876
ASUS43 KLOT 301706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-301800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE HVY RAIN 64 62 93 S9 29.87F FOG TC 18
STERLING* CLOUDY 63 63 100 VRB5 29.91F TC 17
SAVANNA* CLOUDY 64 64 98 S9 29.88S TC 18
ILZ003-004-008-010-011-017-018-301800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 64 62 93 S15 29.90S FOG TC 18
FREEPORT* CLOUDY 65 64 96 SW15 29.90R TC 18
ROCHELLE* CLOUDY 62 62 100 S10 29.91F FOG TC 17
DE KALB* DRIZZLE 61 61 100 S13 29.92F TC 16
ILZ005-006-012>014-019>023-301800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 62 60 93 S10G18 29.91F FOG TC 17
CHICAGO-MIDWAY RAIN 62 60 93 S12 29.92F FOG TC 17
AURORA LGT RAIN 62 61 96 S7 29.92F FOG TC 17
JOLIET* HVY RAIN 62 62 100 S6 29.94F TC 17
WAUKEGAN CLOUDY 63 62 97 SW10G20 29.89F FOG TC 17
DUPAGE AIRPORT RAIN 62 61 96 S12 29.92F FOG TC 17
KANKAKEE* LGT RAIN 62 60 95 S5 29.99R TC 17
WHEELING LGT RAIN 63 62 97 S16 29.90F FOG TC 17
LANSING* LGT RAIN 61 59 94 S9 29.96F TC 16
NORTHERLY ISL* N/A 61 59 93 S12 N/A TC 16
LMZ740>746-301800-
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 64 65 150/ 14/ 17 1011.9R 3/ 4
WAUKEGAN HARBOR 65 65 190/ 14/ 17 1013.0F 2/ 3
WILMETTE BUOY 63 160/ 16/ 19 1014.8F 2/ 3
CHICAGO BUOY 63 64 200/ 14/ 17 1012.4F 2/ 3
HARRISON CRIB 63 190/ 22/ 24 N/A
NORTHERLY ISL 61 210/ 7/ 12 N/A
CALUMET HARBOR 61 160/ 11/ 13 1014.1F
MICHIGAN CITY 62 160/ 5/ 6 1014.2F
MICH CITY BUOY 62 63 150/ 8/ 12 N/A 1
ST. JOSEPH BUOY 62 62 170/ 8/ 10 1015.6F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-301800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 63 81 E6 29.90F TC 21
GALESBURG* RAIN 63 63 100 S6 29.92F TC 17
MACOMB* CLOUDY 65 65 99 SE3 29.94S TC 18
JACKSONVILLE* CLOUDY 76 56 50 S3 29.90F TC 24
PITTSFIELD* CLOUDY 80 57 44 SW5 29.91S HX 80 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-301800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 66 62 87 SE7 29.97F TC 19
DECATUR CLOUDY 76 55 48 S6 29.95F TC 24
PEORIA LGT RAIN 63 61 93 S6 29.93F TC 17
LACON* LGT RAIN 62 59 92 S5 29.92F TC 17
SPRINGFIELD CLOUDY 71 58 63 NE3 29.92F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-301800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 75 51 43 S5 29.97F TC 24
RANTOUL* CLOUDY 71 53 54 CALM 29.98F TC 22
MATTOON CLOUDY 78 54 43 S9 29.96F TC 26
PARIS* CLOUDY 78 52 40 S9 29.99S TC 25
ILZ079-100>102-301800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 55 37 SW12 29.94F HX 83 TC 29
BELLEVILLE MOSUNNY 90 57 33 SW12 29.92F HX 88 TC 32
CAHOKIA* PTSUNNY 88 57 34 VRB3 29.92F HX 87 TC 31
SPARTA* MOSUNNY 87 54 32 S12G17 29.96F HX 85 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 55 37 SW12G21 29.97F HX 83 TC 29
CAIRO* PTSUNNY 85 56 37 SW7 29.99F HX 84 TC 30
EFFINGHAM* PTSUNNY 80 56 44 SE6 29.98F HX 80 TC 27
MT. VERNON MOSUNNY 86 56 35 SW14 29.98F HX 85 TC 30
CENTRALIA* MOSUNNY 90 53 27 S12G20 29.96F HX 88 TC 32
SALEM* CLOUDY 88 56 34 MISG 29.96F HX 86 TC 31
METROPOLIS* PTSUNNY 85 54 34 S3 30.01F HX 83 TC 29
ILZ067-068-072-073-078-083-087-091-301800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 80 56 43 S10 29.99F HX 80 TC 27
FLORA* PTSUNNY 86 55 35 SW8 29.98F HX 84 TC 30
FAIRFIELD* PTSUNNY 85 51 31 S10 29.98F HX 83 TC 29
HARRISBURG* PTSUNNY 85 54 34 SW10 30.00F HX 83 TC 30
ROBINSON* CLOUDY 81 55 41 S9 29.98F HX 80 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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