326
ASUS43 KLOT 300310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SAT AUG 29 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.
ILZ001-002-007-009-015-016-024-300400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 75 65 70 S10G22 29.95R TC 24
STERLING* PTCLDY 73 66 78 VRB3 29.99S TC 23
SAVANNA* MOCLDY 73 64 72 S9 29.96R TC 23
ILZ003-004-008-010-011-017-018-300400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 72 65 78 S12 29.99R TC 22
FREEPORT* MOCLDY 73 69 88 S12 29.98S TC 23
ROCHELLE* PTCLDY 70 64 81 S7 30.00S TC 21
DE KALB* PTCLDY 69 65 88 S10 30.02S TC 21
ILZ005-006-012>014-019>023-300400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 74 62 66 S12 30.02S TC 23
CHICAGO-MIDWAY MOCLDY 75 62 64 S12 30.03F TC 24
AURORA PTCLDY 70 65 84 S9 30.01F TC 21
JOLIET* PTCLDY 73 66 78 S6 30.04F TC 23
WAUKEGAN PTCLDY 73 63 70 S10 30.00S TC 23
DUPAGE AIRPORT NOT AVBL
KANKAKEE* PTCLDY 67 65 92 SE6 30.07S TC 20
WHEELING MOCLDY 74 63 68 S12 30.03S TC 23
ROMEOVILLE* PTCLDY 72 66 83 S12 30.04F TC 22
LANSING* MOCLDY 72 61 68 S7 30.06S TC 22
NORTHERLY ISL* N/A 75 60 59 S10 N/A TC 24
LMZ740>746-300400-
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 75 73 130/ 16/ 19 1015.4 2/ 3
WAUKEGAN HARBOR 76 74 170/ 16/ 19 1016.5 1/ 3
WILMETTE BUOY 77 190/ 16/ 21 1019.6 2/ 3
CHICAGO BUOY 76 74 1015.9 1/ 3
NORTHERLY ISL 75 170/ 5/ 10 N/A
CALUMET HARBOR 76 160/ 5/ 6 1017.4
MICH CITY BUOY 74 74 170/ 10/ 12 N/A 1
ST. JOSEPH BUOY 73 73 160/ 10/ 10 1018.6R 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-300400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 74 63 68 S9 29.99R TC 23
GALESBURG* PTCLDY 71 66 84 S8 30.00S TC 22
MACOMB* CLEAR 71 67 88 S9 30.01S TC 22
JACKSONVILLE* PTCLDY 75 63 66 S8 30.03S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-300400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 69 66 92 SE5 30.04F TC 21
BLOOMINGTON MOCLDY 72 65 78 S10 30.07R TC 22
DECATUR PTCLDY 71 64 78 SE7 30.07S TC 22
PEORIA PTCLDY 74 64 71 S9 30.02R TC 23
LACON* PTCLDY 73 63 70 S10 30.01R TC 23
LINCOLN* MOCLDY 73 66 77 S5 30.05S TC 23
SPRINGFIELD PTCLDY 73 64 73 S7 30.04S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 68 63 84 SE8 30.08R TC 20
RANTOUL* MOCLDY 67 64 90 S3 30.08R TC 19
MATTOON PTCLDY 69 63 81 SE6 30.07S TC 21
PARIS* PTCLDY 65 64 96 CALM 30.09R TC 18
ILZ079-100>102-300400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE PTCLDY 73 69 88 CALM 30.03R TC 23
CAHOKIA* PTCLDY 72 65 78 S3 30.04R TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 72 72 100 CALM 30.07S TC 22
EFFINGHAM* PTCLDY 70 67 91 CALM 30.09R TC 21
MARION PTCLDY 71 65 81 CALM 30.08R TC 22
MT. VERNON CLEAR 65 64 97 CALM 30.08R TC 18
CENTRALIA* CLEAR 68 64 86 MISG 30.07S TC 20
SALEM* CLEAR 71 66 85 MISG 30.07S TC 22
METROPOLIS* MOCLDY 68 68 98 CALM 30.08R TC 20
ILZ067-068-072-073-078-083-087-091-300400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 71 63 75 CALM 30.08R TC 22
FLORA* PTCLDY 70 64 83 CALM 30.08R TC 21
FAIRFIELD* PTCLDY 69 63 82 CALM 30.08R TC 20
HARRISBURG* PTCLDY 69 67 92 CALM 30.08R TC 21
ROBINSON* PTCLDY 64 63 94 S3 30.08R TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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