORA* LGT RAIN 79 72 78 W13G22 29.59R HX 82 TC 26
FAIRFIELD* MOCLDY 82 71 70 SW14G24 29.58R THUNDER HX 85
HARRISBURG* CLOUDY 82 75 81 SW15G21 29.63R HX 88 TC 28
ROBINSON* TSTM 73 72 94 SW18G24 29.55R FOG TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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