591
ASUS43 KLOT 180307
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT WED JUN 17 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.
ILZ001-002-007-009-015-016-024-180400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 71 59 65 SW10 29.46R TC 22
STERLING* CLEAR 69 61 75 SW13 29.45R TC 21
SAVANNA* CLEAR 71 57 61 W10G18 29.43R TC 22
ILZ003-004-008-010-011-017-018-180400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 68 60 75 W9 29.41R TC 20
FREEPORT* CLEAR 69 62 78 NW9 29.43R TC 21
ROCHELLE* PTCLDY 69 60 73 W13 29.43R TC 21
DE KALB* CLEAR 68 65 89 W14G25 29.42R TC 20
ILZ005-006-012>014-019>023-180400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 64 90 SW12G20 29.35S TC 19
CHICAGO-MIDWAY PTCLDY 67 65 93 W10 29.38R TC 19
AURORA PTCLDY 67 65 93 SW14 29.40R TC 19
JOLIET* CLEAR 69 68 98 SW7 29.42R TC 21
WAUKEGAN LGT RAIN 65 63 93 SW12 29.35R TC 18
DUPAGE AIRPORT CLEAR 66 64 93 SW17 29.37S TC 19
KANKAKEE* PTCLDY 69 67 94 SW7 29.44S TC 21
WHEELING CLEAR 67 64 90 SW8 29.37R TC 19
LANSING* PTCLDY 66 66 99 SW8 29.41R TC 19
NORTHERLY ISL* N/A 67 63 87 W10 N/A TC 19
LMZ740>746-180400-
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 1001.8R 3/ 5
WAUKEGAN HARBOR 62 53 310/ 6/ 10 997.7 2/ 5
WILMETTE BUOY 62 230/ 8/ 12 996.0R 2/ 4
CHICAGO BUOY 66 58 230/ 12/ 17 993.7 1/ 3
HARRISON CRIB 69 230/ 17/ 19 N/A
NORTHERLY ISL 67 210/ 6/ 9 N/A
CALUMET HARBOR 67 210/ 6/ 8 995.1
BURNS HARBOR 210/ 7/ 9 995.9R
MICHIGAN CITY 67 190/ 10/ 11 993.3R
MICH CITY BUOY 66 62 210/ 14/ 17 973.7R 1/ 2
ST. JOSEPH BUOY 67 65 190/ 12/ 17 995.5F 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-180400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 73 64 73 NW13 29.55R TC 23
MACOMB* CLEAR 70 63 78 CALM 29.55R TC 21
PITTSFIELD* MOCLDY 72 71 98 CALM 29.56R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-180400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 69 68 98 MISG 29.46R TC 21
BLOOMINGTON PTCLDY 70 70 100 W12 29.51R TC 21
DECATUR PTCLDY 72 70 93 W8 29.50R TC 22
PEORIA CLEAR 68 67 96 W7 29.50R TC 20
LACON* PTCLDY 69 65 88 W8 29.48R TC 21
SPRINGFIELD PTCLDY 72 70 93 W9 29.50R TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 70 69 97 SW10 29.49R TC 21
DANVILLE* PTCLDY 70 68 95 SW9 29.48R TC 21
MATTOON RAIN 71 69 93 SW3 29.51R FOG TC 22
PARIS* CLOUDY 70 69 98 SW13 29.51F TC 21
ILZ079-100>102-180400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 84 70 61 W10 29.53R HX 88 TC 29
BELLEVILLE PTCLDY 84 73 69 SW12 29.52R HX 91 TC 29
CAHOKIA* MOCLDY 85 71 63 SW8 29.53R HX 90 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 82 72 71 SW18G28 29.60R HX 87 TC 28
CAIRO* CLOUDY 83 75 76 SW12G21 29.63R HX 91 TC 29
EFFINGHAM* MOCLDY 77 75 93 S9G16 29.52F TC 25
MARION CLOUDY 82 71 69 SW13G20 29.62R HX 86 TC 28
CENTRALIA* MOCLDY 82 70 68 SW17G23 29.55R HX 85 TC 28
SALEM* MOCLDY 82 72 72 MISG 29.52S HX 86 TC 28
ILZ067-068-072-073-078-083-087-091-180400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 81 71 71 SW29G40 29.52R HX 85 TC 27
FLORA* CLOUDY 81 72 74 SW23G31 29.53S HX 84 TC 27
FAIRFIELD* MOCLDY 82 69 65 SW14G21 29.57R HX 85 TC 28
HARRISBURG* CLOUDY 82 72 69 SW12G20 29.61R HX 87 TC 28
ROBINSON* LGT RAIN 79 72 78 SW20G26 29.51R HX 82 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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