721
ASUS43 KLOT 152108
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT MON SEP 15 2025
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.
ILZ001-002-007-009-015-016-024-152200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 61 38 E9 30.08F HX 89 TC 32
STERLING* MOSUNNY 90 56 31 E9 30.12F HX 88 TC 32
ILZ003-004-008-010-011-017-018-152200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 86 56 35 SE7 30.16F HX 85 TC 30
ROCHELLE* SUNNY 86 52 30 E5 30.15F HX 84 TC 30
DE KALB* SUNNY 84 57 39 CALM 30.17S HX 83 TC 29
PERU* SUNNY 90 54 28 E6 30.12F HX 88 TC 32
ILZ005-006-012>014-019>023-152200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 81 57 43 E9 30.16F HX 81 TC 27
CHICAGO-MIDWAY MOSUNNY 83 59 44 E10 30.16S HX 83 TC 28
AURORA SUNNY 87 57 35 E5 30.14F HX 86 TC 31
JOLIET* SUNNY 87 57 35 E6 30.14F HX 85 TC 30
WAUKEGAN SUNNY 78 61 55 E8 30.18F HX 80 TC 26
DUPAGE AIRPORT SUNNY 85 58 39 NE9 30.15F HX 84 TC 29
KANKAKEE* SUNNY 86 55 35 NE7 30.14F HX 84 TC 30
WHEELING SUNNY 79 62 56 NE9 30.19S HX 80 TC 26
MORRIS* SUNNY 87 58 37 E5 30.13S HX 85 TC 30
ROMEOVILLE* SUNNY 86 59 39 E9 30.16S HX 85 TC 30
LANSING* SUNNY 82 63 52 NE10 30.16F HX 83 TC 28
NORTHERLY ISL* N/A 74 64 71 N8 N/A TC 23
LMZ740>746-152200-
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>099-152200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 90 63 40 E9 30.05F HX 91 TC 32
GALESBURG* MOSUNNY 90 56 31 NE9 30.09F HX 88 TC 32
MACOMB* MOSUNNY 91 62 39 E6 30.09F HX 91 TC 33
JACKSONVILLE* MOSUNNY 91 54 28 NE8 30.06F HX 89 TC 33
PITTSFIELD* PTSUNNY 92 64 39 E7 30.06F HX 93 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-152200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 89 52 28 SE3 30.12F HX 86 TC 32
BLOOMINGTON SUNNY 90 55 30 NE6 30.11F HX 88 TC 32
DECATUR SUNNY 92 56 29 E7 30.08F HX 90 TC 33
PEORIA MOSUNNY 92 54 27 NE7 30.08F HX 90 TC 33
LACON* SUNNY 89 53 28 NE5 30.09F HX 87 TC 32
LINCOLN* SUNNY 92 57 30 NE5 30.08F HX 90 TC 33
SPRINGFIELD MOSUNNY 92 54 27 E8G17 30.06F HX 90 TC 33
TAYLORVILLE SUNNY 91 57 31 MISG 30.06F HX 90 TC 33
ILZ033-039-045-046-055>057-062-063-152200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 91 56 30 MISG 30.10F HX 89 TC 33
DANVILLE* SUNNY 89 56 33 NE7 30.11F HX 87 TC 32
RANTOUL* SUNNY 89 52 27 E7 30.11S HX 86 TC 32
MATTOON SUNNY 90 57 32 S7 30.07F HX 88 TC 32
ILZ079-100>102-152200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 61 35 E8 30.03F HX 91 TC 33
BELLEVILLE MOSUNNY 94 59 31 E8 30.00F HX 93 TC 34
CAHOKIA* MOSUNNY 94 62 34 E10 30.02F HX 94 TC 34
SPARTA* MOSUNNY 93 59 31 E8 30.03F HX 92 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 92 63 38 NE5 30.01F HX 93 TC 33
CAIRO* SUNNY 93 70 47 CALM 30.01F HX 99 TC 34
EFFINGHAM* CLOUDY 89 60 37 NE5 30.08F HAZE HX 88
MARION MOSUNNY 91 63 38 NE7 30.02F HX 92 TC 33
MT. VERNON SUNNY 91 62 37 E7 30.03F HX 91 TC 33
CENTRALIA* MOSUNNY 93 60 32 E10 30.04F HX 92 TC 34
SALEM* MOSUNNY 92 61 35 SE3 30.04F HX 92 TC 34
METROPOLIS* SUNNY 91 63 39 CALM 30.02F HX 92 TC 33
ILZ067-068-072-073-078-083-087-091-152200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 91 60 35 SE3 30.06F HX 90 TC 33
FLORA* MOSUNNY 91 63 38 E8 30.05F HX 92 TC 33
FAIRFIELD* SUNNY 91 62 36 SE5 30.04F HX 92 TC 33
ROBINSON* MOSUNNY 88 63 42 E8 30.06F HX 88 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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