778
ASUS43 KLOT 270508
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SUN SEP 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 MOCLDY 59 57 93 CALM 30.10S TC 15
STERLING* MOCLDY 54 51 90 E5 30.13S TC 12
SAVANNA* MOCLDY 61 51 68 CALM 30.12S TC 16
ILZ003-004-008-010-011-017-018-270600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 55 49 80 VRB3 30.15S TC 13
FREEPORT* MOCLDY 53 51 95 E5 30.15S TC 12
ROCHELLE* MOCLDY 54 49 86 E5 30.14S TC 12
DE KALB* MOCLDY 51 49 93 E7 30.15S TC 10
ILZ005-006-012>014-019>023-270600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 55 49 80 NE6 30.14S TC 13
CHICAGO-MIDWAY PTCLDY 58 53 84 NE3 30.14S TC 14
AURORA PTCLDY 51 49 92 CALM 30.14S TC 11
JOLIET* PTCLDY 55 52 92 CALM 30.14S TC 13
WAUKEGAN PTCLDY 49 48 97 CALM 30.14F TC 9
DUPAGE AIRPORT PTCLDY 52 48 86 N3 30.14S TC 11
KANKAKEE* PTCLDY 50 49 95 NE3 30.14S TC 10
WHEELING PTCLDY 51 50 96 CALM 30.16S TC 11
ROMEOVILLE* PTCLDY 54 54 100 NE6 30.14S TC 12
LANSING* PTCLDY 49 49 97 CALM 30.15S TC 10
NORTHERLY ISL* N/A 60 54 80 NE3 N/A TC 16
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)
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 MOCLDY 60 56 86 CALM 30.08F TC 16
GALESBURG* MOCLDY 56 56 97 CALM 30.11S TC 14
MACOMB* MOCLDY 58 58 98 CALM 30.12S TC 15
JACKSONVILLE* CLOUDY 57 57 100 CALM 30.09S TC 14
PITTSFIELD* MOCLDY 59 55 87 CALM 30.10R TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-270600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 54 51 90 E5 30.12F TC 12
BLOOMINGTON MOCLDY 55 50 83 NE8 30.12S TC 13
DECATUR MOCLDY 59 51 75 CALM 30.10S TC 15
PEORIA MOCLDY 62 51 67 E8 30.10R TC 17
LACON* MOCLDY 56 49 78 E3 30.11R TC 13
LINCOLN* CLOUDY 64 54 72 E5 30.09F TC 18
SPRINGFIELD MOCLDY 61 57 87 CALM 30.09S TC 16
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-270600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 57 50 77 E6 30.10S TC 14
RANTOUL* MOCLDY 56 48 74 NE5 30.11S TC 14
MATTOON MOCLDY 59 51 75 CALM 30.09R TC 15
PARIS* PTCLDY 50 49 97 CALM 30.11R TC 10
ILZ079-100>102-270600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 57 55 91 CALM 30.07F TC 14
CAHOKIA* PTCLDY 57 57 100 CALM 30.06S TC 14
SPARTA* PTCLDY 56 52 86 E3 30.07F TC 13
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 NOT AVBL
CAIRO* MOCLDY 64 52 65 CALM 30.05F TC 18
EFFINGHAM* MOCLDY 59 56 89 CALM 30.10F TC 15
MARION MOCLDY 61 52 72 N5 30.06F TC 16
MT. VERNON MOCLDY 58 56 93 CALM 30.07F TC 14
CENTRALIA* PTCLDY 58 56 94 CALM 30.07F TC 14
SALEM* CLOUDY 64 55 70 MISG 30.07F TC 18
METROPOLIS* MOCLDY 62 52 71 CALM 30.05F TC 17
ILZ067-068-072-073-078-083-087-091-270600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 57 52 83 NE3 30.08S TC 14
FLORA* MOCLDY 63 55 77 N3 30.08F TC 17
FAIRFIELD* MOCLDY 64 52 65 N3 30.07F TC 18
HARRISBURG* MOCLDY 62 54 75 CALM 30.07S TC 17
ROBINSON* PTCLDY 52 52 100 CALM 30.08S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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