Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 240010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT SUN AUG 23 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.
ILZ001-002-007-009-015-016-024-240100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 73 54 51 NW8 30.02F TC 23
6HR MIN TEMP: 73; 6HR MAX TEMP: 78;
STERLING* CLEAR 73 54 51 NW6 30.03F TC 23
SAVANNA* CLEAR 74 52 46 NW7 30.03S TC 23
$$
ILZ003-004-008-010-011-017-018-240100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 72 54 53 NW8 30.01F TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 77;
FREEPORT* CLEAR 72 54 52 NW6 30.04S TC 22
ROCHELLE* CLEAR 70 54 56 W6 30.02F TC 21
DE KALB* CLEAR 69 55 60 NW6 30.02F TC 21
PERU* CLEAR 72 57 60 NW3 30.02F TC 22
$$
ILZ005-006-012>014-019>023-240100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 72 51 47 NW9 29.98F TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 77;
CHICAGO-MIDWAY PTCLDY 72 51 47 NW8 29.98F TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 76;
AURORA CLEAR 69 58 67 NW3 30.00F TC 21
6HR MIN TEMP: 69; 6HR MAX TEMP: 75;
JOLIET* CLEAR 74 54 49 CALM 30.01S TC 23
WAUKEGAN NOT AVBL
DUPAGE AIRPORT NOT AVBL
KANKAKEE* PTCLDY 70 54 56 NW6 30.02S TC 21
WHEELING PTCLDY 72 52 49 NW9 30.00F TC 22
6HR MIN TEMP: 72; 6HR MAX TEMP: 75;
LANSING* MOCLDY 72 48 42 NW5 29.99F TC 22
NORTHERLY ISL* N/A 73 48 41 NW8 N/A TC 23
$$
LMZ740>746-240100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 73 73 310/ 10/ 14 1015.0 3/ 6
WAUKEGAN HARBOR 73 73 300/ 8/ 10 1016.1 2/ 6
WILMETTE BUOY 74 20/ 12/ 16 1018.4F 3/ 5
CHICAGO BUOY 74 73 1014.2 3/ 5
NORTHERLY ISL 74 330/ 6/ 16 N/A
CALUMET HARBOR 74 330/ 5/ 11 1015.6
MICH CITY BUOY 71 74 360/ 8/ 12 N/A 3/ 6
ST. JOSEPH BUOY 70 73 350/ 8/ 10 1016.3F 3/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-240100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 71 61 70 CALM 30.05S TC 22
GALESBURG* CLEAR 72 60 66 NW3 30.05S TC 22
MACOMB* CLEAR 71 63 76 NW3 30.06F TC 22
JACKSONVILLE* PTCLDY 72 60 66 CALM 30.05S TC 22
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-240100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 70 56 61 NW3 30.02F TC 21
BLOOMINGTON CLEAR 72 57 59 N9 30.04F TC 22
DECATUR CLEAR 74 58 57 N8 30.03S TC 23
PEORIA NOT AVBL
LACON* CLEAR 71 53 51 N3 30.02F TC 22
LINCOLN* CLEAR 74 60 60 CALM 30.03S TC 24
SPRINGFIELD CLEAR 74 60 61 NW3 30.03F TC 23
6HR MIN TEMP: 74; 6HR MAX TEMP: 80;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-240100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 70 60 70 NW7 30.02F TC 21
RANTOUL* CLEAR 71 57 60 N8 30.03S TC 22
MATTOON CLEAR 71 59 65 W7 30.01F TC 22
PARIS* PTCLDY 71 60 67 CALM 30.01F TC 22
$$
ILZ079-100>102-240100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 75 57 53 N5 30.04R TC 24
BELLEVILLE CLEAR 77 63 62 N6 30.01R TC 25
CAHOKIA* MOCLDY 77 57 50 N8 30.02S TC 25
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 77 61 57 N3 30.01F TC 25
CAIRO* MOCLDY 75 71 86 CALM 30.01S TC 24
EFFINGHAM* PTCLDY 75 58 55 W3 30.04S TC 24
MT. VERNON MOCLDY 76 58 53 CALM 30.02F TC 24
CENTRALIA* MOCLDY 73 61 68 CALM 30.02F TC 23
SALEM* PTCLDY 73 65 76 MISG 30.03S TC 23
METROPOLIS* MOCLDY 75 65 70 CALM 30.01F TC 24
$$
ILZ067-068-072-073-078-083-087-091-240100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 75 55 49 NW8 30.00F TC 24
FLORA* PTCLDY 73 61 64 N5 30.02S TC 23
FAIRFIELD* PTCLDY 75 58 56 CALM 30.01F TC 24
HARRISBURG* MOCLDY 76 59 54 NW5 30.02S TC 25
ROBINSON* PTCLDY 73 63 68 W5 30.00F TC 23
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$