791
ASUS43 KLOT 302111
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT WED SEP 30 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.
ILZ001-002-007-009-015-016-024-302200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 67 64 90 SW3 29.84R TC 19
STERLING* CLOUDY 64 64 100 VRB3 29.86S TC 18
SAVANNA* DRIZZLE 65 65 99 S7 29.84S TC 19
ILZ003-004-008-010-011-017-018-302200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 65 64 97 S8 29.86S FOG TC 18
FREEPORT* CLOUDY 65 64 95 SW8 29.86S TC 19
ROCHELLE* RAIN 65 65 100 SW7 29.87R TC 18
DE KALB* RAIN 64 64 100 S9 29.87F TC 18
ILZ005-006-012>014-019>023-302200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 64 63 96 S8 29.86S TC 18
CHICAGO-MIDWAY LGT RAIN 65 63 93 S12 29.88F TC 18
AURORA LGT RAIN 65 64 97 S10 29.87F FOG TC 18
JOLIET* LGT RAIN 65 65 100 S7 29.90S TC 18
WAUKEGAN CLOUDY 65 63 93 SW13 29.84S TC 18
DUPAGE AIRPORT LGT RAIN 64 63 96 S8 29.87S TC 18
KANKAKEE* RAIN 64 63 96 S3 29.93F TC 18
WHEELING CLOUDY 66 63 90 SW14 29.87F TC 19
LANSING* RAIN 64 63 96 S7 29.91S TC 18
NORTHERLY ISL* N/A 64 61 90 S9 N/A TC 18
LMZ740>746-302200-
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 66 64 170/ 10/ 14 1013.0 2/ 4
WAUKEGAN HARBOR 65 64 220/ 10/ 14 1011.8 1/ 4
WILMETTE BUOY 65 170/ 14/ 17 1013.2F 2/ 4
CHICAGO BUOY 65 64 220/ 14/ 17 1010.8 1/ 3
HARRISON CRIB 65 200/ 22/ 25 N/A
NORTHERLY ISL 64 180/ 11/ 13 N/A
CALUMET HARBOR 180/ 8/ 12 1012.3
MICHIGAN CITY 64 170/ 13/ 16 1011.7F
MICH CITY BUOY 64 63 190/ 14/ 17 N/A 1/ 2
ST. JOSEPH BUOY 63 61 180/ 14/ 17 1013.4F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-302200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 81 62 52 VRB3 29.84F HX 82 TC 27
GALESBURG* CLOUDY 66 65 96 S3 29.87S TC 19
MACOMB* PTSUNNY 75 65 70 SE5 29.88S TC 24
JACKSONVILLE* PTSUNNY 82 64 53 NE5 29.85S HX 83 TC 28
PITTSFIELD* PTSUNNY 84 63 49 NE5 29.86R HX 85 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-302200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 65 65 100 S5 29.91S TC 18
BLOOMINGTON CLOUDY 69 63 81 SE6 29.91F TC 21
DECATUR CLOUDY 77 60 55 NE7 29.89S TC 25
PEORIA CLOUDY 68 63 84 SE3 29.88S TC 20
LACON* LGT RAIN 65 62 87 SW5 29.87S TC 19
SPRINGFIELD PTSUNNY 79 62 56 E6 29.87F HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-302200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 74 58 57 NE7 29.91F TC 23
RANTOUL* CLOUDY 72 58 62 NE5 29.92F TC 22
MATTOON PTSUNNY 88 56 33 S10 29.89F HX 86 TC 31
PARIS* PTSUNNY 83 54 36 SE10 29.92S HX 82 TC 29
ILZ079-100>102-302200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 90 59 35 SW10 29.86F HX 89 TC 32
BELLEVILLE MOSUNNY 92 61 34 SW12 29.84S HX 92 TC 34
CAHOKIA* MOSUNNY 92 60 34 S6 29.85S HX 91 TC 33
SPARTA* MOSUNNY 90 57 32 S12G20 29.90S HX 88 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOSUNNY 92 61 35 S7 29.91F HX 91 TC 33
EFFINGHAM* MOSUNNY 90 52 27 SE5 29.91S HX 88 TC 32
MARION MOSUNNY 90 59 35 S9 29.91F HX 89 TC 32
MT. VERNON MOSUNNY 92 57 30 SW15 29.90F HX 90 TC 33
CENTRALIA* MOSUNNY 93 56 28 S9G17 29.89F HX 91 TC 34
SALEM* MOSUNNY 93 58 31 MISG 29.89S HX 91 TC 34
METROPOLIS* SUNNY 91 56 30 S8 29.93F HX 89 TC 33
ILZ067-068-072-073-078-083-087-091-302200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 55 32 S10G23 29.92F HX 86 TC 31
FLORA* SUNNY 91 57 31 SW13 29.90F HX 90 TC 33
FAIRFIELD* MOSUNNY 90 53 28 SW9G16 29.91S HX 87 TC 32
HARRISBURG* MOSUNNY 91 56 31 SW13 29.92F HX 89 TC 33
ROBINSON* MOSUNNY 90 55 31 S9G20 29.90F HX 88 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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