731
ASUS43 KLOT 302103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-302200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 43 63 NW8 29.95F TC 13
STERLING* PTSUNNY 50 46 86 W5 29.97F TC 10
SAVANNA* CLOUDY 49 42 77 CALM 29.96F TC 10
ILZ003-004-008-010-011-017-018-302200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 51 40 65 NW10 29.97S TC 11
FREEPORT* CLOUDY 51 44 77 SW13 29.97F TC 10
ROCHELLE* DRIZZLE 50 39 66 NW10 29.97S TC 10
DE KALB* RAIN 51 41 68 W8 29.96S TC 11
PERU* DRIZZLE 55 39 54 W8 29.97F TC 13
ILZ005-006-012>014-019>023-302200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 48 36 63 E12 29.96F TC 9
CHICAGO-MIDWAY PTSUNNY 49 38 65 E12 29.97F TC 9
AURORA LGT RAIN 54 39 57 W18G29 29.94F TC 12
JOLIET* DRIZZLE 57 40 53 W9 29.96F TC 14
WAUKEGAN LGT RAIN 41 36 82 E8 29.98F TC 5
DUPAGE AIRPORT LGT RAIN 50 40 68 NE15 29.94F TC 10
KANKAKEE* CLOUDY 58 34 40 W14G25 29.97S TC 15
WHEELING CLOUDY 45 35 68 E9 29.99F TC 7
ROMEOVILLE* LGT RAIN 55 41 58 SW14G21 29.96F TC 13
LANSING* CLOUDY 48 37 67 NE9 29.97S TC 9
NORTHERLY ISL* N/A 44 38 79 NE12 N/A TC 7
LMZ740>746-302200-
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 1012.5R 1/ 2
WAUKEGAN HARBOR 41 48 30/ 10/ 12 1015.6F 1/ 3
HARRISON CRIB 42 60/ 16/ 18 N/A
NORTHERLY ISL 46 40/ 10/ 11 N/A
CALUMET HARBOR 45 30/ 8/ 12 1015.1
BURNS HARBOR 46 50/ 9/ 11 1015.6F
MICHIGAN CITY 45 40/ 15/ 16 1014.9F
ST. JOSEPH BUOY 46 30/ 12/ 16 1016.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-302200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 61 38 42 SW14G26 29.94F TC 16
GALESBURG* CLOUDY 54 43 66 SW5 29.97F TC 12
MACOMB* LGT RAIN 58 41 52 W14 29.99S TC 15
JACKSONVILLE* MOSUNNY 63 37 37 S10 29.95F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-302200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 58 33 38 MISG 29.96F TC 15
BLOOMINGTON CLOUDY 58 35 42 W9 29.97F TC 14
DECATUR CLOUDY 60 33 36 W16G26 29.98F TC 16
PEORIA CLOUDY 57 38 48 W6 29.97F TC 14
LACON* CLOUDY 55 34 45 W8 29.97F TC 13
LINCOLN* PTSUNNY 62 38 40 SW8 29.97F TC 17
SPRINGFIELD PTSUNNY 63 34 33 SW9 29.97F TC 17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-302200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 59 34 39 W10 29.99F TC 15
DANVILLE* PTSUNNY 61 34 36 W10G17 29.99F TC 16
RANTOUL* PTSUNNY 60 32 34 W14 29.98F TC 15
MATTOON CLOUDY 59 36 42 VRB6 29.99F TC 15
PARIS* CLOUDY 59 37 43 SW7 30.00F TC 15
ILZ079-100>102-302200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 64 36 34 VRB5 30.01F TC 18
BELLEVILLE MOSUNNY 65 38 36 SW10 29.99F TC 19
CAHOKIA* PTSUNNY 66 35 31 SW9 30.00F TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 64 37 36 S5 30.02F TC 18
CAIRO* SUNNY 68 36 30 E10 30.02F TC 20
EFFINGHAM* MOSUNNY 64 38 38 S6 30.02F TC 18
MARION MOSUNNY 64 34 32 N3 30.02F TC 18
MT. VERNON SUNNY 65 38 36 VRB5 30.01F TC 18
CENTRALIA* SUNNY 64 33 31 CALM 30.02F TC 18
SALEM* SUNNY 64 38 38 CALM 30.01F TC 18
METROPOLIS* SUNNY 65 38 36 E3 30.02F TC 18
ILZ067-068-072-073-078-083-087-091-302200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 61 34 36 CALM 30.01F TC 16
FLORA* PTSUNNY 63 37 39 S5 30.02F TC 17
FAIRFIELD* MOSUNNY 63 34 33 CALM 30.02F TC 17
HARRISBURG* SUNNY 64 40 41 E6 30.02F TC 18
ROBINSON* MOSUNNY 63 36 36 W6 30.01F TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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