Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 240508
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT MON AUG 24 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-240600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 58 56 93 SW3 30.05S TC 14
STERLING* CLEAR 58 58 100 CALM 30.06S TC 14
SAVANNA* CLEAR 57 56 94 CALM 30.05S TC 14
$$
ILZ003-004-008-010-011-017-018-240600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 56 54 93 CALM 30.05F TC 13
FREEPORT* CLEAR 56 55 95 CALM 30.06S TC 14
ROCHELLE* CLEAR 54 52 94 CALM 30.05S TC 12
DE KALB* CLEAR 57 54 89 W5 30.05S TC 14
PERU* CLEAR 59 57 94 W3 30.05S TC 15
$$
ILZ005-006-012>014-019>023-240600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 64 54 69 W6 30.01S TC 18
CHICAGO-MIDWAY CLEAR 66 54 65 W5 30.01S TC 19
AURORA CLEAR 56 55 97 CALM 30.03S TC 13
JOLIET* CLEAR 59 58 97 CALM 30.03F TC 15
WAUKEGAN NOT AVBL
DUPAGE AIRPORT NOT AVBL
KANKAKEE* CLEAR 58 56 92 W5 30.04F TC 15
WHEELING MOCLDY 63 54 72 CALM 30.03S TC 17
ROMEOVILLE* CLEAR 64 59 82 W5 30.04S TC 18
LANSING* CLEAR 58 56 91 CALM 30.02S TC 15
NORTHERLY ISL* N/A 69 51 52 W3 N/A TC 21
$$
LMZ740>746-240600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 67 73 290/ 8/ 10 1015.6F 2/ 6
WAUKEGAN HARBOR 67 73 270/ 8/ 10 1016.4F 1/ 5
WILMETTE BUOY 71 330/ 10/ 14 1018.8F 2/ 6
CHICAGO BUOY 72 73 1015.1F 2/ 4
NORTHERLY ISL 69 270/ 2/ 9 N/A
CALUMET HARBOR 67 260/ 1/ 3 1016.4
MICH CITY BUOY 69 74 190/ 8/ 12 N/A 2/ 6
ST. JOSEPH BUOY 69 73 340/ 4/ 6 1016.9F 2/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-240600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 63 57 81 CALM 30.06F TC 17
GALESBURG* CLEAR 57 57 100 CALM 30.08R FOG TC 14
MACOMB* CLEAR 58 58 100 CALM 30.09S TC 14
JACKSONVILLE* CLEAR 57 57 100 CALM 30.07S TC 14
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-240600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 59 58 97 CALM 30.05S TC 15
BLOOMINGTON CLEAR 61 58 90 W3 30.07S TC 16
DECATUR CLEAR 61 57 87 CALM 30.06S TC 16
PEORIA CLEAR 61 57 88 CALM 30.06S TC 16
LACON* CLEAR 57 54 90 CALM 30.05S TC 14
LINCOLN* CLEAR 61 61 100 CALM 30.06S TC 16
SPRINGFIELD CLEAR 60 59 96 CALM 30.06S TC 16
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-240600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 58 58 100 NW3 30.05F TC 14
RANTOUL* CLEAR 58 57 98 W5 30.06S TC 14
MATTOON CLEAR 62 59 90 CALM 30.04F TC 17
PARIS* CLEAR 57 57 97 CALM 30.05F TC 14
$$
ILZ079-100>102-240600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 61 58 90 CALM 30.06S TC 16
CAHOKIA* CLEAR 61 59 93 CALM 30.05S TC 16
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 67 67 100 CALM 30.04R TC 20
EFFINGHAM* CLEAR 60 60 100 CALM 30.07R TC 16
MARION CLEAR 60 60 98 CALM 30.05R TC 16
MT. VERNON CLEAR 57 57 100 CALM 30.04F TC 14
CENTRALIA* CLEAR 58 57 97 CALM 30.05S TC 15
SALEM* CLEAR 62 59 87 MISG 30.05S TC 17
METROPOLIS* PTCLDY 62 62 98 CALM 30.04S TC 17
$$
ILZ067-068-072-073-078-083-087-091-240600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 63 59 87 N5 30.04S TC 17
FLORA* CLEAR 63 59 88 N3 30.05S TC 17
FAIRFIELD* CLEAR 60 57 91 CALM 30.04S TC 16
HARRISBURG* CLEAR 61 60 97 CALM 30.04S TC 16
ROBINSON* PTCLDY 57 57 100 CALM 30.04S TC 14
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$