391
ASUS43 KLOT 010212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM 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.
ILZ001-002-007-009-015-016-024-010300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 50 39 66 W5 29.96R TC 10
STERLING* PTCLDY 47 47 100 CALM 29.97R TC 8
SAVANNA* CLOUDY 48 42 80 CALM 29.96S TC 9
ILZ003-004-008-010-011-017-018-010300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 43 41 93 E6 29.99R TC 6
FREEPORT* CLOUDY 46 45 95 E3 29.97S TC 8
ROCHELLE* CLOUDY 46 44 90 CALM 29.95S TC 8
DE KALB* CLOUDY 42 42 98 E12 29.96S TC 6
PERU* CLOUDY N/A N/A N/A NW5 29.96S
ILZ005-006-012>014-019>023-010300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 42 32 67 E9 29.96S TC 6
CHICAGO-MIDWAY RAIN 43 34 70 E10 29.97R FOG TC 6
AURORA LGT RAIN 43 43 100 E8 29.95S FOG TC 6
JOLIET* RAIN 46 44 91 E7 29.97R TC 8
WAUKEGAN LGT RAIN 39 36 89 E3 29.97S TC 4
DUPAGE AIRPORT LGT RAIN 41 37 86 E7 29.96R TC 5
KANKAKEE* CLOUDY 49 47 93 SE3 29.97R TC 10
WHEELING LGT RAIN 42 34 73 E7 29.98S TC 6
MORRIS* CLOUDY 46 46 100 E6 29.95S TC 8
ROMEOVILLE* CLOUDY 43 41 93 NE7 29.98R TC 6
LANSING* CLOUDY 43 35 73 NE6 29.97S TC 6
NORTHERLY ISL* N/A 43 33 68 NE14 N/A TC 6
LMZ740>746-010300-
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 1011.1 1/ 4
WAUKEGAN HARBOR 41 48 30/ 4/ 8 1015.4 1/ 3
HARRISON CRIB 42 60/ 15/ 16 N/A
NORTHERLY ISL 43 50/ 9/ 10 N/A
CALUMET HARBOR 44 40/ 10/ 12 1014.5
BURNS HARBOR 45 50/ 10/ 11 1015.2R
MICHIGAN CITY 45 70/ 10/ 11 1014.3R
ST. JOSEPH BUOY 44 70/ 10/ 14 1015.9S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-010300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 52 49 89 NW9 29.99R TC 11
GALESBURG* CLOUDY 49 39 69 NW5 29.98S TC 9
MACOMB* CLOUDY 51 47 86 CALM 30.01R TC 11
JACKSONVILLE* CLOUDY 51 51 99 SW5 29.97S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-010300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 51 44 76 MISG 29.96R TC 11
BLOOMINGTON LGT RAIN 51 45 79 SW6 29.96S TC 11
DECATUR CLOUDY 57 41 55 W8 29.96R TC 14
PEORIA LGT RAIN 52 46 80 W6 29.95S TC 11
LACON* LGT RAIN 50 43 76 N6 29.96R TC 10
LINCOLN* LGT RAIN 52 49 88 CALM 29.97R TC 11
SPRINGFIELD CLOUDY 52 47 83 VRB6 29.97R TC 11
TAYLORVILLE CLOUDY 55 45 67 NW9G16 29.98R TC 13
ILZ033-039-045-046-055>057-062-063-010300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 54 47 77 S5 29.96R TC 12
DANVILLE* CLOUDY 55 41 60 W7 29.97R TC 13
RANTOUL* LGT RAIN 54 41 63 NW5 29.96S TC 12
MATTOON CLOUDY 56 41 57 S3 29.95F TC 13
PARIS* CLOUDY 55 45 70 S5 29.97S TC 13
ILZ079-100>102-010300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 59 45 58 W6 29.97R TC 15
BELLEVILLE MOCLDY 57 43 59 CALM 29.95R TC 14
CAHOKIA* CLOUDY 60 41 49 CALM 29.96R TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 57 47 69 S3 29.98S TC 14
CAIRO* MOCLDY 58 46 64 CALM 30.01R TC 15
EFFINGHAM* CLOUDY 56 41 55 CALM 29.99S TC 14
MARION MOCLDY N/A N/A N/A SE3 29.99S
MT. VERNON PTCLDY 50 44 80 CALM 29.99S TC 10
CENTRALIA* PTCLDY 54 43 66 CALM 29.98R TC 12
SALEM* MOCLDY 56 45 67 CALM 29.97S TC 13
METROPOLIS* PTCLDY 55 49 80 CALM 30.01R TC 13
ILZ067-068-072-073-078-083-087-091-010300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 55 42 61 S6 29.99S TC 13
FLORA* PTCLDY 54 45 71 S6 29.99S TC 12
FAIRFIELD* PTCLDY 53 43 68 CALM 29.99S TC 12
HARRISBURG* PTCLDY 56 48 75 CALM 30.00S TC 13
ROBINSON* CLOUDY 54 46 76 MISG 29.98S TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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