415
ASUS43 KLOT 120603
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SUN APR 12 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.
ILZ001-002-007-009-015-016-024-120700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 57 50 77 S14 30.02F TC 14
6HR MIN TEMP: 52; 6HR MAX TEMP: 57;
STERLING* MOCLDY 55 43 63 SE7 30.06F TC 13
SAVANNA* MOCLDY 52 41 66 S8 30.04F TC 11
ILZ003-004-008-010-011-017-018-120700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 54 41 61 SE10 30.09F TC 12
6HR MIN TEMP: 53; 6HR MAX TEMP: 54; 6HR PCP: TRACE;
FREEPORT* MOCLDY 55 43 64 S17 30.06F TC 13
ROCHELLE* MOCLDY 52 40 63 S15 30.09F TC 11
DE KALB* MOCLDY 53 43 68 SE14 30.11F TC 12
PERU* MOCLDY 56 42 59 SE9 30.10F TC 14
ILZ005-006-012>014-019>023-120700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 56 41 57 SE9 30.12F TC 13
6HR MIN TEMP: 48; 6HR MAX TEMP: 56;
CHICAGO-MIDWAY CLOUDY 58 40 51 S12G18 30.13F TC 14
6HR MIN TEMP: 49; 6HR MAX TEMP: 58; 6HR PCP: TRACE;
AURORA CLOUDY 56 43 61 S12 30.11F TC 13
6HR MIN TEMP: 53; 6HR MAX TEMP: 56; 6HR PCP: TRACE;
JOLIET* CLOUDY 58 43 55 S9 30.14S TC 15
WAUKEGAN CLOUDY 49 41 74 SE10 30.12F TC 9
6HR MIN TEMP: 42; 6HR MAX TEMP: 50;
DUPAGE AIRPORT MOCLDY 56 42 59 S10 30.11F TC 13
6HR MIN TEMP: 52; 6HR MAX TEMP: 56; 6HR PCP: TRACE;
KANKAKEE* CLOUDY 55 41 60 SE9 30.16F TC 13
WHEELING CLOUDY 55 42 61 S9 30.13F TC 13
6HR MIN TEMP: 46; 6HR MAX TEMP: 55; 6HR PCP: TRACE;
MORRIS* CLOUDY 59 42 54 CALM 30.12S TC 15
ROMEOVILLE* CLOUDY 57 43 58 SE15G22 30.14F TC 14
LANSING* CLOUDY 56 40 54 S10 30.16F TC 14
NORTHERLY ISL* N/A 51 43 74 SE5 N/A TC 11
LMZ740>746-120700-
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 41 41 290/ 6/ 6 1020.2F 1/ 3
WAUKEGAN HARBOR 44 43 100/ 6/ 8 1022.2F 0
HARRISON CRIB 50 160/ 14/ 15 N/A
NORTHERLY ISL 51 130/ 5/ 5 N/A
CALUMET HARBOR 140/ 8/ 14 1020.6
BURNS HARBOR 56 150/ 5/ 11 1022.0F
MICHIGAN CITY 56 150/ 17/ 22 1020.6F
ST. JOSEPH BUOY 53 140/ 14/ 17 1023.1R 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-120700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 64 57 78 S12 30.04F TC 18
MACOMB* MOCLDY 57 55 93 CALM 30.08F TC 14
JACKSONVILLE* PTCLDY 64 55 73 S12G17 30.09F TC 18
PITTSFIELD* PTCLDY 60 57 89 SE6 30.08F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-120700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 56 42 60 MISG 30.13F TC 13
BLOOMINGTON MOCLDY 58 49 72 SE16 30.13F TC 14
DECATUR PTCLDY 61 53 75 S12 30.13F TC 16
PEORIA MOCLDY 60 52 74 S7 30.09F TC 16
6HR MIN TEMP: 59; 6HR MAX TEMP: 61; 6HR PCP: TRACE;
LACON* MOCLDY 58 47 66 S7 30.08F TC 14
LINCOLN* PTCLDY 58 49 72 SE6 30.12F TC 15
SPRINGFIELD PTCLDY 63 56 78 S16 30.10F TC 17
6HR MIN TEMP: 61; 6HR MAX TEMP: 66;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-120700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 53 48 83 E8 30.16F TC 12
DANVILLE* MOCLDY 57 43 58 SE9 30.19S TC 14
RANTOUL* MOCLDY 55 42 61 SE10 30.16F TC 13
MATTOON PTCLDY 62 53 72 SE10 30.15F TC 17
PARIS* MOCLDY 57 49 73 MISG 30.19S TC 14
ILZ079-100>102-120700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 65 56 72 S7 30.12S TC 18
SPARTA* PTCLDY 64 55 74 SE7 30.15S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 63 57 81 S8 30.16F TC 17
6HR MIN TEMP: 61; 6HR MAX TEMP: 73;
CAIRO* PTCLDY 66 58 75 SE5 30.19S TC 19
EFFINGHAM* PTCLDY 62 57 83 SE8 30.17F TC 17
MARION PTCLDY 63 55 77 SE5 30.18F TC 17
MT. VERNON PTCLDY 64 57 78 S6 30.17F TC 18
CENTRALIA* PTCLDY 66 57 71 SE12 30.15F TC 19
SALEM* PTCLDY 65 56 72 SE6 30.15F TC 19
METROPOLIS* PTCLDY 62 58 86 CALM 30.20S TC 17
ILZ067-068-072-073-078-083-087-091-120700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 60 54 80 SE7 30.19F TC 16
FLORA* PTCLDY 59 54 82 S7 30.17F TC 15
FAIRFIELD* PTCLDY 64 55 74 CALM 30.17F TC 18
HARRISBURG* PTCLDY 58 55 88 SE6 30.19F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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