504
ASUS43 KLOT 171313
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SUN AUG 17 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.
ILZ001-002-007-009-015-016-024-171400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 77 73 87 E7 30.04R TC 25
STERLING* PTSUNNY 74 74 100 SE8 30.06R TC 23
ILZ003-004-008-010-011-017-018-171400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 73 71 93 E3 30.09S TC 23
ROCHELLE* CLOUDY 73 70 91 SE5 30.09R TC 23
DE KALB* PTSUNNY 72 72 100 S7 30.09S TC 22
PERU* CLOUDY 75 71 87 SE7 30.08R TC 24
ILZ005-006-012>014-019>023-171400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 73 71 93 N5 30.06R TC 23
CHICAGO-MIDWAY CLOUDY 73 69 87 CALM 30.06S TC 23
AURORA CLOUDY 73 71 93 S3 30.07F TC 23
JOLIET* PTSUNNY 72 72 99 CALM 30.08R TC 22
WAUKEGAN PTSUNNY 75 71 87 NE6 30.07R TC 24
DUPAGE AIRPORT PTSUNNY 73 71 93 SW7 30.07F TC 23
KANKAKEE* CLOUDY 70 68 94 SW5 30.09S TC 21
WHEELING CLOUDY 75 71 87 CALM 30.08R TC 24
MORRIS* TSTM 71 71 100 SW8 30.06F TC 22
ROMEOVILLE* LGT RAIN 72 72 100 CALM 30.08F TC 22
LANSING* CLOUDY 71 71 100 W5 30.08F TC 22
NORTHERLY ISL* N/A 73 68 84 SW5 N/A TC 23
LMZ740>746-171400-
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 30/ 12/ 14 1017.9S 1/ 3
WINTHROP HARBOR 74 72 320/ 8/ 12 N/A 2/ 3
WAUKEGAN HARBOR 75 75 20/ 8/ 12 N/A 1/ 3
WILMETTE BUOY 73 240/ 4/ 6 1020.6R 1/ 3
NORTHERLY ISL 72 240/ 8/ 10 N/A
CALUMET HARBOR 71 230/ 4/ 8 1017.0
BURNS HARBOR 72 230/ 4/ 8 1018.6R
MICHIGAN CITY 72 220/ 2/ 3 1017.0R
MICH CITY BUOY 75 76 260/ 8/ 10 1017.2R 2/ 4
ST. JOSEPH BUOY 75 77 250/ 8/ 10 1018.9R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-171400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 79 73 82 CALM 30.05R HX 82 TC 26
GALESBURG* MOSUNNY 78 78 100 CALM 30.06R HX 80 TC 25
MACOMB* SUNNY 76 75 98 CALM 30.07S FOG TC 24
JACKSONVILLE* MOSUNNY 78 76 96 CALM 30.05S TC 25
PITTSFIELD* MOSUNNY 79 76 90 CALM 30.06S HX 83 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-171400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 71 70 97 SE6 30.08F TC 22
BLOOMINGTON PTSUNNY 71 71 100 SE9 30.11F TC 22
DECATUR PTSUNNY 75 69 81 E15G28 30.12R TC 24
PEORIA PTSUNNY 76 70 82 E9 30.07R TC 24
LACON* LGT RAIN 73 70 91 E7 30.06S TC 23
LINCOLN* PTSUNNY 75 73 95 E12G17 30.10R TC 24
SPRINGFIELD PTSUNNY 77 73 87 N5 30.05S TC 25
TAYLORVILLE MOSUNNY 75 73 94 S5 30.07S TC 24
ILZ033-039-045-046-055>057-062-063-171400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 72 68 87 NE10 30.16R TC 22
DANVILLE* PTSUNNY 69 67 94 S7 30.12F TC 21
RANTOUL* TSTM 69 67 96 SE5 30.14S TC 20
MATTOON PTSUNNY 74 68 81 E8 30.11R TC 23
PARIS* CLOUDY 71 68 88 N5 30.15R TC 22
ILZ079-100>102-171400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 75 94 CALM 30.06R TC 25
BELLEVILLE SUNNY 78 75 88 CALM 30.03S HX 81 TC 26
CAHOKIA* SUNNY 79 74 84 S3 30.05R HX 82 TC 26
SPARTA* SUNNY 84 73 71 SW3 30.07S HX 90 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 77 73 87 CALM 30.06R TC 25
CAIRO* SUNNY 78 76 94 CALM 30.06R HX 80 TC 26
EFFINGHAM* PTSUNNY 75 74 97 NE5 30.11R TC 24
MARION MOSUNNY 79 73 83 CALM 30.06R HX 82 TC 26
MT. VERNON MOSUNNY 79 75 87 CALM 30.08R HX 83 TC 26
CENTRALIA* MOSUNNY 79 73 83 CALM 30.07S HX 82 TC 26
SALEM* MOSUNNY 79 74 84 CALM 30.07S HX 82 TC 26
METROPOLIS* SUNNY 77 75 93 CALM 30.06R TC 25
ILZ067-068-072-073-078-083-087-091-171400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 74 70 87 NE10 30.11R TC 23
FLORA* MOSUNNY 79 77 94 CALM 30.08R HX 83 TC 26
FAIRFIELD* MOSUNNY 76 73 90 CALM 30.08R TC 24
HARRISBURG* MOSUNNY 78 73 86 CALM 30.06S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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