Regional Weather Roundup
Issued by NWS
Issued by NWS
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964
ASUS43 KLOT 302306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-310000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 77 64 64 E7 30.11R TC 25
STERLING* MOSUNNY 76 61 59 CALM 30.14S TC 24
$$
ILZ003-004-008-010-011-017-018-310000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 71 59 65 E3 30.16S TC 22
ROCHELLE* MOSUNNY 72 58 62 CALM 30.15S TC 22
PERU* MOSUNNY 76 58 51 E6 30.13S TC 25
$$
ILZ005-006-012>014-019>023-310000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 69 50 50 E13 30.16R TC 21
CHICAGO-MIDWAY PTSUNNY 71 49 45 NE10 30.16S TC 22
AURORA MOSUNNY 76 57 51 CALM 30.15S TC 24
JOLIET* PTSUNNY 73 57 57 NE3 30.15S TC 23
WAUKEGAN MOSUNNY 68 55 63 E7 30.18R TC 20
DUPAGE AIRPORT CLOUDY 70 53 54 E10 30.15S TC 21
WHEELING PTSUNNY 69 54 58 E8 30.19R TC 21
MORRIS* CLOUDY 73 60 63 CALM 30.14S TC 23
ROMEOVILLE* CLOUDY 72 57 60 NE9 30.16S TC 22
LANSING* CLOUDY 68 55 61 NE8 30.17R TC 20
NORTHERLY ISL* N/A 67 52 58 NE6 N/A TC 19
$$
LMZ740>746-310000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 65 72 20/ 6/ 8 1022.0S 1
WILMETTE BUOY 67 1023.7
HARRISON CRIB 68 50/ 8/ 9 N/A
NORTHERLY ISL 68 40/ 7/ 10 N/A
CALUMET HARBOR 69 30/ 6/ 9 1020.5
BURNS HARBOR 68 40/ 4/ 6 1022.0S
MICHIGAN CITY 68 20/ 7/ 8 1020.3R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-310000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 61 55 SE8 30.08S HX 80 TC 26
GALESBURG* MOSUNNY 77 62 59 E5 30.12S TC 25
MACOMB* MOSUNNY 78 64 61 E5 30.12S TC 25
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-310000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 75 59 57 E5 30.14S TC 24
BLOOMINGTON MOSUNNY 76 58 53 VRB6 30.14S TC 24
DECATUR MOSUNNY 79 58 48 CALM 30.12S HX 80 TC 26
PEORIA MOSUNNY 78 58 49 SE5 30.12S TC 26
LACON* MOSUNNY 76 56 49 SE3 30.12S TC 24
LINCOLN* MOSUNNY 78 61 57 CALM 30.12S TC 25
SPRINGFIELD MOSUNNY 77 60 55 E7 30.10F TC 25
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-310000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 77 58 51 NE8 30.12F TC 25
DANVILLE* SUNNY 75 57 53 NE3 30.14S TC 24
RANTOUL* MOSUNNY 76 57 52 NE9 30.13S TC 24
MATTOON SUNNY 78 57 48 NE7 30.11S TC 26
PARIS* MOSUNNY 75 55 50 NE6 30.12S TC 24
$$
ILZ079-100>102-310000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 77 64 65 CALM 30.09S TC 25
CAHOKIA* MOSUNNY 80 61 52 E9 30.07S HX 81 TC 27
SPARTA* SUNNY 84 56 39 E7 30.08S HX 83 TC 29
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 81 59 47 E6 30.06S HX 81 TC 27
CAIRO* MOSUNNY 85 59 41 NE8 30.05S HX 84 TC 29
EFFINGHAM* SUNNY 77 59 53 E3 30.12R TC 25
MARION SUNNY 82 59 44 E6 30.07S HX 82 TC 28
MT. VERNON SUNNY 81 60 48 NE8 30.09S HX 82 TC 27
CENTRALIA* SUNNY 82 58 44 NE5 30.09S HX 82 TC 28
SALEM* SUNNY 81 59 47 NE3 30.10S HX 81 TC 27
METROPOLIS* SUNNY 83 55 38 CALM 30.06S HX 82 TC 28
$$
ILZ067-068-072-073-078-083-087-091-310000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 78 56 46 N8 30.10S TC 26
FLORA* SUNNY 79 59 50 E8 30.10S HX 80 TC 26
FAIRFIELD* SUNNY 79 59 50 NE8 30.09S HX 80 TC 26
HARRISBURG* SUNNY 81 56 41 E10 30.08S HX 81 TC 27
ROBINSON* N/A 79 59 50 E9 30.10S HX 80 TC 26
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$