Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 241802
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-241900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 71 53 52 NW15G23 30.03F TC 22
6HR MIN TEMP: 58; 6HR MAX TEMP: 72;
$$
ILZ003-004-008-010-011-017-018-241900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 69 52 54 NW15G23 30.00F TC 21
6HR MIN TEMP: 56; 6HR MAX TEMP: 71;
ROCHELLE* PTSUNNY 70 51 50 NW16G22 30.00F TC 21
$$
ILZ005-006-012>014-019>023-241900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 72 52 49 W14G23 29.94F TC 22
6HR MIN TEMP: 59; 6HR MAX TEMP: 72;
CHICAGO-MIDWAY PTSUNNY 72 51 47 W16G29 29.95F TC 22
6HR MIN TEMP: 61; 6HR MAX TEMP: 73;
AURORA MOSUNNY 71 54 54 W15G26 29.98F TC 22
6HR MIN TEMP: 56; 6HR MAX TEMP: 72;
JOLIET* PTSUNNY 74 55 52 W10G16 29.98F TC 23
WAUKEGAN PTSUNNY 71 51 49 W14G23 29.94F TC 22
6HR MIN TEMP: 59; 6HR MAX TEMP: 73;
DUPAGE AIRPORT MOSUNNY 72 54 53 W15G24 29.96F TC 22
6HR MIN TEMP: 59; 6HR MAX TEMP: 73;
WHEELING MOSUNNY 73 52 47 W14G23 29.96F TC 23
6HR MIN TEMP: 61; 6HR MAX TEMP: 73;
MORRIS* PTSUNNY 69 56 62 NW16G23 29.98F TC 21
ROMEOVILLE* MOSUNNY 72 55 56 W16G22 29.98F TC 22
LANSING* PTSUNNY 70 54 56 W12 29.97F TC 21
NORTHERLY ISL* N/A 71 49 45 SW15 N/A TC 22
$$
LMZ740>746-241900-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 66 73 300/ 14/ 17 1013.4F
WINTHROP HARBOR 68 72 240/ 16/ 21 N/A 1/ 2
WAUKEGAN HARBOR 69 72 N/A 1/ 2
WILMETTE BUOY 69 320/ 14/ 21 1015.9F 2/ 5
HARRISON CRIB 70 280/ 19/ 21 N/A
NORTHERLY ISL 69 290/ 16 N/A
CALUMET HARBOR 71 290/ 9/ 14 1013.4
BURNS HARBOR 70 280/ 5/ 6 1014.9F
MICHIGAN CITY 68 260/ 15/ 17 1012.9F
MICH CITY BUOY 69 74 260/ 12/ 17 1012.5F 4/ 6
ST. JOSEPH BUOY 68 71 230/ 16/ 21 1015.0F 4/ 5
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-241900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 71 52 50 NW15G21 30.09F TC 22
GALESBURG* MOSUNNY 71 51 49 W14G20 30.07F TC 21
MACOMB* PTSUNNY 74 55 50 NW17 30.09F TC 23
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-241900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 68 54 60 NW14 30.01F TC 20
BLOOMINGTON PTSUNNY 70 52 52 NW17 30.04F TC 21
DECATUR MOSUNNY 74 53 48 NW13G24 30.05F TC 23
PEORIA PTSUNNY 71 50 47 NW10G20 30.04F TC 22
6HR MIN TEMP: 56; 6HR MAX TEMP: 73;
LACON* MOSUNNY 71 52 49 NW13 30.02F TC 22
LINCOLN* PTSUNNY 73 55 52 NW7 30.05F TC 23
SPRINGFIELD MOSUNNY 73 52 47 NW15G25 30.06F TC 23
6HR MIN TEMP: 54; 6HR MAX TEMP: 74;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-241900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 72 53 51 NW12G21 30.02F TC 22
DANVILLE* MOSUNNY 72 55 55 NW15G25 30.01F TC 22
RANTOUL* MOSUNNY 73 52 48 NW17 30.01F TC 23
MATTOON MOSUNNY 74 50 42 NW20G25 30.02F TC 23
PARIS* PTSUNNY 71 53 51 W10G22 30.02S TC 22
$$
ILZ079-100>102-241900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 73 54 49 NW15 30.08F TC 23
BELLEVILLE MOSUNNY 79 57 47 NW15 30.04F HX 80 TC 26
CAHOKIA* MOSUNNY 77 56 48 N14 30.06F TC 25
SPARTA* MOSUNNY 78 52 39 W8G18 30.07F TC 26
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-241900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 52 38 N12G23 30.05F TC 26
6HR MIN TEMP: 60; 6HR MAX TEMP: 79;
CAIRO* SUNNY 79 57 46 NW8 30.05F HX 80 TC 26
EFFINGHAM* SUNNY 75 50 40 W13G22 30.06S TC 24
MARION SUNNY 79 54 41 N10G18 30.05F TC 26
MT. VERNON PTSUNNY 75 53 46 VRB6 30.05F TC 24
CENTRALIA* MOSUNNY 78 52 40 NW13G21 30.06F TC 26
SALEM* PTSUNNY 77 52 41 NW13G20 30.05F TC 25
METROPOLIS* SUNNY 79 51 37 N8 30.04F TC 26
$$
ILZ067-068-072-073-078-083-087-091-241900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 76 52 43 NW20G26 30.02F TC 24
FLORA* MOSUNNY 75 54 46 NW16G23 30.04F TC 24
FAIRFIELD* PTSUNNY 75 53 46 NW6 30.04F TC 24
HARRISBURG* SUNNY 78 53 41 N6 30.04F TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$