480
ASUS43 KLOT 110912
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SAT APR 11 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.
ILZ001-002-007-009-015-016-024-111000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 36 34 92 CALM 30.36S TC 2
STERLING* CLEAR 38 38 100 E3 30.39R TC 3
SAVANNA* CLEAR 34 32 94 CALM 30.38S TC 1
ILZ003-004-008-010-011-017-018-111000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 32 32 100 CALM 30.41R TC 0
FREEPORT* N/A 36 35 95 CALM 30.40S TC 2
ROCHELLE* CLEAR 37 36 95 E6 30.39S FOG WCI 32
DE KALB* CLEAR 35 35 100 CALM 30.40R FOG TC 2
PERU* CLEAR 37 37 97 NE5 30.38S FOG WCI 34
ILZ005-006-012>014-019>023-111000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 37 33 85 CALM 30.39R TC 3
CHICAGO-MIDWAY PTCLDY 39 35 86 CALM 30.40R TC 4
AURORA CLEAR 33 33 100 NE3 30.39R FOG TC 1
JOLIET* CLEAR 37 37 100 CALM 30.40S TC 3
WAUKEGAN PTCLDY 29 29 100 W3 30.40R TC -2
DUPAGE AIRPORT CLEAR 32 32 100 N3 30.39R TC 0
KANKAKEE* FOG 37 36 95 NE3 30.40S VSB 1/2 TC 3
WHEELING PTCLDY 34 33 96 CALM 30.41S FOG TC 1
MORRIS* CLEAR 37 37 100 CALM 30.39S FOG TC 3
ROMEOVILLE* CLEAR 36 36 100 CALM 30.41R FOG TC 2
LANSING* FOG 33 33 99 CALM 30.41S VSB 3/4 TC 0
NORTHERLY ISL* N/A 40 33 76 CALM N/A TC 4
LMZ740>746-111000-
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 38 40 80/ 2/ 2 1022.1 1
WAUKEGAN HARBOR 39 43 300/ 4/ 4 1030.1 1/ 3
HARRISON CRIB 42 170/ 3/ 3 N/A
NORTHERLY ISL 40 110/ 1/ 3 N/A
CALUMET HARBOR 39 CALM / 1 1028.9R
BURNS HARBOR 41 CALM / 1 1029.8R
MICHIGAN CITY 38 CALM 1029.6R
ST. JOSEPH BUOY 39 280/ 4/ 6 1029.9R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-111000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 45 43 93 E7 30.33F TC 7
GALESBURG* CLEAR 36 36 100 NE3 30.37S TC 2
MACOMB* CLEAR 38 38 100 CALM 30.38R TC 4
JACKSONVILLE* CLEAR 39 39 98 E6 30.35S WCI 35 TC 4
PITTSFIELD* MOCLDY 46 45 98 E3 30.35S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-111000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 39 38 93 MISG 30.39R TC 4
BLOOMINGTON CLEAR 38 37 97 E6 30.38R WCI 33 TC 3
DECATUR PTCLDY 39 38 96 NE5 30.36R TC 4
PEORIA CLEAR 41 40 96 NE3 30.37R TC 5
LACON* CLEAR 39 36 89 CALM 30.37R TC 4
LINCOLN* CLEAR 40 38 93 NE3 30.37S TC 5
SPRINGFIELD CLEAR 41 41 100 CALM 30.36R TC 5
TAYLORVILLE PTCLDY 45 43 93 E5 30.35S TC 7
ILZ033-039-045-046-055>057-062-063-111000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 41 40 96 E7 30.37R TC 5
DANVILLE* CLEAR 41 39 90 NE5 30.39R TC 5
RANTOUL* CLEAR 40 38 94 NE5 30.38R TC 4
MATTOON PTCLDY 43 40 89 NE6 30.35R TC 6
PARIS* PTCLDY 43 39 86 MISG 30.37R TC 6
ILZ079-100>102-111000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 48 45 88 CALM 30.35R TC 9
BELLEVILLE CLEAR 51 49 92 CALM 30.32R TC 11
CAHOKIA* PTCLDY 50 47 89 E6 30.33R TC 10
SPARTA* CLEAR 48 48 100 E5 30.33S TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-111000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 53 49 86 NE7 30.32S TC 12
CAIRO* CLOUDY 59 57 91 NE6 30.30R TC 15
EFFINGHAM* PTCLDY 46 45 94 CALM 30.36S TC 8
MARION CLOUDY 51 50 96 NE5 30.33S TC 11
MT. VERNON CLEAR 49 46 90 NE7 30.32F TC 9
CENTRALIA* CLEAR 49 46 88 CALM 30.33S TC 10
SALEM* CLEAR 50 45 82 CALM 30.33S TC 10
METROPOLIS* CLOUDY 58 57 96 CALM 30.30S TC 15
ILZ067-068-072-073-078-083-087-091-111000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 48 43 82 NE6 30.34S TC 9
FLORA* CLEAR 48 45 87 NE5 30.34S TC 9
FAIRFIELD* PTCLDY 49 45 88 N5 30.33F TC 9
HARRISBURG* CLEAR 52 48 87 NE6 30.32F FOG TC 11
ROBINSON* PTCLDY 46 43 87 NE6 30.35R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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