385
ASUS43 KLOT 280408
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON APR 27 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.
ILZ001-002-007-009-015-016-024-280500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 58 51 78 W24G32 29.71R TC 14
STERLING* CLEAR 59 55 87 W24G31 29.67R TC 15
SAVANNA* CLOUDY 58 51 77 W12G23 29.69R TC 15
ILZ003-004-008-010-011-017-018-280500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 61 56 83 W12 29.64R TC 16
FREEPORT* CLOUDY 59 56 89 W17G24 29.66R TC 15
ROCHELLE* CLOUDY 60 56 88 W17G24 29.66R TC 15
DE KALB* CLOUDY 60 60 100 SW13G20 29.65R TC 16
PERU* CLOUDY 63 61 94 W13G20 29.68R TC 17
ILZ005-006-012>014-019>023-280500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 61 58 90 S14 29.62S TC 16
CHICAGO-MIDWAY CLOUDY 61 59 93 S14G25 29.63S TC 16
AURORA LGT RAIN 60 58 92 S12 29.65R TC 16
JOLIET* MOCLDY 60 59 96 S8 29.66F TC 16
WAUKEGAN LGT RAIN 61 59 93 S15 29.60R TC 16
DUPAGE AIRPORT MOCLDY 60 59 96 S13 29.64R TC 16
KANKAKEE* PTCLDY 59 57 94 S10G17 29.68S TC 15
WHEELING CLOUDY 62 59 90 S12 29.63F TC 17
MORRIS* MOCLDY 59 58 96 S9 29.65S TC 15
ROMEOVILLE* CLOUDY 59 59 100 S16G23 29.65F TC 15
LANSING* MOCLDY 59 57 94 S12 29.66F TC 15
NORTHERLY ISL* N/A 61 57 87 S16 N/A TC 16
LMZ740>746-280500-
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 1010.8R 3/ 5
WAUKEGAN HARBOR 56 47 210/ 10/ 16 1007.0R 3/ 5
HARRISON CRIB 61 190/ 15/ 17 N/A
NORTHERLY ISL 61 190/ 12/ 18 N/A
CALUMET HARBOR 61 180/ 10/ 16 1003.8S
BURNS HARBOR 61 210/ 7/ 8 1004.7R
MICHIGAN CITY 62 160/ 12/ 15 1002.2R
ST. JOSEPH BUOY 57 170/ 12/ 16 1004.1R 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-280500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 60 52 74 NW20G28 29.78R TC 16
GALESBURG* CLOUDY 58 52 79 W20G26 29.75R TC 14
MACOMB* CLOUDY 60 55 84 NW15G21 29.78R TC 15
JACKSONVILLE* CLOUDY 61 61 100 W9 29.76R TC 16
PITTSFIELD* MOCLDY 64 57 78 NW8 29.79R TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-280500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 56 55 97 MISG 29.69R TC 14
BLOOMINGTON PTCLDY 58 58 100 W10 29.71R TC 14
DECATUR PTCLDY 60 59 96 SW10 29.72R TC 16
PEORIA PTCLDY 62 56 80 W12G25 29.71R TC 17
LACON* PTCLDY 60 58 93 W7 29.68S TC 16
LINCOLN* PTCLDY 62 62 100 W5 29.73R TC 17
SPRINGFIELD MOCLDY 62 60 93 W9 29.75R TC 17
TAYLORVILLE MOCLDY 61 61 100 W10 29.76R TC 16
ILZ033-039-045-046-055>057-062-063-280500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 61 59 93 SW13 29.71R TC 16
DANVILLE* CLEAR 59 58 97 S8 29.71S TC 15
RANTOUL* CLEAR 58 58 97 S5 29.70R TC 15
MATTOON PTCLDY 61 60 97 S9 29.73R TC 16
ILZ079-100>102-280500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 66 62 86 CALM 29.78R TC 19
BELLEVILLE PTCLDY 66 65 97 NW7 29.76R TC 19
CAHOKIA* CLEAR 66 64 93 W6 29.78R TC 19
SPARTA* MOCLDY 65 65 100 SW5 29.81R TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 65 64 97 SW6 29.81R TC 18
CAIRO* MOCLDY 79 72 77 SW14G23 29.78S HX 82 TC 26
EFFINGHAM* PTCLDY 61 61 100 S6 29.77R TC 16
MARION LGT RAIN N/A N/A N/A W3 29.81R
MT. VERNON PTCLDY 63 62 97 SW3 29.79F TC 17
SALEM* PTCLDY 64 64 100 CALM 29.78R TC 18
METROPOLIS* LGT RAIN 77 70 79 S14G30 29.71F TC 25
ILZ067-068-072-073-078-083-087-091-280500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 62 60 93 S14 29.77F TC 17
FLORA* PTCLDY 63 N/A N/A SW8 29.76R TC 17
FAIRFIELD* CLOUDY 63 62 97 SW8 29.78R TC 17
HARRISBURG* TSTM 65 64 99 W8G21 29.79R TC 18
ROBINSON* PTCLDY 61 61 100 S8 29.75F TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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