503
ASUS43 KLOT 290203
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT TUE APR 28 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.
ILZ001-002-007-009-015-016-024-290300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 58 38 47 NW9 29.94R TC 14
STERLING* PTCLDY 57 41 55 NW8 29.94R TC 14
SAVANNA* CLOUDY 59 37 44 NW10 29.94S TC 15
ILZ003-004-008-010-011-017-018-290300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 38 47 NW8 29.94R TC 14
FREEPORT* CLOUDY 57 41 55 NW8 29.95R TC 14
ROCHELLE* PTCLDY 57 40 53 NW6 29.94R TC 14
DE KALB* MOCLDY 57 44 60 NW7 29.93R TC 14
PERU* PTCLDY 57 48 72 NW5 29.92R TC 14
ILZ005-006-012>014-019>023-290300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 59 45 59 SW3 29.90R TC 15
CHICAGO-MIDWAY PTCLDY 59 46 62 SW5 29.91R TC 15
AURORA PTCLDY 56 46 69 CALM 29.91R TC 13
JOLIET* CLEAR 54 50 88 CALM 29.93R TC 12
WAUKEGAN PTCLDY 56 44 64 CALM 29.89R TC 13
DUPAGE AIRPORT PTCLDY 55 46 71 CALM 29.91R TC 13
KANKAKEE* MOCLDY 55 49 80 S5 29.95R TC 13
WHEELING PTCLDY 60 43 53 CALM 29.92R TC 16
ROMEOVILLE* CLEAR 57 48 72 S3 29.93R TC 14
LANSING* CLOUDY 55 48 79 SW5 29.93R TC 13
NORTHERLY ISL* N/A 51 47 86 SE3 N/A TC 11
LMZ740>746-290300-
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 1009.4F 0
WAUKEGAN HARBOR 51 49 170/ 4/ 6 1013.3R 0
HARRISON CRIB 53 180/ 7/ 8 N/A
NORTHERLY ISL 51 CALM / 4 N/A
CALUMET HARBOR 56 130/ 1/ 2 1012.4
BURNS HARBOR 60 160/ 3/ 4 1013.9R
MICHIGAN CITY 58 120/ 4/ 4 1012.2
ST. JOSEPH BUOY 52 170/ 6/ 6 1014.1R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-290300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 57 48 72 N8 29.94R TC 14
GALESBURG* CLOUDY 56 44 62 NW7 29.95R TC 13
MACOMB* CLOUDY 57 49 73 NW9 29.96R TC 14
JACKSONVILLE* CLOUDY 57 53 85 CALM 29.94R TC 14
PITTSFIELD* CLOUDY 58 53 81 CALM 29.96R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-290300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 54 51 91 MISG 29.95R TC 12
BLOOMINGTON MOCLDY 56 50 80 CALM 29.96R TC 13
DECATUR PTCLDY 56 51 84 N6 29.93R TC 13
PEORIA LGT RAIN 57 51 80 S3 29.94R TC 14
LACON* PTCLDY 55 48 76 CALM 29.93R TC 13
LINCOLN* PTCLDY 57 53 86 CALM 29.94R TC 14
SPRINGFIELD CLOUDY 57 53 86 N3 29.93R TC 14
TAYLORVILLE PTCLDY 57 52 82 N5 29.92S TC 14
ILZ033-039-045-046-055>057-062-063-290300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 55 51 86 N6 29.93R TC 13
RANTOUL* PTCLDY 55 51 88 CALM 29.94R TC 13
MATTOON MOCLDY 58 53 84 NE6 29.89F TC 14
PARIS* MOCLDY 55 51 85 N6 29.91F TC 13
ILZ079-100>102-290300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 59 54 82 VRB5 29.90S TC 15
BELLEVILLE TSTM 59 57 94 N8 29.88 TC 15
CAHOKIA* LGT RAIN 57 55 93 NW8 29.92R FOG TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 61 60 97 E7 29.85F FOG TC 16
CAIRO* CLOUDY 65 63 93 SE6 29.91R TC 18
EFFINGHAM* MOCLDY 59 55 84 CALM 29.93R TC 15
MARION RAIN N/A N/A N/A NE7 29.89R
MT. VERNON LGT RAIN 60 58 92 E8 29.86F TC 16
CENTRALIA* LGT RAIN 59 57 94 CALM 29.88F TC 15
SALEM* MOCLDY 60 57 90 NE3 29.89F TC 16
METROPOLIS* CLOUDY 63 63 100 E7 29.90R TC 17
ILZ067-068-072-073-078-083-087-091-290300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 63 58 83 NE5 29.89R TC 17
FLORA* PTCLDY 61 57 88 NW3 29.91R TC 16
FAIRFIELD* LGT RAIN 62 58 86 NW3 29.91R TC 17
HARRISBURG* LGT RAIN 62 61 97 NW9 29.96R TC 17
ROBINSON* PTCLDY 61 57 88 NE7 29.88S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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