356
ASUS43 KLOT 301608
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-301700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 63 61 93 S8 29.88F FOG TC 17
STERLING* CLOUDY 63 63 100 VRB6 29.92S TC 17
SAVANNA* LGT RAIN 64 64 98 S9 29.88S TC 18
ILZ003-004-008-010-011-017-018-301700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 64 62 93 S14 29.90S TC 18
FREEPORT* CLOUDY 64 63 95 SW14G22 29.90S TC 18
ROCHELLE* RAIN 63 63 100 S9 29.92S TC 17
DE KALB* RAIN 62 62 100 S12 29.93S TC 17
ILZ005-006-012>014-019>023-301700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 62 61 96 S12 29.93F FOG TC 17
CHICAGO-MIDWAY LGT RAIN 62 60 93 S12 29.95F FOG TC 17
AURORA RAIN 62 62 100 S9 29.93F FOG TC 17
JOLIET* LGT RAIN 62 62 100 S3 29.96S TC 17
WAUKEGAN CLOUDY 62 61 96 S12 29.90F FOG TC 17
DUPAGE AIRPORT LGT RAIN 62 61 96 S13 29.93F FOG TC 17
KANKAKEE* LGT RAIN 61 60 96 SE7 29.99F TC 16
WHEELING LGT RAIN 63 62 97 S15G22 29.93F TC 17
LANSING* RAIN 60 59 96 S9 29.98F TC 16
NORTHERLY ISL* N/A 61 59 93 S8 N/A TC 16
LMZ740>746-301700-
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 63 65 130/ 17/ 23 1011.3R 2/ 3
WAUKEGAN HARBOR 63 65 170/ 14/ 17 1013.5F 2/ 3
WILMETTE BUOY 63 150/ 14/ 17 1015.4F 1/ 3
CHICAGO BUOY 63 64 190/ 10/ 16 1013.1F 1/ 2
HARRISON CRIB 62 190/ 18/ 19 N/A
NORTHERLY ISL 61 200/ 8/ 9 N/A
CALUMET HARBOR 60 170/ 8/ 10 1014.9
MICHIGAN CITY 63 150/ 8/ 10 1014.3F
MICH CITY BUOY 62 63 160/ 10/ 12 N/A 1
ST. JOSEPH BUOY 63 62 180/ 8/ 10 1016.3F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-301700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 68 61 78 NE7 29.91R TC 20
GALESBURG* LGT RAIN 62 62 100 S6 29.93F TC 17
MACOMB* CLOUDY 63 63 100 CALM 29.95S TC 17
JACKSONVILLE* CLOUDY 74 55 51 S5 29.92S TC 23
PITTSFIELD* CLOUDY 77 55 45 S8 29.91F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-301700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT RAIN 64 62 93 SE3 29.98R TC 18
DECATUR CLOUDY 72 55 55 S7 29.96F TC 22
PEORIA LGT RAIN 61 59 93 CALM 29.95S FOG TC 16
LACON* LGT RAIN 61 58 91 S7 29.94S TC 16
SPRINGFIELD CLOUDY 69 58 67 E3 29.93S TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 71 53 52 CALM 29.98S TC 22
RANTOUL* CLOUDY 68 55 63 CALM 29.99S TC 20
MATTOON CLOUDY 75 54 47 S7 29.98S TC 24
PARIS* CLOUDY 75 53 44 S8 29.99F TC 24
ILZ079-100>102-301700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 79 54 41 S8 29.95S TC 26
BELLEVILLE SUNNY 86 56 35 SW9 29.93S HX 84 TC 30
CAHOKIA* MOSUNNY 84 55 36 SW9 29.93F HX 83 TC 29
SPARTA* MOSUNNY 84 53 34 S13 29.98S HX 82 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 54 39 SW14G23 29.99S HX 80 TC 27
CAIRO* PTSUNNY 80 56 44 SW5 30.01S HX 80 TC 27
EFFINGHAM* CLOUDY 74 55 51 SE3 30.00S TC 23
MT. VERNON PTSUNNY 81 54 39 SW12 29.99S HX 81 TC 27
CENTRALIA* PTSUNNY 84 53 33 SW12 29.98R HX 83 TC 29
SALEM* PTSUNNY 83 56 39 MISG 29.98S HX 82 TC 28
METROPOLIS* PTSUNNY 82 51 34 S3 30.02S HX 81 TC 28
ILZ067-068-072-073-078-083-087-091-301700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 76 58 53 S7 30.01S TC 24
FLORA* PTSUNNY 79 54 41 S10 29.99S TC 26
FAIRFIELD* PTSUNNY 85 50 29 S12 29.99F HX 82 TC 29
HARRISBURG* PTSUNNY 80 53 37 SW8 30.01 HX 80 TC 27
ROBINSON* PTSUNNY 79 55 44 S8 29.99 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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