026
ASUS43 KLOT 182202
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT MON AUG 18 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-182300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 89 78 70 SW6 29.90F HX 103 TC 32
ILZ003-004-008-010-011-017-018-182300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 77 71 82 SE9 29.94F TC 25
ILZ005-006-012>014-019>023-182300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 84 76 76 S13 29.97F HX 93 TC 29
CHICAGO-MIDWAY PTSUNNY 86 74 67 S10 29.97F HX 94 TC 30
AURORA CLOUDY 80 71 74 NW22G35 30.00R THUNDER HX 84
JOLIET* CLOUDY 85 80 85 SE8 29.97S HX 100 TC 30
WAUKEGAN PTSUNNY 76 73 91 SE8 29.96F TC 24
DUPAGE AIRPORT TSTM 79 69 71 NW15G23 30.00R HX 81 TC 26
WHEELING CLOUDY 81 72 74 E3 29.98S HX 85 TC 27
MORRIS* MOSUNNY 87 79 76 S10 29.96S HX 102 TC 31
LANSING* MOSUNNY 85 76 75 S13 30.00F HX 94 TC 29
NORTHERLY ISL* N/A 83 72 69 S8 N/A HX 88 TC 28
LMZ740>746-182300-
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 74 76 150/ 8/ 12 1016.3R
WINTHROP HARBOR 76 74 130/ 14/ 17 N/A 3/ 5
WAUKEGAN HARBOR 76 76 N/A 3/ 5
WILMETTE BUOY 76 140/ 12/ 17 1017.6F 3/ 4
NORTHERLY ISL 85 170/ 6/ 11 N/A
CALUMET HARBOR 84 160/ 11/ 17 1014.5
BURNS HARBOR 84 170/ 7/ 11 1016.3F
MICHIGAN CITY 82 140/ 12/ 14 1014.2F
MICH CITY BUOY 80 77 150/ 10/ 14 1014.3F 1/ 2
ST. JOSEPH BUOY 78 75 110/ 14/ 17 1017.2F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-182300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 92 77 61 S9 29.95F HX 105 TC 33
GALESBURG* SUNNY 91 74 59 S14 29.93F HX 100 TC 33
MACOMB* SUNNY 91 76 61 S12 29.95F HX 104 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-182300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 90 77 65 S15 29.99F HX 103 TC 32
DECATUR SUNNY 92 76 59 S12 29.99F HX 104 TC 33
PEORIA MOSUNNY 92 76 59 S14G24 29.93F HX 104 TC 33
LACON* SUNNY 90 77 65 S10 29.93S HX 102 TC 32
LINCOLN* SUNNY 91 76 61 S8 29.97F HX 104 TC 33
SPRINGFIELD SUNNY 92 74 55 SW10 29.97F HX 101 TC 33
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-182300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 90 77 65 S9 30.00F HX 103 TC 32
DANVILLE* PTSUNNY 85 78 80 SE8 30.02F HX 96 TC 29
RANTOUL* MOSUNNY 90 75 62 S12G17 29.99F HX 100 TC 32
MATTOON SUNNY 90 73 57 S7 30.00F HX 98 TC 32
ILZ079-100>102-182300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE SUNNY 96 73 46 SW6 29.96F HX 106 TC 36
CAHOKIA* SUNNY 96 76 52 SE8 29.96F HX 109 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 95 74 50 E5 29.99F HX 105 TC 35
CAIRO* SUNNY 96 74 48 CALM 29.99F HX 107 TC 36
MARION SUNNY 95 73 49 S10 30.00F HX 105 TC 35
MT. VERNON SUNNY 96 73 47 SE9 30.00F HX 105 TC 36
CENTRALIA* SUNNY 96 72 45 SE7 30.00 HX 104 TC 36
SALEM* SUNNY 95 72 46 E6 30.00F HX 103 TC 35
METROPOLIS* SUNNY 95 71 44 CALM 30.00F HX 102 TC 35
ILZ067-068-072-073-078-083-087-091-182300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 76 67 SE6 30.02F HX 99 TC 31
FLORA* SUNNY 91 75 59 S7 30.01F HX 102 TC 33
FAIRFIELD* SUNNY 91 73 53 E6 30.01F HX 99 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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