464
ASUS43 KLOT 152201
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT THU OCT 15 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 66 65 96 W9 29.82S FOG TC 19
STERLING* CLOUDY 63 63 100 VRB3 29.81F FOG TC 17
SAVANNA* HVY RAIN 62 62 99 S6 29.80F TC 17
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 61 60 97 S5 29.83F FOG TC 16
FREEPORT* CLOUDY 62 60 94 S6 29.82F TC 17
DE KALB* RAIN 61 61 100 SE12 29.82F TC 16
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 64 60 87 S7 29.82F FOG TC 18
CHICAGO-MIDWAY LGT RAIN 66 60 81 VRB7 29.83F FOG TC 19
AURORA LGT RAIN 63 62 97 SE5 29.82F FOG TC 17
JOLIET* HVY RAIN 66 65 97 SE9 29.81F VSB 1/2 TC 19
WAUKEGAN LGT RAIN 60 59 96 S7 29.82F FOG TC 16
DUPAGE AIRPORT HVY RAIN 62 61 96 CALM 29.83F FOG TC 17
WHEELING LGT RAIN 62 60 93 S3 29.84F TC 17
ROMEOVILLE* HVY RAIN 64 64 100 SE5 29.83F VSB 1/4 TC 18
LANSING* CLOUDY 66 59 77 SE6 29.83F TC 19
NORTHERLY ISL* N/A 64 59 83 SE5 N/A TC 18
LMZ740>746-152300-
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 61 61 1016.9F
WAUKEGAN HARBOR 62 62 150/ 14/ 17 1010.8F 3/ 5
WILMETTE BUOY 63 120/ 12/ 16 1012.1F 3/ 5
CHICAGO BUOY 64 62 140/ 6/ 8 1009.3F 2/ 4
HARRISON CRIB 65 150/ 11/ 12 N/A
NORTHERLY ISL 65 180/ 4/ 9 N/A
CALUMET HARBOR 67 150/ 6/ 10 1010.6
MICHIGAN CITY 66 160/ 9/ 12 1009.5F
MICH CITY BUOY 65 62 150/ 10/ 12 N/A 1/ 4
ST. JOSEPH BUOY 63 61 140/ 10/ 12 1011.6F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 72 68 87 W13G23 29.89R TC 22
GALESBURG* CLOUDY 65 65 100 SW8 29.85F TC 18
MACOMB* CLOUDY 69 69 100 W12 29.88S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 70 70 100 SW13 29.86F TC 21
DECATUR CLOUDY 73 71 93 SW10 29.89S TC 23
PEORIA CLOUDY 71 69 93 W10 29.84R TC 22
LACON* LGT RAIN 66 64 94 W5 29.82R TC 19
SPRINGFIELD PTSUNNY 75 71 87 SW12 29.87S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 70 69 97 S15 29.88F FOG TC 21
MATTOON CLOUDY 72 71 97 S8 29.90S TC 22
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 79 72 78 W8 29.92R HX 82 TC 26
CAHOKIA* MOSUNNY 81 70 69 W8 29.91S HX 84 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 87 68 52 SW16G28 29.92R HX 90 TC 31
CAIRO* SUNNY 91 63 38 W12 29.94S HX 92 TC 33
EFFINGHAM* PTSUNNY 77 74 91 SW12 29.93S TC 25
MT. VERNON CLOUDY 82 74 76 W7 29.92S HX 88 TC 28
CENTRALIA* PTSUNNY 81 71 71 W13 29.93R HX 85 TC 27
SALEM* MOSUNNY 82 73 76 MISG 29.92S HX 87 TC 28
ILZ067-068-072-073-078-083-087-091-152300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 79 75 87 S10 29.90F HX 83 TC 26
FLORA* CLOUDY 77 N/A N/A SW7 29.92S TC 25
FAIRFIELD* HVY RAIN 82 73 73 W3 29.91S HX 87 TC 28
HARRISBURG* MOSUNNY 87 72 59 SW9 29.92F HX 93 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page