Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 302210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SAT AUG 30 2025
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.
ILZ001-002-007-009-015-016-024-302300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 77 63 61 E3 30.10S TC 25
STERLING* MOSUNNY 78 59 51 S5 30.14S TC 26
$$
ILZ003-004-008-010-011-017-018-302300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 72 58 61 E6 30.16S TC 22
FREEPORT* MOSUNNY 73 61 64 SE6 30.16S TC 23
ROCHELLE* CLOUDY 73 57 57 CALM 30.16R TC 23
DE KALB* PTSUNNY 71 60 66 SE3 30.17R TC 22
PERU* CLOUDY 76 56 49 E3 30.14R TC 24
$$
ILZ005-006-012>014-019>023-302300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 70 51 51 E12 30.15S TC 21
CHICAGO-MIDWAY PTSUNNY 71 50 47 E10 30.16R TC 22
AURORA CLOUDY 75 57 53 CALM 30.15S TC 24
JOLIET* CLOUDY 75 57 54 CALM 30.15S TC 24
WAUKEGAN MOSUNNY 70 55 59 E12 30.17S TC 21
DUPAGE AIRPORT CLOUDY 73 55 53 SE3 30.15S TC 23
KANKAKEE* CLOUDY 73 55 53 NE3 30.16R TC 23
WHEELING PTSUNNY 71 54 54 E8 30.18S TC 22
MORRIS* PTSUNNY 74 59 59 CALM 30.14S TC 23
ROMEOVILLE* PTSUNNY 73 57 56 CALM 30.16S TC 23
LANSING* CLOUDY 71 55 57 E9 30.16S TC 22
NORTHERLY ISL* N/A 68 51 54 NE7 N/A TC 20
$$
LMZ740>746-302300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 65 72 10/ 6/ 10 1022.0S 1
WILMETTE BUOY 67 1023.7
HARRISON CRIB 68 60/ 9/ 10 N/A
NORTHERLY ISL 67 40/ 9/ 9 N/A
CALUMET HARBOR 68 20/ 7/ 9 1020.4
BURNS HARBOR 69 40/ 6/ 7 1022.0S
MICHIGAN CITY 67 30/ 9/ 11 1020.1F
MICH CITY BUOY 1012.6
ST. JOSEPH BUOY 1012.6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-302300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 80 60 50 E9 30.08S HX 81 TC 27
GALESBURG* MOSUNNY 79 62 56 SE5 30.12S HX 80 TC 26
MACOMB* MOSUNNY 80 63 56 SE5 30.12S HX 81 TC 26
JACKSONVILLE* MOSUNNY 80 59 50 SE6 30.10S HX 80 TC 26
PITTSFIELD* MOSUNNY 81 62 51 E7 30.11S HX 82 TC 27
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-302300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 57 55 CALM 30.14S TC 23
BLOOMINGTON MOSUNNY 76 58 53 VRB5 30.14F TC 24
DECATUR MOSUNNY 79 57 46 CALM 30.12F HX 80 TC 26
PEORIA MOSUNNY 78 59 51 SE6 30.12S TC 26
LACON* MOSUNNY 75 56 51 E5 30.12S TC 24
LINCOLN* MOSUNNY 78 61 54 SE5 30.12F HX 80 TC 26
SPRINGFIELD MOSUNNY 79 59 50 NE7 30.11S HX 80 TC 26
TAYLORVILLE PTSUNNY 79 59 50 E5 30.11S HX 80 TC 26
$$
ILZ033-039-045-046-055>057-062-063-302300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 79 57 46 E5 30.13F HX 80 TC 26
DANVILLE* MOSUNNY 76 56 49 N3 30.14S TC 25
RANTOUL* MOSUNNY 77 56 48 E7 30.14S TC 25
MATTOON MOSUNNY 78 56 46 NE7 30.11S TC 26
PARIS* CLOUDY 77 57 49 NE6 30.12S TC 25
$$
ILZ079-100>102-302300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 77 63 61 E5 30.09F TC 25
CAHOKIA* MOSUNNY 84 62 47 E10 30.07F HX 85 TC 29
SPARTA* MOSUNNY 84 56 38 NE13 30.08S HX 83 TC 29
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-302300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 58 40 NE6G16 30.06S HX 83 TC 29
CAIRO* MOSUNNY 86 60 41 E9 30.04F HX 86 TC 30
EFFINGHAM* SUNNY 80 57 45 NE5 30.12S HX 81 TC 27
MARION MOSUNNY 82 59 44 NE9 30.07S HX 82 TC 28
MT. VERNON SUNNY 82 60 47 NE8 30.09S HX 82 TC 28
CENTRALIA* SUNNY 83 58 43 NE6 30.10S HX 82 TC 28
METROPOLIS* MOSUNNY 85 55 35 CALM 30.06S HX 84 TC 30
$$
ILZ067-068-072-073-078-083-087-091-302300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 80 56 43 N8 30.10F HX 80 TC 27
FLORA* SUNNY 79 59 50 NE8 30.10F HX 80 TC 26
FAIRFIELD* SUNNY 80 58 47 NE7 30.09S HX 80 TC 27
HARRISBURG* SUNNY 83 55 38 NE10 30.07F HX 82 TC 28
ROBINSON* N/A 79 59 50 NE5 30.10S HX 80 TC 26
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$