129
ASUS43 KLOT 280710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT MON SEP 28 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.
ILZ001-002-007-009-015-016-024-280800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 55 54 96 CALM 30.11R TC 13
STERLING* PTCLDY 53 52 96 CALM 30.12S TC 12
SAVANNA* MOCLDY 56 56 99 CALM 30.12S TC 13
ILZ003-004-008-010-011-017-018-280800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 48 48 100 CALM 30.13S TC 9
FREEPORT* PTCLDY 50 49 95 CALM 30.14S TC 10
ROCHELLE* CLEAR 46 46 100 CALM 30.12S TC 8
DE KALB* CLEAR 51 51 100 CALM 30.12S TC 10
PERU* CLEAR 50 48 93 NW3 30.11S TC 10
ILZ005-006-012>014-019>023-280800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 54 52 93 N3 30.09R TC 12
CHICAGO-MIDWAY CLEAR 55 54 96 CALM 30.09S TC 13
AURORA CLEAR 45 45 100 NW5 30.10S FOG TC 7
JOLIET* CLEAR 49 49 100 CALM 30.10S FOG TC 9
WAUKEGAN CLEAR 52 51 97 NW5 30.09S TC 11
DUPAGE AIRPORT CLEAR 49 48 97 NW3 30.10S FOG TC 9
KANKAKEE* CLEAR 48 47 95 CALM 30.10R TC 9
WHEELING PTCLDY 52 52 100 N3 30.11S TC 11
ROMEOVILLE* CLEAR 52 52 100 N5 30.10S TC 11
LANSING* CLEAR 48 47 96 CALM 30.09S TC 9
NORTHERLY ISL* N/A 61 56 83 N6 N/A TC 16
LMZ740>746-280800-
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 58 65 300/ 8/ 10 1017.8 1/ 3
WAUKEGAN HARBOR 59 64 290/ 6/ 8 1018.7 1/ 3
WILMETTE BUOY 63 350/ 10/ 14 1020.7R 1/ 3
CHICAGO BUOY 63 64 340/ 8/ 12 1017.5 2/ 3
HARRISON CRIB 62 330/ 9/ 9 N/A
NORTHERLY ISL 61 340/ 7/ 8 N/A
CALUMET HARBOR 62 350/ 5/ 6 1018.7R
MICHIGAN CITY 58 CALM / 2 N/A
MICH CITY BUOY 61 62 360/ 4/ 6 N/A 1/ 3
ST. JOSEPH BUOY 57 58 310/ 2/ 4 1018.8S 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-280800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 57 89 N3 30.10R TC 16
GALESBURG* PTCLDY 52 52 100 NE3 30.11F TC 11
MACOMB* PTCLDY 52 52 100 CALM 30.12S TC 11
JACKSONVILLE* MOCLDY 55 55 100 CALM 30.09S TC 13
PITTSFIELD* MOCLDY 61 57 86 N3 30.11R TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-280800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 46 46 100 CALM 30.11S TC 8
BLOOMINGTON CLEAR 52 49 89 NE5 30.11S TC 11
DECATUR CLEAR 51 47 86 NE5 30.09S TC 11
PEORIA CLEAR 53 51 93 CALM 30.11R TC 12
LACON* CLEAR 49 47 92 CALM 30.11R TC 10
LINCOLN* CLEAR 52 48 86 CALM 30.10S TC 11
SPRINGFIELD PTCLDY 51 49 92 N3 30.10R TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-280800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 53 49 86 NE6 30.08S TC 12
RANTOUL* CLEAR 53 52 97 N5 30.09S TC 11
MATTOON CLEAR 50 46 86 CALM 30.07S TC 10
PARIS* CLEAR 48 47 94 CALM 30.07S TC 9
ILZ079-100>102-280800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 64 55 74 CALM 30.08R TC 18
CAHOKIA* MOCLDY 63 59 87 CALM 30.07R TC 17
SPARTA* PTCLDY 62 55 76 CALM 30.08R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-280800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 59 57 92 CALM 30.05R TC 15
EFFINGHAM* CLEAR 51 47 84 CALM 30.09R TC 11
MARION CLEAR 52 52 100 CALM 30.06R TC 11
MT. VERNON CLEAR 46 45 96 CALM 30.07R TC 8
CENTRALIA* CLEAR 46 45 97 CALM 30.07R FOG TC 8
SALEM* CLEAR 56 46 71 MISG 30.06S TC 13
METROPOLIS* PTCLDY 49 49 97 CALM 30.05R TC 10
ILZ067-068-072-073-078-083-087-091-280800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 57 48 72 N5 30.05R TC 14
FLORA* CLEAR 54 48 82 N6 30.06S TC 12
FAIRFIELD* CLEAR 52 47 83 CALM 30.06R TC 11
HARRISBURG* CLEAR 48 47 95 CALM 30.06R TC 9
ROBINSON* CLEAR 48 48 100 NW5 30.06R TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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