880
ASUS43 KLOT 202310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT SUN SEP 20 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.
ILZ001-002-007-009-015-016-024-210000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 61 87 NE10G20 30.00R TC 18
STERLING* CLOUDY 63 61 93 NE16 30.03R TC 17
SAVANNA* CLOUDY 63 59 88 NE15G23 30.05R TC 17
ILZ003-004-008-010-011-017-018-210000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 61 58 90 NE10G17 30.06R TC 16
FREEPORT* CLOUDY 60 58 95 NE13 30.08R TC 15
ROCHELLE* CLOUDY 62 62 100 NE16 30.04R TC 16
DE KALB* CLOUDY 62 62 100 NE15G21 30.04R TC 17
PERU* CLOUDY 66 63 88 NE16G25 30.00R TC 19
ILZ005-006-012>014-019>023-210000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE DRIZZLE 63 60 90 NE18G31 30.01S TC 17
CHICAGO-MIDWAY DRIZZLE 63 62 97 NE16G26 30.01R FOG TC 17
AURORA CLOUDY 63 61 93 NE13G23 30.01R FOG TC 17
JOLIET* CLOUDY 66 64 95 NE14G23 29.99S TC 19
WAUKEGAN CLOUDY 62 60 93 NE15 30.04S TC 17
DUPAGE AIRPORT LGT RAIN 62 61 96 NE14G21 30.02R FOG TC 17
KANKAKEE* CLOUDY 66 64 95 NE12 29.97R FOG TC 19
WHEELING CLOUDY 63 60 90 E13G25 30.05R TC 17
LANSING* RAIN 62 61 97 NE20 29.99R TC 17
NORTHERLY ISL* N/A 62 60 93 NE20 N/A TC 17
LMZ740>746-210000-
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 65 64 20/ 21/ 29 1013.1 5/ 5
WAUKEGAN HARBOR 65 64 360/ 16/ 21 1017.4 4/ 5
WILMETTE BUOY 63 90/ 19/ 27 1018.5R 6/ 6
CHICAGO BUOY 64 66 1015.2 5/ 6
NORTHERLY ISL 63 30/ 17/ 22 N/A
CALUMET HARBOR 63 30/ 15/ 21 1015.9
MICH CITY BUOY 62 63 40/ 19/ 25 N/A 5/ 6
ST. JOSEPH BUOY 60 61 30/ 14/ 19 1017.2R 3/ 6
ILZ025>027-034>036-040-047-049-050-058-095>099-210000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 68 81 NE14 29.91R TC 23
GALESBURG* CLOUDY 65 65 100 NE14 29.99R TC 18
MACOMB* CLOUDY 70 69 98 NE12 29.97R TC 21
JACKSONVILLE* PTSUNNY 76 69 77 N8 29.90S TC 25
PITTSFIELD* PTSUNNY 78 69 74 N13G18 29.91R HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-210000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 67 67 100 NE14 29.97R TC 20
BLOOMINGTON LGT RAIN 68 68 100 N15 29.95S TC 20
DECATUR CLOUDY 78 68 71 N13 29.91R HX 80 TC 26
PEORIA CLOUDY 68 66 93 NE9 29.96R TC 20
LACON* CLOUDY 66 63 88 NE10G17 29.97R TC 19
LINCOLN* CLOUDY 74 69 85 N8G17 29.92S TC 23
SPRINGFIELD MOSUNNY 78 68 71 N12 29.90R HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 76 68 76 N10 29.92R TC 24
RANTOUL* CLOUDY 71 69 93 N9 29.94R TC 22
MATTOON CLOUDY 80 73 79 S3 29.88R HX 84 TC 27
PARIS* PTCLDY 81 66 60 N3 29.89R HX 83 TC 27
ILZ079-100>102-210000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 90 66 45 NW3 29.85F HX 92 TC 32
BELLEVILLE MOSUNNY 91 71 50 NW3 29.81F HX 97 TC 33
CAHOKIA* MOSUNNY 91 64 40 NW5 29.83S HX 92 TC 33
SPARTA* PTSUNNY 92 60 35 SW5 29.84F HX 91 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 93 61 33 SW7 29.83S HX 93 TC 34
CAIRO* MOSUNNY 93 63 36 SW5 29.83S HX 94 TC 34
EFFINGHAM* PTCLDY 89 64 43 CALM 29.88S HX 90 TC 31
MT. VERNON CLOUDY 88 70 55 CALM 29.84S HX 93 TC 31
CENTRALIA* N/A 92 64 38 W5 29.84 HX 93 TC 34
METROPOLIS* MOSUNNY 92 63 37 CALM 29.84F HX 93 TC 34
ILZ067-068-072-073-078-083-087-091-210000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 86 70 58 N7 29.85S HX 90 TC 30
FLORA* PTCLDY 90 68 48 CALM 29.85S HX 93 TC 32
FAIRFIELD* PTCLDY 90 64 41 NW3 29.84S HX 91 TC 32
HARRISBURG* PTCLDY 92 63 37 SW5 29.84S HX 93 TC 33
ROBINSON* CLEAR 86 72 62 NE7 29.85S HX 92 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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