716
ASUS43 KLOT 300606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT THU APR 30 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.
ILZ001-002-007-009-015-016-024-300700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 40 34 79 CALM 30.05S TC 4
6HR MIN TEMP: 39; 6HR MAX TEMP: 57;
STERLING* CLEAR 40 37 89 CALM 30.06S TC 4
SAVANNA* CLOUDY 39 36 86 CALM 30.05S TC 4
ILZ003-004-008-010-011-017-018-300700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 36 35 96 CALM 30.05S TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 51;
FREEPORT* CLEAR 39 37 92 SW3 30.05S TC 4
ROCHELLE* CLEAR 36 33 91 CALM 30.05S TC 2
DE KALB* CLEAR 39 36 91 W5 30.04S TC 4
PERU* CLEAR 39 36 87 SW3 30.05F TC 4
ILZ005-006-012>014-019>023-300700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 41 39 93 SW5 30.02S TC 5
6HR MIN TEMP: 41; 6HR MAX TEMP: 47; 6HR PCP: TRACE;
CHICAGO-MIDWAY CLEAR 41 37 86 W3 30.03S TC 5
6HR MIN TEMP: 39; 6HR MAX TEMP: 46; 6HR PCP: TRACE;
AURORA CLEAR 36 36 100 CALM 30.03S TC 2
6HR MIN TEMP: 36; 6HR MAX TEMP: 50;
JOLIET* CLEAR 38 38 98 CALM 30.05S TC 4
WAUKEGAN CLEAR 38 37 97 W5 30.01S WCI 34 TC 3
6HR MIN TEMP: 35; 6HR MAX TEMP: 44; 6HR PCP: TRACE;
DUPAGE AIRPORT CLEAR 38 38 100 CALM 30.02S FOG TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 50; 6HR PCP: TRACE;
KANKAKEE* CLEAR 39 37 94 CALM 30.05S TC 4
WHEELING PTCLDY 41 39 93 CALM 30.04R TC 5
6HR MIN TEMP: 39; 6HR MAX TEMP: 45; 6HR PCP: TRACE;
MORRIS* CLEAR 39 36 87 NW3 30.04S TC 4
ROMEOVILLE* CLEAR 41 41 100 CALM 30.04S TC 5
LANSING* CLEAR 36 35 96 S3 30.04S TC 2
NORTHERLY ISL* N/A 44 35 70 W5 N/A TC 7
LMZ740>746-300700-
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 48 1011.4F 1/ 4
WAUKEGAN HARBOR 44 48 250/ 4/ 6 1016.5 1/ 4
HARRISON CRIB 45 CALM N/A
NORTHERLY ISL 44 260/ 2/ 5 N/A
CALUMET HARBOR 42 230/ 2/ 4 1016.5
BURNS HARBOR 44 340/ 5/ 6 1017.3S
MICHIGAN CITY 42 310/ 10/ 11 1016.3R
ST. JOSEPH BUOY 42 330/ 12/ 16 1016.8F 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-300700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 45 38 76 W5 30.08S TC 7
GALESBURG* CLEAR 39 32 77 SW3 30.08S TC 4
MACOMB* CLEAR 40 36 86 CALM 30.10S TC 4
JACKSONVILLE* CLEAR 43 37 78 W5 30.08S TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-300700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 42 38 85 MISG 30.05S TC 5
BLOOMINGTON CLEAR 42 35 76 NW3 30.06S TC 6
DECATUR CLEAR 45 36 70 NW3 30.06S TC 7
PEORIA CLEAR 40 36 86 CALM 30.06S TC 4
6HR MIN TEMP: 40; 6HR MAX TEMP: 57;
LACON* CLEAR 38 34 85 CALM 30.06R TC 3
LINCOLN* CLEAR 44 37 76 CALM 30.07R TC 7
SPRINGFIELD CLEAR 44 38 79 CALM 30.07S TC 7
6HR MIN TEMP: 43; 6HR MAX TEMP: 57;
TAYLORVILLE CLEAR 45 37 76 CALM 30.07F TC 7
ILZ033-039-045-046-055>057-062-063-300700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 43 40 89 CALM 30.05R TC 6
DANVILLE* CLEAR 41 39 93 N5 30.05S TC 5
RANTOUL* CLEAR 42 40 91 CALM 30.05S TC 6
MATTOON CLEAR 45 38 76 W3 30.05R TC 7
PARIS* CLEAR 44 39 83 CALM 30.05S TC 7
ILZ079-100>102-300700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 41 85 CALM 30.08S TC 7
BELLEVILLE CLEAR 48 40 73 N5 30.05S TC 9
CAHOKIA* CLEAR 50 38 63 N7 30.08R TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 49 40 71 N5 30.06R TC 9
6HR MIN TEMP: 49; 6HR MAX TEMP: 62;
CAIRO* PTCLDY 55 47 74 CALM 30.07R TC 13
EFFINGHAM* CLEAR 46 43 90 CALM 30.08S TC 8
MARION CLEAR 51 40 66 N5 30.07R TC 11
MT. VERNON PTCLDY 47 41 80 CALM 30.06S TC 8
CENTRALIA* PTCLDY 49 39 69 CALM 30.06S TC 9
SALEM* CLEAR 50 42 75 CALM 30.06S TC 10
METROPOLIS* PTCLDY 53 44 71 CALM 30.06R TC 12
ILZ067-068-072-073-078-083-087-091-300700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 50 37 61 N8 30.04F TC 10
FLORA* PTCLDY 48 41 76 N6 30.06S TC 9
FAIRFIELD* PTCLDY 51 38 63 N5 30.05S TC 10
HARRISBURG* CLEAR 48 43 81 N5 30.05S TC 9
ROBINSON* CLEAR 48 39 71 NW3 30.04F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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