310
ASUS43 KLOT 010412
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-010500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 50 33 52 NW14 29.97S TC 10
STERLING* CLEAR 45 44 97 CALM 29.97F TC 7
SAVANNA* CLOUDY 47 41 81 S5 29.96F TC 8
ILZ003-004-008-010-011-017-018-010500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 41 37 86 VRB6 29.98S TC 5
FREEPORT* CLOUDY 44 43 95 SE5 29.98S TC 7
ROCHELLE* CLOUDY 41 37 87 E9 29.97S TC 5
DE KALB* CLOUDY 38 36 92 E10 29.98F WCI 31 TC 4
PERU* CLOUDY 48 43 81 NW3 29.96F TC 9
ILZ005-006-012>014-019>023-010500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 41 35 79 E6 29.97F TC 5
CHICAGO-MIDWAY LGT RAIN 41 37 86 E10 29.97F TC 5
AURORA LGT RAIN 40 38 93 NE10 29.97S FOG TC 4
JOLIET* RAIN 43 40 90 E5 29.97F TC 6
WAUKEGAN LGT RAIN 39 37 92 E3 29.98F TC 4
DUPAGE AIRPORT RAIN 40 36 86 NE6 29.97S TC 4
KANKAKEE* LGT RAIN 46 45 95 N8 29.96S TC 8
WHEELING LGT RAIN 41 38 89 NE5 29.99F TC 5
MORRIS* CLOUDY 45 43 93 CALM 29.96R TC 7
ROMEOVILLE* CLOUDY 41 39 93 NE10 29.97F TC 5
LANSING* RAIN 42 39 90 NE5 29.97F TC 6
NORTHERLY ISL* N/A 42 38 85 E12 N/A TC 6
LMZ740>746-010500-
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 1011.4 1/ 3
WAUKEGAN HARBOR 41 48 50/ 6/ 10 1015.4 1/ 3
HARRISON CRIB 42 90/ 13/ 14 N/A
NORTHERLY ISL 41 80/ 10/ 13 N/A
CALUMET HARBOR 43 30/ 9/ 13 1015.0
BURNS HARBOR 44 80/ 7/ 8 1015.6S
MICHIGAN CITY 42 50/ 11/ 12 1014.8R
ST. JOSEPH BUOY 42 90/ 8/ 12 1015.7F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-010500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 47 42 83 NW7 30.02S TC 8
GALESBURG* CLOUDY 44 38 80 W5 29.99F TC 7
MACOMB* PTCLDY 44 41 90 CALM 30.02S TC 7
JACKSONVILLE* CLOUDY 51 49 93 NW9 30.00S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-010500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 48 45 88 MISG 29.95F TC 9
BLOOMINGTON LGT RAIN 48 47 96 NW10 29.96S TC 9
DECATUR LGT RAIN 52 45 77 W7 29.96F TC 11
PEORIA PTCLDY 46 46 100 CALM 29.97F TC 8
LACON* MOCLDY 47 43 86 CALM 29.97S TC 8
LINCOLN* CLOUDY 52 51 97 W5 29.97F TC 11
SPRINGFIELD CLOUDY 52 48 86 W8 29.99R TC 11
TAYLORVILLE CLOUDY 52 48 87 W3 29.97F TC 11
ILZ033-039-045-046-055>057-062-063-010500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 50 46 86 NW6 29.95F TC 10
DANVILLE* CLOUDY 51 46 82 CALM 29.97S TC 11
RANTOUL* LGT RAIN 51 44 77 W5 29.95F TC 11
MATTOON LGT RAIN 56 42 59 S5 29.95F TC 13
PARIS* CLOUDY 54 42 63 SW9 29.95F TC 12
ILZ079-100>102-010500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 56 46 70 MISG 30.00F TC 13
BELLEVILLE DRIZZLE 59 45 60 CALM 29.98R TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 53 47 79 S3 29.99S TC 12
CAIRO* MOCLDY 57 48 71 CALM 30.01S TC 14
EFFINGHAM* CLOUDY 55 42 61 S5 29.98S TC 13
MARION MOCLDY 52 45 75 S3 30.01S TC 11
MT. VERNON CLOUDY 48 46 93 CALM 29.99S TC 9
CENTRALIA* CLOUDY 55 44 67 CALM 29.98S TC 13
SALEM* CLOUDY 57 43 58 CALM 29.97F TC 14
METROPOLIS* PTCLDY 51 46 80 CALM 30.01S TC 11
ILZ067-068-072-073-078-083-087-091-010500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 53 47 79 S7 29.97F TC 12
FLORA* CLOUDY 54 45 71 S7 29.97F TC 12
FAIRFIELD* CLOUDY 50 44 78 CALM 29.98F TC 10
HARRISBURG* MOCLDY 54 45 73 CALM 30.00F TC 12
ROBINSON* CLOUDY 54 45 71 S7 29.96F TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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