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ASUS43 KLOT 180401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-180500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 70 58 65 SW12 29.48R TC 21
STERLING* CLEAR 68 61 78 W12 29.46R TC 20
SAVANNA* CLOUDY 68 59 74 W14 29.46R TC 20
ILZ003-004-008-010-011-017-018-180500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 68 59 73 W10 29.44R TC 20
FREEPORT* PTCLDY 66 62 87 SW3 29.45R TC 19
DE KALB* CLEAR 67 62 82 W13 29.44R TC 20
ILZ005-006-012>014-019>023-180500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 69 64 84 W15 29.39R TC 21
CHICAGO-MIDWAY PTCLDY 68 65 90 W12 29.40R TC 20
AURORA PTCLDY 68 65 90 W18G26 29.43R TC 20
JOLIET* CLEAR 71 67 86 W13G18 29.44R TC 22
WAUKEGAN PTCLDY 63 61 93 SW14 29.36R TC 17
DUPAGE AIRPORT PTCLDY 68 65 90 W18G26 29.42R TC 20
KANKAKEE* CLEAR 69 67 94 W14 29.46R TC 21
WHEELING PTCLDY 67 63 87 W8 29.40R TC 19
LANSING* CLEAR 67 65 91 W14 29.41S TC 20
NORTHERLY ISL* N/A 69 63 81 SW9 N/A TC 21
LMZ740>746-180500-
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 62 49 1002.0R 2/ 5
WAUKEGAN HARBOR 61 53 250/ 8/ 10 997.5F 1/ 4
WILMETTE BUOY 63 280/ 12/ 17 996.7R 1/ 4
CHICAGO BUOY 68 58 240/ 14/ 21 994.4R 1/ 3
HARRISON CRIB 71 250/ 24/ 30 N/A
NORTHERLY ISL 68 240/ 9/ 12 N/A
CALUMET HARBOR 68 220/ 8/ 12 995.5
BURNS HARBOR 230/ 8/ 12 996.3R
MICHIGAN CITY 70 220/ 18/ 20 993.4R
MICH CITY BUOY 66 62 240/ 14/ 16 973.9R 1/ 2
ST. JOSEPH BUOY 67 65 210/ 12/ 16 996.2R 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-180500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 71 60 68 W3 29.57R TC 22
GALESBURG* CLEAR 68 58 68 SW9 29.55R TC 20
MACOMB* CLEAR 67 62 83 CALM 29.57S TC 20
JACKSONVILLE* PTCLDY 69 69 100 W5 29.57R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-180500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 71 68 90 W17 29.52R TC 22
DECATUR PTCLDY 71 70 96 W6 29.54R TC 22
PEORIA CLEAR 69 64 84 W7 29.53R TC 21
SPRINGFIELD PTCLDY 71 69 93 W10 29.55R TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 69 68 96 W6 29.53R TC 21
DANVILLE* PTCLDY 70 69 96 W10 29.52R TC 21
MATTOON MOCLDY 71 70 96 SW8 29.54R TC 22
PARIS* CLOUDY 70 70 98 SW8 29.53R TC 21
ILZ079-100>102-180500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 79 73 80 NW3 29.55S HX 83 TC 26
CAHOKIA* PTCLDY 84 71 65 SW6 29.54R HX 89 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 82 72 71 SW16 29.61R HX 87 TC 28
CAIRO* MOCLDY 82 76 81 SW9 29.66R HX 90 TC 28
EFFINGHAM* LGT RAIN 74 74 100 S6 29.57R TC 23
MARION MOCLDY 82 72 71 SW14G23 29.63R HX 86 TC 28
CENTRALIA* PTCLDY 81 70 69 SW18G25 29.57R HX 85 TC 27
SALEM* MOCLDY 82 72 72 MISG 29.56R HX 87 TC 28
ILZ067-068-072-073-078-083-087-091-180500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 81 70 69 SW25G39 29.54R HX 84 TC 27
FLORA* PTCLDY 81 72 74 SW21G29 29.55R HX 84 TC 27
FAIRFIELD* PTCLDY 81 70 68 SW15G22 29.59R HX 85 TC 27
HARRISBURG* MOCLDY 82 73 74 SW16G22 29.61F HX 87 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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