925
ASUS43 KLOT 201703
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SAT JUN 20 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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 74 55 51 W12 29.99F TC 23
STERLING* SUNNY 73 55 53 W13G18 30.00F TC 23
SAVANNA* SUNNY 73 52 47 NW10 30.00F TC 23
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 72 53 51 NW14 29.99S TC 22
FREEPORT* MOSUNNY 72 55 55 W16 30.01S TC 22
DE KALB* SUNNY 71 54 54 W16G22 29.99F TC 22
PERU* SUNNY 73 55 53 NW10G16 30.01S TC 23
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 73 50 44 W13G25 29.95F TC 23
CHICAGO-MIDWAY MOSUNNY 73 51 46 W14 29.96F TC 23
AURORA MOSUNNY 73 55 53 NW15G21 29.98S TC 23
JOLIET* MOSUNNY 74 54 48 W8 29.99S TC 24
WAUKEGAN PTSUNNY 70 55 59 W8 29.95R TC 21
DUPAGE AIRPORT MOSUNNY 72 53 51 W10G21 29.97S TC 22
KANKAKEE* SUNNY 74 51 44 NW16 30.00S TC 23
WHEELING MOSUNNY 72 53 51 W14G22 29.97S TC 22
ROMEOVILLE* MOSUNNY 73 55 53 W10G20 29.98F TC 23
LANSING* SUNNY 73 51 45 W9G17 29.97F TC 23
NORTHERLY ISL* N/A 72 48 42 W9 N/A TC 22
LMZ740>746-201800-
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 65 54 1013.7R 1
WAUKEGAN HARBOR 66 53 280/ 8/ 16 1014.7S 1
WILMETTE BUOY 63 40/ 4/ 8 1016.9R 1
CHICAGO BUOY 68 61 320/ 8/ 16 1013.3F 1/ 2
HARRISON CRIB 67 80/ 4/ 5 N/A
NORTHERLY ISL 71 250/ 12/ 17 N/A
CALUMET HARBOR 74 260/ 4/ 10 1014.7S
BURNS HARBOR 60/ 2/ 3 1015.6S
MICHIGAN CITY 67 330/ 1/ 2 1013.9F
MICH CITY BUOY 64 63 310/ 2/ 4 993.5F 1/ 3
ST. JOSEPH BUOY 63 64 290/ 8/ 10 1015.8S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 74 59 59 VRB5 30.03S TC 23
GALESBURG* SUNNY 74 55 50 NW6 30.03S TC 23
MACOMB* SUNNY 76 58 52 CALM 30.04F TC 25
JACKSONVILLE* CLOUDY 74 60 60 NW5 30.03S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 77 56 48 W12 30.02S TC 25
DECATUR MOSUNNY 77 58 51 N7 30.01F TC 25
PEORIA SUNNY 76 55 48 NW9 30.01S TC 24
SPRINGFIELD CLOUDY 75 56 51 N5 30.02S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 76 56 49 W12G18 30.01S TC 24
DANVILLE* SUNNY 76 57 50 W3 30.00F TC 25
MATTOON SUNNY 78 65 63 NW8 30.00S HX 80 TC 26
PARIS* MOSUNNY 77 61 56 W8 30.00F TC 25
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 63 57 NW6 30.02S HX 80 TC 26
BELLEVILLE SUNNY 84 67 56 NW7 29.99S HX 86 TC 29
CAHOKIA* MOSUNNY 83 62 49 SW3 30.00S HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 83 61 47 W7 30.02S HX 83 TC 28
CAIRO* MOSUNNY 81 66 59 CALM 30.04F HX 83 TC 27
MARION MOSUNNY 82 63 51 W12 30.02F HX 83 TC 28
MT. VERNON MOSUNNY 84 60 44 W5 30.01S HX 84 TC 29
CENTRALIA* PTSUNNY 84 61 46 CALM 30.01F HX 84 TC 29
SALEM* SUNNY 82 64 54 MISG 30.01S HX 84 TC 28
METROPOLIS* MOSUNNY 80 66 60 W3 30.04S HX 82 TC 27
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 81 64 56 MISG 29.99F HX 82 TC 27
FLORA* SUNNY 81 64 57 NW8 30.01S HX 82 TC 27
FAIRFIELD* MOSUNNY 83 60 44 W5 30.00S HX 83 TC 29
HARRISBURG* MOSUNNY 83 63 50 SW5 30.02F HX 84 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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