099
ASUS43 KLOT 302306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-010000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 66 64 93 CALM 29.84S TC 19
STERLING* CLOUDY 65 65 100 CALM 29.87S TC 18
SAVANNA* LGT RAIN 65 65 100 S7 29.85R TC 19
ILZ003-004-008-010-011-017-018-010000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 65 64 97 S7 29.88R FOG TC 18
FREEPORT* CLOUDY 65 64 95 SW9 29.88R TC 19
ROCHELLE* DRIZZLE 64 64 100 S7 29.88S TC 18
DE KALB* DRIZZLE 63 63 100 S13 29.89R TC 17
ILZ005-006-012>014-019>023-010000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 65 63 93 S12 29.86R TC 18
CHICAGO-MIDWAY LGT RAIN 64 63 96 S12G23 29.88S TC 18
AURORA LGT RAIN 64 63 96 S9 29.88S FOG TC 18
JOLIET* LGT RAIN 64 64 100 S5 29.90S TC 18
WAUKEGAN CLOUDY 65 64 97 SW9 29.85R TC 18
DUPAGE AIRPORT LGT RAIN 64 62 93 SW14G23 29.88R TC 18
KANKAKEE* LGT RAIN 65 63 95 SE7 29.92S TC 18
WHEELING LGT RAIN 65 64 97 S13G22 29.86F TC 18
LANSING* RAIN 63 61 94 S9 29.91S TC 17
NORTHERLY ISL* N/A 64 62 93 S12 N/A TC 18
LMZ740>746-010000-
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 64 160/ 8/ 10 1012.6F 2/ 5
WAUKEGAN HARBOR 66 64 210/ 10/ 14 1011.9R 1/ 4
WILMETTE BUOY 66 170/ 14/ 17 1013.2R 1/ 4
CHICAGO BUOY 66 64 220/ 10/ 16 1010.8R 1/ 3
HARRISON CRIB 66 200/ 22/ 24 N/A
NORTHERLY ISL 64 200/ 10/ 12 N/A
CALUMET HARBOR 64 180/ 8/ 14 1012.2
MICHIGAN CITY 64 160/ 11/ 14 1011.6R
MICH CITY BUOY 64 63 190/ 12/ 14 N/A 1/ 2
ST. JOSEPH BUOY 63 61 180/ 14/ 17 1013.2R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-010000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 66 68 E7 29.85R TC 25
GALESBURG* CLOUDY 67 66 97 CALM 29.88S TC 20
MACOMB* CLOUDY 73 66 78 E5 29.88S TC 23
JACKSONVILLE* MOCLDY 81 65 58 CALM 29.86S HX 83 TC 27
PITTSFIELD* MOCLDY 81 64 56 NE3 29.86S HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-010000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 66 66 100 SE6 29.90S TC 19
BLOOMINGTON CLOUDY 69 61 75 E3 29.91S TC 21
DECATUR CLOUDY 74 60 61 NE7 29.89S TC 23
PEORIA CLOUDY 69 64 84 CALM 29.88R TC 21
LACON* CLOUDY 66 63 88 SE3 29.88R TC 19
SPRINGFIELD CLOUDY 79 63 57 E3 29.87R HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 73 59 61 NE6 29.91R TC 23
RANTOUL* RAIN 71 60 66 E7 29.92S TC 22
MATTOON PTCLDY 84 57 39 S6 29.89S HX 83 TC 29
PARIS* MOCLDY 82 56 39 S7 29.92R HX 82 TC 28
ILZ079-100>102-010000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTCLDY 88 60 38 S6 29.85R HX 87 TC 31
SPARTA* PTCLDY 88 57 35 S6 29.90R HX 86 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 88 57 35 SE9 29.89F HX 86 TC 31
CAIRO* PTCLDY 89 63 41 CALM 29.90S HX 90 TC 32
EFFINGHAM* PTCLDY 82 56 40 SE5 29.91S HX 82 TC 28
MARION CLEAR 88 59 37 S6 29.91S HX 87 TC 31
MT. VERNON PTCLDY 88 59 37 SW12 29.91R HX 87 TC 31
CENTRALIA* MOCLDY 89 57 33 S10G16 29.90R HX 87 TC 32
SALEM* MOCLDY 90 59 35 MISG 29.90R HX 89 TC 32
METROPOLIS* PTCLDY 88 58 35 CALM 29.92S HX 87 TC 31
ILZ067-068-072-073-078-083-087-091-010000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 82 58 43 S9 29.92R HX 82 TC 28
FLORA* PTCLDY 86 59 39 S6 29.91R HX 85 TC 30
FAIRFIELD* PTCLDY 87 54 31 S8 29.91R HX 85 TC 31
HARRISBURG* PTCLDY 87 58 36 SW7 29.92R HX 86 TC 31
ROBINSON* PTCLDY 82 57 42 S8 29.91R HX 82 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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