Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 241510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-241600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 59 65 W3 30.09S TC 22
STERLING* MOSUNNY 69 63 81 W5 30.11R TC 21
SAVANNA* MOSUNNY 66 56 70 CALM 30.10R TC 19
$$
ILZ003-004-008-010-011-017-018-241600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 69 55 60 CALM 30.10R TC 21
FREEPORT* SUNNY 66 60 82 CALM 30.11R TC 19
ROCHELLE* SUNNY 67 58 72 CALM 30.10R TC 20
DE KALB* SUNNY 69 56 64 N3 30.09S TC 21
PERU* MOSUNNY 72 59 64 W5 30.09R TC 22
$$
ILZ005-006-012>014-019>023-241600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 72 52 49 N6 30.06R TC 22
CHICAGO-MIDWAY MOSUNNY 72 53 51 NW8 30.06R TC 22
AURORA SUNNY 68 59 73 N3 30.08R TC 20
JOLIET* SUNNY 73 56 56 CALM 30.08R TC 23
WAUKEGAN NOT AVBL
DUPAGE AIRPORT SUNNY 73 55 53 N5 30.09 TC 23
KANKAKEE* SUNNY 69 58 66 W3 30.09R TC 21
WHEELING SUNNY 70 56 61 N7 30.08R TC 21
LANSING* SUNNY 72 53 50 NW8 30.07R TC 22
NORTHERLY ISL* N/A 73 57 57 NE9 N/A TC 23
$$
LMZ740>746-241600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 66 73 340/ 10/ 12 1017.5 3/ 5
WAUKEGAN HARBOR 66 73 340/ 8/ 10 1018.4 2/ 7
WILMETTE BUOY 67 30/ 10/ 14 1020.6R 2/ 5
CHICAGO BUOY 69 73 1017.0 2/ 4
NORTHERLY ISL 73 340/ 4 N/A
CALUMET HARBOR 71 340/ 6/ 7 1017.7
MICH CITY BUOY 69 74 100/ 2/ 4 N/A 2/ 6
ST. JOSEPH BUOY 67 74 260/ 6/ 8 1018.4S 2/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-241600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 71 60 68 S6 30.10R TC 22
GALESBURG* MOSUNNY 71 61 71 CALM 30.11R TC 22
MACOMB* MOSUNNY 71 63 76 CALM 30.12R TC 22
JACKSONVILLE* SUNNY 72 61 68 SW3 30.10R TC 22
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-241600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 73 56 54 W5 30.11R TC 23
DECATUR SUNNY 71 55 56 CALM 30.09S TC 22
PEORIA NOT AVBL
LACON* MOSUNNY 69 59 69 CALM 30.08R TC 21
LINCOLN* SUNNY 73 60 64 CALM 30.10R TC 23
SPRINGFIELD SUNNY 72 58 61 SW3 30.09R TC 22
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-241600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 69 59 70 CALM 30.09S TC 21
RANTOUL* SUNNY 69 57 64 CALM 30.09R TC 21
MATTOON MOSUNNY 70 55 59 CALM 30.08F TC 21
PARIS* SUNNY 71 57 61 CALM 30.09F TC 22
$$
ILZ079-100>102-241600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 61 64 S8 30.09R TC 23
BELLEVILLE MOSUNNY 74 64 69 S3 30.07R TC 23
CAHOKIA* SUNNY 73 60 63 S5 30.08R TC 23
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-241600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* SUNNY 76 64 65 CALM 30.08S TC 25
EFFINGHAM* MOSUNNY 73 56 56 E3 30.10S TC 23
MT. VERNON SUNNY 76 57 51 VRB6 30.08S TC 24
CENTRALIA* SUNNY 74 58 57 CALM 30.08S TC 24
SALEM* SUNNY 73 61 64 MISG 30.09R TC 23
METROPOLIS* SUNNY 75 59 56 E3 30.08S TC 24
$$
ILZ067-068-072-073-078-083-087-091-241600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 73 57 57 E3 30.08F TC 23
FLORA* MOSUNNY 72 61 68 SE5 30.09S TC 22
FAIRFIELD* SUNNY 73 57 57 CALM 30.08S TC 23
HARRISBURG* SUNNY 74 63 69 CALM 30.08S TC 23
ROBINSON* MOSUNNY 73 59 60 NE3 30.08S TC 23
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$