Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 241701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SUN AUG 24 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.
ILZ001-002-007-009-015-016-024-241800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 54 54 NW17G26 30.05S TC 22
$$
ILZ003-004-008-010-011-017-018-241800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 67 52 58 NW14 30.01S TC 19
ROCHELLE* MOSUNNY 68 54 60 W13 30.01F TC 20
PERU* PTSUNNY 69 57 65 W12 30.02F TC 21
$$
ILZ005-006-012>014-019>023-241800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 69 53 56 NW12 29.96F TC 21
CHICAGO-MIDWAY PTSUNNY 72 52 49 W13G21 29.96F TC 22
AURORA PTSUNNY 71 59 65 W14G20 29.99S TC 22
JOLIET* PTSUNNY 71 56 57 W9 29.99F TC 22
WAUKEGAN PTSUNNY 71 53 52 NW10G20 29.95S TC 22
DUPAGE AIRPORT PTSUNNY 69 56 62 W10G21 29.98S TC 21
WHEELING PTSUNNY 71 53 52 NW16G22 29.97F TC 22
MORRIS* PTSUNNY 70 56 62 W14 29.99F TC 21
ROMEOVILLE* PTSUNNY 70 57 64 W10G22 29.99F TC 21
LANSING* PTSUNNY 71 56 58 W9G18 29.98F TC 22
NORTHERLY ISL* N/A 70 50 49 W7 N/A TC 21
$$
LMZ740>746-241800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 66 73 270/ 14/ 17 1013.8S
WINTHROP HARBOR 67 72 230/ 14/ 19 N/A 1/ 2
WAUKEGAN HARBOR 68 72 N/A 1/ 2
WILMETTE BUOY 69 320/ 14/ 19 1016.1F 2/ 5
HARRISON CRIB 69 290/ 14/ 17 N/A
NORTHERLY ISL 70 220/ 10/ 13 N/A
CALUMET HARBOR 70 240/ 6/ 12 1013.8
BURNS HARBOR 69 280/ 6/ 8 1015.2F
MICHIGAN CITY 67 270/ 15/ 17 1013.7F
MICH CITY BUOY 67 73 250/ 12/ 16 1013.4F 5/ 6
ST. JOSEPH BUOY 68 71 240/ 16/ 19 1015.3F 4/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-241800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 69 52 54 NW12 30.11S TC 21
GALESBURG* MOSUNNY 70 53 54 NW15G26 30.08S TC 21
MACOMB* MOSUNNY 71 55 56 NW9 30.10F TC 22
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-241800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 69 55 61 NW12G22 30.03S TC 20
BLOOMINGTON PTSUNNY 71 54 54 NW14 30.05F TC 22
DECATUR SUNNY 73 54 51 NW13G23 30.06S TC 23
PEORIA PTSUNNY 71 52 50 W17G23 30.05F TC 22
LACON* PTSUNNY 70 53 54 NW10 30.03F TC 21
LINCOLN* PTSUNNY 72 55 55 W6 30.06F TC 22
SPRINGFIELD MOSUNNY 72 54 53 NW13G22 30.07F TC 22
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-241800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 72 55 55 NW15G21 30.04S TC 22
DANVILLE* PTSUNNY 71 53 53 W9 30.02F TC 22
RANTOUL* MOSUNNY 70 55 57 NW10G16 30.03S TC 21
MATTOON SUNNY 73 51 46 NW13G23 30.04F TC 23
PARIS* PTSUNNY 71 53 52 W14G20 30.03F TC 22
$$
ILZ079-100>102-241800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 72 55 56 NW10 30.09F TC 22
BELLEVILLE MOSUNNY 78 56 46 N15 30.06F TC 26
CAHOKIA* MOSUNNY 76 56 49 N14G22 30.08F TC 24
SPARTA* MOSUNNY 78 51 39 N9 30.09F TC 26
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-241800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 77 53 43 NW7G21 30.07F TC 25
CAIRO* SUNNY 78 58 48 N9 30.06F TC 26
EFFINGHAM* MOSUNNY 74 53 48 W18G26 30.07F TC 23
MARION SUNNY 75 54 46 N16G22 30.06F TC 24
MT. VERNON MOSUNNY 76 53 44 N8 30.07F TC 24
CENTRALIA* PTSUNNY 77 52 41 NW13 30.07F TC 25
SALEM* PTSUNNY 77 52 41 NW10G22 30.07F TC 25
METROPOLIS* SUNNY 77 54 44 NW9G16 30.06S TC 25
$$
ILZ067-068-072-073-078-083-087-091-241800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 75 53 46 NW14 30.03F TC 24
FLORA* MOSUNNY 73 55 53 NW15 30.06F TC 23
FAIRFIELD* PTSUNNY 74 54 49 CALM 30.05F TC 24
HARRISBURG* SUNNY 77 53 42 N8 30.06F TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$