745
ASUS43 KLOT 170802
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT THU JUL 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.
ILZ001-002-007-009-015-016-024-170900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 67 87 W7 29.93R TC 22
ILZ003-004-008-010-011-017-018-170900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 64 78 NW13 29.93R TC 22
ROCHELLE* CLOUDY 69 67 94 NW3 29.93R TC 20
PERU* PTCLDY 70 69 96 W3 29.92R TC 21
ILZ005-006-012>014-019>023-170900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 69 64 84 NW7 29.89R TC 21
CHICAGO-MIDWAY PTCLDY 71 63 75 NW7 29.89R TC 22
AURORA CLOUDY 69 66 90 CALM 29.91R TC 21
JOLIET* PTCLDY 71 68 90 CALM 29.91S TC 22
WAUKEGAN CLOUDY 67 62 84 W8 29.89R TC 19
DUPAGE AIRPORT MOCLDY 69 65 86 W3 29.91R TC 21
KANKAKEE* MOCLDY 70 68 94 NW5 29.92S TC 21
WHEELING CLOUDY 70 64 81 NW7 29.91R TC 21
MORRIS* PTCLDY 69 69 100 CALM 29.90S TC 21
ROMEOVILLE* CLEAR 70 68 94 W3 29.92R TC 21
LANSING* CLOUDY 71 66 85 W7 29.91R TC 22
NORTHERLY ISL* N/A 70 62 76 W7 N/A TC 21
LMZ740>746-170900-
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 65 70 320/ 19/ 23 1011.2R
WINTHROP HARBOR 64 59 240/ 6/ 10 N/A 3/ 5
WAUKEGAN HARBOR 64 57 250/ 4/ 6 N/A 2/ 5
WILMETTE BUOY 69 350/ 12/ 16 1013.8R 2/ 4
CHICAGO BUOY 72 72 300/ 12/ 14 1012.2R 2/ 4
HARRISON CRIB 77 310/ 13/ 17 N/A
NORTHERLY ISL 71 310/ 10/ 12 N/A
CALUMET HARBOR 72 300/ 3/ 6 1011.1R
BURNS HARBOR 72 340/ 8/ 10 1012.5R
MICHIGAN CITY 71 290/ 18/ 21 1010.1R
MICH CITY BUOY 72 76 300/ 16/ 21 1010.3R 7/ 4
ST. JOSEPH BUOY 70 76 330/ 21/ 27 1012.3R 5/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-170900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 75 74 96 NW9 29.94F TC 24
GALESBURG* MOCLDY 69 67 92 NW5 29.95S TC 21
MACOMB* CLOUDY 73 70 90 NW5 29.97R TC 23
PITTSFIELD* CLOUDY 77 77 99 NW6 29.94F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-170900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 71 70 97 W3 29.93R TC 22
BLOOMINGTON CLOUDY 75 71 87 W6 29.95R TC 24
DECATUR MOCLDY 76 71 85 SW6 29.92F TC 24
PEORIA CLOUDY 75 70 84 N5 29.92S TC 24
LACON* CLOUDY 72 67 85 W5 29.93R TC 22
LINCOLN* CLOUDY 74 74 100 CALM 29.92S TC 23
SPRINGFIELD CLOUDY 73 72 96 W3 29.91F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-170900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOCLDY 71 70 98 SW3 29.93S TC 22
MATTOON MOCLDY 72 70 93 CALM 29.92F TC 22
ILZ079-100>102-170900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM N/A N/A N/A CALM 29.96R
CAHOKIA* MOCLDY 79 75 87 SW3 29.90F HX 83 TC 26
SPARTA* PTCLDY 80 77 90 S6 29.93F HX 87 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 76 75 97 SW5 29.93F TC 24
CAIRO* CLEAR 77 76 97 CALM 29.96F TC 25
EFFINGHAM* CLOUDY 71 71 100 CALM 29.94F TC 22
MARION CLEAR 77 76 95 SW5 29.95F TC 25
MT. VERNON PTCLDY 72 72 100 CALM 29.93F TC 22
CENTRALIA* MOCLDY 74 74 98 CALM 29.93F TC 24
SALEM* LGT RAIN 76 74 96 S3 29.93S TC 24
METROPOLIS* CLEAR 77 76 96 CALM 29.96F TC 25
ILZ067-068-072-073-078-083-087-091-170900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 72 72 100 CALM 29.93F TC 22
FLORA* MOCLDY 73 73 100 SE7 29.93F TC 23
FAIRFIELD* PTCLDY 73 71 93 CALM 29.93F TC 23
HARRISBURG* CLEAR 73 71 93 CALM 29.94F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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