320
ASUS43 KLOT 230606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT THU APR 23 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.
ILZ001-002-007-009-015-016-024-230700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 61 57 87 S5 29.90S TC 16
6HR MIN TEMP: 61; 6HR MAX TEMP: 78;
STERLING* CLEAR 62 59 90 CALM 29.93S TC 17
SAVANNA* PTCLDY 63 57 81 S8 29.91S TC 17
ILZ003-004-008-010-011-017-018-230700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 55 44 66 VRB7 29.94F TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 76;
FREEPORT* PTCLDY 59 55 87 SE7 29.94S TC 15
ROCHELLE* CLEAR 57 50 77 SE12 29.94S TC 14
DE KALB* CLEAR 51 44 76 SE3 29.96S TC 11
ILZ005-006-012>014-019>023-230700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 52 37 56 CALM 29.94F TC 11
6HR MIN TEMP: 51; 6HR MAX TEMP: 60;
CHICAGO-MIDWAY CLEAR 50 43 77 CALM 29.95S TC 10
6HR MIN TEMP: 49; 6HR MAX TEMP: 59;
AURORA CLEAR 52 46 80 SE5 29.94F TC 11
6HR MIN TEMP: 52; 6HR MAX TEMP: 72;
JOLIET* CLEAR 52 48 86 CALM 29.95S TC 11
WAUKEGAN CLEAR 46 35 65 CALM 29.94S TC 8
6HR MIN TEMP: 43; 6HR MAX TEMP: 53;
DUPAGE AIRPORT CLEAR 51 40 65 CALM 29.94F TC 11
6HR MIN TEMP: 50; 6HR MAX TEMP: 64;
WHEELING CLEAR 51 37 58 CALM 29.96F TC 11
6HR MIN TEMP: 49; 6HR MAX TEMP: 55;
MORRIS* CLEAR 55 48 77 CALM 29.94F TC 13
NORTHERLY ISL* N/A 48 42 80 SE2 N/A TC 9
LMZ740>746-230700-
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 45 1009.7R 1
WAUKEGAN HARBOR 47 47 1014.7F 1
HARRISON CRIB 48 190/ 2/ 3 N/A
NORTHERLY ISL 46 CALM / 3 N/A
CALUMET HARBOR 47 320/ 1/ 2 1013.8
BURNS HARBOR 49 260/ 2/ 2 1014.9R
MICHIGAN CITY 51 120/ 2/ 2 1013.5S
ST. JOSEPH BUOY 51 120/ 4/ 6 1014.7F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-230700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 61 56 83 S5 29.91F TC 16
GALESBURG* CLEAR 58 58 100 S3 29.94S TC 14
MACOMB* CLEAR 58 57 97 CALM 29.95S TC 14
PITTSFIELD* CLEAR 58 58 99 SE5 29.94F TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-230700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 61 57 87 SW5 29.97S TC 16
DECATUR CLEAR 60 55 83 S5 29.96S TC 16
PEORIA CLEAR 60 56 86 S5 29.94S TC 16
6HR MIN TEMP: 60; 6HR MAX TEMP: 75;
LACON* CLEAR 60 54 81 CALM 29.93F TC 16
LINCOLN* CLEAR 61 57 88 CALM 29.95F TC 16
SPRINGFIELD CLEAR 58 55 90 CALM 29.95F TC 14
6HR MIN TEMP: 58; 6HR MAX TEMP: 75;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-230700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 59 54 83 S8 29.97S TC 15
DANVILLE* CLEAR 62 55 79 SW5 29.98S TC 17
RANTOUL* CLEAR 61 55 79 SW5 29.96F TC 16
MATTOON CLEAR 65 56 72 S6 29.97S TC 18
ILZ079-100>102-230700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 63 56 78 S6 29.97S TC 17
BELLEVILLE CLEAR 64 58 83 CALM 29.95S TC 18
CAHOKIA* CLEAR 60 56 86 SE3 29.96S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 59 53 80 S5 29.99S TC 15
6HR MIN TEMP: 58; 6HR MAX TEMP: 75;
CAIRO* CLEAR 59 56 90 CALM 30.01S TC 15
EFFINGHAM* CLEAR 62 57 85 SE3 30.00S TC 16
MARION CLEAR 60 52 75 S5 30.01F TC 16
MT. VERNON CLEAR 53 52 96 CALM 30.00S TC 12
CENTRALIA* CLEAR 62 54 74 CALM 29.99S TC 17
METROPOLIS* CLEAR 56 56 100 CALM 30.02S TC 13
ILZ067-068-072-073-078-083-087-091-230700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 61 53 75 S3 30.00S TC 16
FLORA* CLEAR 59 54 82 S5 30.00S TC 15
FAIRFIELD* CLEAR 61 53 73 CALM 30.00S TC 16
ROBINSON* PTCLDY 59 55 88 S5 29.99S TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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