514
ASUS43 KLOT 170909
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-171000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 76 75 97 CALM 30.00S TC 24
STERLING* MOCLDY 71 71 100 N7 30.01F TC 22
ILZ003-004-008-010-011-017-018-171000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 70 90 NE3 30.02F TC 23
ROCHELLE* MOCLDY 70 69 94 E3 30.01F FOG TC 21
DE KALB* CLOUDY 72 72 100 SE9 30.04R THUNDER TC 22
PERU* MOCLDY 75 73 93 SW8 30.00F TC 24
ILZ005-006-012>014-019>023-171000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 70 68 93 SE5 30.01S TC 21
CHICAGO-MIDWAY TSTM 71 68 90 S6 30.02S TC 22
AURORA TSTM 73 72 96 SE7 30.00F FOG TC 23
JOLIET* HVY RAIN 72 72 99 CALM 30.05S TC 22
WAUKEGAN PTCLDY 73 70 90 NE3 30.00F TC 23
DUPAGE AIRPORT TSTM 72 69 90 CALM 30.04R FOG TC 22
KANKAKEE* CLOUDY 72 68 88 NE29G35 30.10R THUNDER TC 22
WHEELING MOCLDY 73 72 96 MISG 30.02S TC 23
MORRIS* MOCLDY 73 69 86 E13 30.01S TC 23
ROMEOVILLE* TSTM 72 72 100 CALM 30.04F FOG TC 22
LANSING* TSTM 68 68 100 S9 30.08F TC 20
NORTHERLY ISL* N/A 70 67 90 S14 N/A TC 21
LMZ740>746-171000-
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 75 76 CALM / 2 1016.9S
WINTHROP HARBOR 75 74 60/ 6/ 8 N/A 1/ 3
WAUKEGAN HARBOR 75 75 60/ 4/ 6 N/A 1/ 3
WILMETTE BUOY 75 1018.3F 2/ 3
NORTHERLY ISL 70 130/ 6/ 12 N/A
CALUMET HARBOR 69 150/ 10/ 12 1016.3F
BURNS HARBOR 73 250/ 10/ 15 1019.3R
MICHIGAN CITY 73 230/ 23/ 25 1016.0R
MICH CITY BUOY 72 77 230/ 14/ 19 1016.7R 3/ 4
ST. JOSEPH BUOY 76 77 230/ 12/ 17 1018.2R 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-171000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 72 84 S5 29.99F TC 25
GALESBURG* CLEAR 74 74 100 CALM 30.03R TC 24
MACOMB* CLEAR 74 74 98 CALM 30.03R TC 24
JACKSONVILLE* PTCLDY 78 70 76 S5 30.00S HX 81 TC 26
PITTSFIELD* CLEAR 77 75 93 S3 30.01F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-171000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 70 69 97 SE6 30.02F TC 21
BLOOMINGTON PTCLDY 73 70 90 S10 30.03F TC 23
DECATUR PTCLDY 76 70 82 S8 30.03S TC 24
PEORIA PTCLDY 76 71 85 S7 30.02R TC 24
LACON* MOCLDY 75 71 86 S5 30.01S TC 24
LINCOLN* MOCLDY 74 70 89 CALM 30.03S TC 23
SPRINGFIELD PTCLDY 76 73 91 SE6 30.01F TC 24
TAYLORVILLE PTCLDY 73 72 94 SE7 30.03S TC 23
ILZ033-039-045-046-055>057-062-063-171000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 71 68 90 SW6 30.02F TC 22
DANVILLE* CLOUDY 69 68 97 N13 30.07R TC 21
RANTOUL* MOCLDY 71 70 96 E3 30.03S TC 22
MATTOON MOCLDY 74 69 85 S7 30.02S TC 23
ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 74 72 95 CALM 30.02F TC 23
CAHOKIA* CLEAR 75 73 93 CALM 30.01F TC 24
SPARTA* CLEAR 77 74 91 CALM 30.04S TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 72 71 97 CALM 30.02F TC 22
CAIRO* CLEAR 74 74 99 CALM 30.02F TC 23
EFFINGHAM* PTCLDY 74 73 95 CALM 30.04F TC 23
MARION CLEAR 74 73 96 CALM 30.03F TC 23
MT. VERNON CLEAR 74 72 93 CALM 30.02F TC 23
CENTRALIA* CLEAR 77 73 85 S6 30.02F TC 25
SALEM* CLEAR 76 72 86 CALM 30.02S TC 25
METROPOLIS* CLEAR 73 72 96 CALM 30.02F TC 23
ILZ067-068-072-073-078-083-087-091-171000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 77 74 90 SW5 30.00F TC 25
FLORA* PTCLDY 75 N/A N/A S3 30.03F TC 24
FAIRFIELD* CLEAR 74 73 96 N3 30.03R TC 23
HARRISBURG* CLEAR 72 71 96 CALM 30.02F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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