374
ASUS43 KLOT 270510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM 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.
ILZ001-002-007-009-015-016-024-270600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 64 48 56 E17G28 29.84F TC 18
STERLING* CLOUDY 59 49 69 E21G26 29.91F TC 15
SAVANNA* CLOUDY 58 47 66 SE13 29.90F TC 15
ILZ003-004-008-010-011-017-018-270600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 56 48 74 E8G18 29.97R TC 13
FREEPORT* CLOUDY 56 51 81 SE14 29.96S TC 14
ROCHELLE* CLOUDY 56 46 69 SE15 29.95S TC 14
DE KALB* MOCLDY 50 46 87 E12 29.98S TC 10
ILZ005-006-012>014-019>023-270600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 46 42 86 E12 29.99F TC 8
CHICAGO-MIDWAY CLOUDY 49 44 83 E10 29.99F TC 9
AURORA MOCLDY 52 47 83 E9 29.97S TC 11
JOLIET* MOCLDY 55 49 81 E8 29.98S TC 13
WAUKEGAN CLOUDY 43 41 93 E8 30.01F TC 6
DUPAGE AIRPORT MOCLDY 48 44 86 E9 29.98S TC 9
WHEELING CLOUDY 45 42 89 E7 30.01F TC 7
MORRIS* MOCLDY 59 49 70 SE17G29 29.95S TC 15
ROMEOVILLE* MOCLDY 50 48 93 E9 29.99S TC 10
LANSING* MOCLDY 47 44 89 E7 30.01F TC 8
NORTHERLY ISL* N/A 47 44 90 NE8 N/A TC 8
LMZ740>746-270600-
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 1013.2 1/ 3
WAUKEGAN HARBOR 43 47 30/ 4/ 8 1016.5 1/ 3
HARRISON CRIB 46 70/ 8/ 8 N/A
NORTHERLY ISL 46 20/ 7/ 8 N/A
CALUMET HARBOR 47 30/ 5/ 7 1016.0F
BURNS HARBOR 52 90/ 5/ 6 1017.3F
MICHIGAN CITY 56 120/ 6/ 8 1016.3R
ST. JOSEPH BUOY 55 130/ 12/ 16 1018.1R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-270600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 64 57 78 S17G25 29.83S TC 18
GALESBURG* CLOUDY 66 49 55 SE9G16 29.85F TC 19
MACOMB* CLOUDY 67 52 58 SE10 29.85F TC 20
JACKSONVILLE* CLOUDY 69 53 55 SE8 29.86S TC 21
PITTSFIELD* CLOUDY 65 57 76 CALM 29.86F TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-270600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 58 48 69 MISG 29.95S TC 14
BLOOMINGTON CLOUDY 62 48 60 SE15 29.94S TC 17
DECATUR CLOUDY 63 51 65 SE13 29.92F TC 17
PEORIA CLOUDY 65 48 54 E13G20 29.88F TC 18
LACON* CLOUDY 61 47 60 E9 29.90F TC 16
LINCOLN* CLOUDY 66 52 60 SE10 29.90F TC 19
SPRINGFIELD MOCLDY 67 53 61 SE12 29.87F TC 19
TAYLORVILLE MOCLDY 66 54 63 SE12 29.89F TC 19
ILZ033-039-045-046-055>057-062-063-270600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 60 48 64 E13 29.95S TC 16
DANVILLE* MOCLDY 59 49 69 E12 29.98S TC 15
RANTOUL* CLOUDY 60 49 68 SE12 29.96S TC 15
MATTOON MOCLDY 63 51 65 SE9 29.94R TC 17
PARIS* MOCLDY 61 47 61 E10 29.98R TC 16
ILZ079-100>102-270600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 66 54 65 SE7 29.88S TC 19
BELLEVILLE MOCLDY 68 57 68 SE6 29.85F TC 20
CAHOKIA* MOCLDY 70 54 56 SE8 29.86S TC 21
SPARTA* MOCLDY 67 53 60 SE8 29.89F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 67 54 63 SE8 29.90S TC 19
CAIRO* PTCLDY 70 55 59 CALM 29.90S TC 21
EFFINGHAM* MOCLDY 64 53 65 E9 29.96S TC 18
MARION MOCLDY 67 55 64 E6 29.92S TC 19
CENTRALIA* CLOUDY 67 54 62 SE10 29.91F TC 20
SALEM* CLOUDY 68 55 61 SE6 29.92F TC 20
METROPOLIS* MOCLDY 64 55 71 CALM 29.92R TC 18
ILZ067-068-072-073-078-083-087-091-270600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 63 50 62 E9 29.96R TC 17
FLORA* MOCLDY 64 52 63 SE7 29.94S TC 18
FAIRFIELD* MOCLDY 66 51 58 E8 29.94R TC 19
HARRISBURG* MOCLDY 66 55 67 SE7 29.94S TC 19
ROBINSON* MOCLDY 64 50 59 SE9 29.96R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page