322
ASUS43 KLOT 171411
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-171500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 78 74 87 SE7 30.04S HX 81 TC 26
STERLING* MOSUNNY 77 74 90 VRB6 30.07R TC 25
ILZ003-004-008-010-011-017-018-171500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 75 71 87 CALM 30.11R TC 24
ROCHELLE* PTSUNNY 75 71 86 CALM 30.10R TC 24
DE KALB* PTSUNNY 74 71 93 CALM 30.11R TC 23
PERU* MOSUNNY 78 72 82 S7 30.07F HX 80 TC 26
ILZ005-006-012>014-019>023-171500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 72 93 NW3 30.08R TC 23
CHICAGO-MIDWAY PTSUNNY 74 70 87 NW5 30.08R TC 23
AURORA PTSUNNY 76 72 87 CALM 30.07S TC 24
JOLIET* PTSUNNY 73 73 100 CALM 30.08R TC 23
WAUKEGAN PTSUNNY 76 71 85 N6 30.09R TC 24
DUPAGE AIRPORT CLOUDY 76 71 85 N6 30.09R TC 24
KANKAKEE* CLOUDY 70 68 94 CALM 30.08F TC 21
WHEELING CLOUDY 77 72 84 N6 30.10R TC 25
MORRIS* MOSUNNY 71 71 100 CALM 30.06S TC 22
ROMEOVILLE* LGT RAIN 72 72 100 N7 30.08S TC 22
LANSING* PTSUNNY 72 71 96 NW3 30.09R TC 22
NORTHERLY ISL* N/A 74 69 85 W7 N/A TC 23
LMZ740>746-171500-
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 1018.4R 2/ 4
WINTHROP HARBOR 74 71 330/ 8/ 10 N/A 2/ 3
WAUKEGAN HARBOR 75 75 310/ 8/ 12 N/A 2/ 3
WILMETTE BUOY 74 300/ 6/ 10 1021.3R 1
NORTHERLY ISL 73 260/ 7/ 11 N/A
CALUMET HARBOR 72 290/ 2/ 5 1017.5R
BURNS HARBOR 73 280/ 5/ 6 1019.0R
MICHIGAN CITY 74 200/ 1/ 2 1016.9F
MICH CITY BUOY 75 76 290/ 6/ 10 1017.0F 2/ 3
ST. JOSEPH BUOY 74 77 210/ 6/ 8 1019.0R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-171500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 82 74 76 SW6 30.04F HX 88 TC 28
GALESBURG* MOSUNNY 81 78 90 E3 30.06S HX 88 TC 27
MACOMB* MOSUNNY 80 76 89 CALM 30.07S HX 85 TC 27
JACKSONVILLE* MOSUNNY 83 73 72 CALM 30.05S HX 88 TC 28
PITTSFIELD* SUNNY 84 76 78 SW3 30.05F HX 93 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-171500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 73 71 95 S7 30.08F TC 23
BLOOMINGTON PTSUNNY 72 72 100 S9 30.10F TC 22
DECATUR TSTM 73 69 87 SE9 30.13R FOG TC 23
PEORIA MOSUNNY 78 70 76 SE12 30.08R HX 80 TC 26
LACON* MOSUNNY 74 71 88 SE8 30.07S TC 24
LINCOLN* PTSUNNY 74 74 100 SE10 30.09F TC 24
SPRINGFIELD LGT RAIN 75 72 90 E18G30 30.08R TC 24
TAYLORVILLE CLOUDY 75 72 88 NE18G24 30.12R THUNDER TC 24
ILZ033-039-045-046-055>057-062-063-171500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 70 68 93 NE12G20 30.10F TC 21
DANVILLE* CLOUDY 69 68 96 CALM 30.11F TC 21
RANTOUL* CLOUDY 68 68 98 SE5 30.11F TC 20
MATTOON PTSUNNY 77 66 68 NE15 30.13R TC 25
PARIS* CLOUDY 71 68 91 CALM 30.14F TC 22
ILZ079-100>102-171500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 75 83 VRB3 30.05F HX 86 TC 27
BELLEVILLE SUNNY 85 77 77 CALM 30.04R HX 94 TC 29
CAHOKIA* SUNNY 83 75 77 S3 30.04F HX 90 TC 28
SPARTA* MOSUNNY 87 72 59 CALM 30.08R HX 94 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 74 71 CALM 30.06S HX 91 TC 29
CAIRO* SUNNY 84 75 76 CALM 30.06S HX 92 TC 29
EFFINGHAM* CLOUDY 77 72 83 NE10G17 30.14R TC 25
MARION MOSUNNY 84 73 70 CALM 30.07R HX 91 TC 29
MT. VERNON MOSUNNY 84 73 69 CALM 30.08S HX 90 TC 29
CENTRALIA* MOSUNNY 85 72 65 CALM 30.07S HX 91 TC 30
SALEM* MOSUNNY 85 72 64 CALM 30.07S HX 91 TC 30
METROPOLIS* SUNNY 83 74 73 CALM 30.06S HX 89 TC 28
ILZ067-068-072-073-078-083-087-091-171500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 76 69 79 NE10 30.12R TC 24
FLORA* PTSUNNY 79 75 89 NE16 30.11R HX 82 TC 26
FAIRFIELD* MOSUNNY 81 73 78 NE5 30.09R HX 86 TC 27
HARRISBURG* MOSUNNY 84 73 68 CALM 30.07R HX 90 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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