392
ASUS43 KLOT 281708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-281800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 57 44 62 W12 30.02S TC 14
STERLING* PTSUNNY 55 45 68 W14 30.01R TC 13
SAVANNA* MOSUNNY 57 42 58 W9 30.00R TC 14
ILZ003-004-008-010-011-017-018-281800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 57 44 62 W12G20 29.96S TC 14
FREEPORT* MOSUNNY 57 47 67 W10 29.98R TC 14
ROCHELLE* CLOUDY 55 45 68 W10 29.98R TC 13
DE KALB* CLOUDY 55 46 72 W10G16 29.98R TC 13
PERU* CLOUDY 54 45 71 W15G22 30.01R TC 12
ILZ005-006-012>014-019>023-281800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 57 44 62 W12G20 29.93F TC 14
CHICAGO-MIDWAY PTSUNNY 57 45 64 W14 29.95S TC 14
AURORA CLOUDY 55 46 71 W14 29.97R TC 13
JOLIET* CLOUDY 56 45 66 W10G18 29.99R TC 14
WAUKEGAN PTSUNNY 56 44 64 W12G21 29.91R TC 13
DUPAGE AIRPORT CLOUDY 55 45 68 W14G22 29.95R TC 13
KANKAKEE* CLOUDY 56 46 70 W17 29.99R TC 13
WHEELING MOSUNNY 57 43 59 W12 29.93F TC 14
MORRIS* CLOUDY 54 45 71 W13 29.98S TC 12
ROMEOVILLE* CLOUDY 55 46 71 SW15G23 29.98R TC 13
LANSING* MOSUNNY 57 46 65 W17G23 29.96S TC 14
NORTHERLY ISL* N/A 56 42 59 W14 N/A TC 13
LMZ740>746-281800-
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 47 1011.9R 1
WAUKEGAN HARBOR 54 47 260/ 10/ 17 1013.7R 1
HARRISON CRIB 54 230/ 10/ 13 N/A
NORTHERLY ISL 54 220/ 8/ 14 N/A
CALUMET HARBOR 55 230/ 9/ 16 1013.7F
BURNS HARBOR 52 280/ 8/ 9 1014.6S
MICHIGAN CITY 50 240/ 13/ 14 1013.5R
ST. JOSEPH BUOY 46 240/ 10/ 12 1014.4F 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-281800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 55 44 66 NW9G18 30.05F TC 13
GALESBURG* CLOUDY 53 43 70 SW13 30.06F TC 12
MACOMB* PTSUNNY 57 48 72 W16 30.08F TC 14
JACKSONVILLE* CLOUDY 56 48 72 W12 30.06S TC 14
PITTSFIELD* CLOUDY 56 47 71 NW12 30.06F TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-281800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 55 47 75 MISG 30.02R TC 13
BLOOMINGTON CLOUDY 55 46 71 W18G25 30.04R TC 13
DECATUR CLOUDY 58 48 69 W16G22 30.04R TC 14
PEORIA CLOUDY 53 43 68 W15 30.05R TC 12
LACON* CLOUDY 53 42 66 W13G22 30.04R TC 12
LINCOLN* CLOUDY 57 47 68 W8 30.05S TC 14
SPRINGFIELD CLOUDY 57 47 69 NW12 30.04F TC 14
TAYLORVILLE CLOUDY 57 48 72 W8 30.04F TC 14
ILZ033-039-045-046-055>057-062-063-281800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 57 49 74 W17 30.02R TC 14
DANVILLE* CLOUDY 58 49 70 W8G18 30.01R TC 15
RANTOUL* CLOUDY 56 48 76 W13 30.02R TC 13
MATTOON CLOUDY 58 49 72 W10G18 30.03 TC 14
PARIS* CLOUDY 57 49 75 W12 30.03R TC 14
ILZ079-100>102-281800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 59 50 72 W6 30.05F TC 15
BELLEVILLE MOSUNNY 63 53 70 W5 30.01F TC 17
CAHOKIA* PTSUNNY 61 50 67 VRB7 30.04S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 67 56 67 VRB5 30.02F TC 19
CAIRO* SUNNY 74 63 67 CALM 30.00F TC 24
EFFINGHAM* PTSUNNY 62 55 77 W10G16 30.05F TC 17
MARION PTSUNNY 66 55 68 NE3 30.03S TC 19
MT. VERNON MOSUNNY 65 54 67 SW5 30.03F TC 18
CENTRALIA* PTSUNNY 64 52 65 NW6 30.03F TC 18
SALEM* CLOUDY 64 55 74 NW8 30.03F TC 18
METROPOLIS* SUNNY 73 62 68 N5 30.00F TC 23
ILZ067-068-072-073-078-083-087-091-281800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 65 53 65 NW9G20 30.02S TC 18
FLORA* PTSUNNY 64 54 68 NW9 30.03F TC 18
FAIRFIELD* PTSUNNY 64 53 67 W3 30.03S TC 18
HARRISBURG* PTSUNNY 68 58 71 CALM 30.03S TC 20
ROBINSON* PTSUNNY 63 54 72 VRB5 30.01S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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