037
ASUS43 KLOT 120801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-120900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 62 55 77 S14G24 29.97F TC 17
STERLING* MOCLDY 55 49 80 SE6 30.02F TC 13
SAVANNA* CLOUDY 55 47 76 S9 29.99F TC 13
ILZ003-004-008-010-011-017-018-120900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 55 44 66 SE8 30.04F TC 13
FREEPORT* CLOUDY 56 48 76 S17 30.01F TC 13
DE KALB* MOCLDY 54 44 70 S14 30.06F TC 12
ILZ005-006-012>014-019>023-120900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 57 41 55 S9 30.06F TC 14
CHICAGO-MIDWAY MOCLDY 58 41 53 S10 30.08F TC 14
AURORA MOCLDY 55 43 63 S10 30.06F TC 13
JOLIET* MOCLDY 58 43 57 SE7 30.09F TC 15
WAUKEGAN MOCLDY 48 41 76 SE7 30.05F TC 9
DUPAGE AIRPORT MOCLDY 55 42 61 S13 30.06F TC 13
KANKAKEE* PTCLDY 55 43 64 SE10 30.12F TC 13
WHEELING MOCLDY 56 41 57 S9 30.07F TC 13
MORRIS* PTCLDY 57 43 59 S10 30.07F TC 14
LANSING* MOCLDY 56 42 58 S10G16 30.11F TC 13
NORTHERLY ISL* N/A 56 40 55 S7 N/A TC 13
LMZ740>746-120900-
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 43 41 280/ 14/ 17 1019.2F 2/ 3
WAUKEGAN HARBOR 44 43 110/ 14/ 17 1020.1F 1/ 3
HARRISON CRIB 51 160/ 14/ 15 N/A
NORTHERLY ISL 56 170/ 7 N/A
CALUMET HARBOR 58 160/ 12/ 15 1018.7
BURNS HARBOR 57 170/ 9/ 15 1020.0F
MICHIGAN CITY 56 150/ 17/ 20 1018.8F
ST. JOSEPH BUOY 52 140/ 14/ 17 1021.0F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-120900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 65 56 72 S15G22 30.01F TC 18
MACOMB* PTCLDY 60 57 91 S10 30.04F TC 16
PITTSFIELD* MOCLDY 66 57 72 S12 30.05F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-120900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 57 47 67 MISG 30.08F TC 14
BLOOMINGTON PTCLDY 58 53 84 S17 30.09F TC 14
DECATUR PTCLDY 61 54 77 S10 30.10F TC 16
PEORIA PTCLDY 60 54 80 S14 30.05F TC 16
LINCOLN* PTCLDY 61 53 74 S9 30.08F TC 16
SPRINGFIELD PTCLDY 62 55 77 S14 30.07F TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-120900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 55 51 86 SE10 30.12F TC 13
DANVILLE* PTCLDY 55 46 70 SE8 30.14F TC 13
MATTOON PTCLDY 60 53 77 SE10 30.13F TC 16
PARIS* PTCLDY 56 51 80 MISG 30.15F TC 14
ILZ079-100>102-120900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* MOCLDY 65 55 70 S5 30.10F TC 18
SPARTA* PTCLDY 65 55 70 SE8 30.14S TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 62 57 83 SE7 30.13F TC 17
CAIRO* PTCLDY 62 57 84 SE5 30.16F TC 17
MARION PTCLDY 64 56 74 S7 30.16F TC 18
MT. VERNON PTCLDY 64 57 78 S8 30.14F TC 18
CENTRALIA* CLEAR 64 57 78 S9 30.13F TC 18
SALEM* CLEAR 66 56 71 S7 30.13F TC 19
ILZ067-068-072-073-078-083-087-091-120900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 59 54 83 S7 30.16F TC 15
FLORA* CLEAR 59 55 88 S6 30.14F TC 15
FAIRFIELD* PTCLDY 61 56 82 CALM 30.14F TC 16
HARRISBURG* PTCLDY 59 54 83 CALM 30.16F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page