843
ASUS43 KLOT 170902
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-171000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 68 93 NW12 29.94R TC 21
ILZ003-004-008-010-011-017-018-171000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 62 76 NW5 29.94S TC 21
ROCHELLE* CLEAR 68 66 95 NW3 29.94R TC 20
PERU* PTCLDY 68 67 97 W3 29.93S TC 20
ILZ005-006-012>014-019>023-171000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 69 63 81 NW14G23 29.91R TC 21
CHICAGO-MIDWAY MOCLDY 71 64 78 W6 29.91R TC 22
AURORA CLOUDY 69 67 93 CALM 29.92R TC 21
JOLIET* PTCLDY 71 67 89 CALM 29.93R TC 22
WAUKEGAN CLOUDY 66 61 84 NW8 29.92R TC 19
DUPAGE AIRPORT CLOUDY 70 64 81 NW6 29.92R TC 21
KANKAKEE* MOCLDY 68 67 95 NW3 29.93S TC 20
WHEELING CLOUDY 70 64 81 N8 29.93R TC 21
MORRIS* PTCLDY 68 68 100 CALM 29.92R TC 20
ROMEOVILLE* PTCLDY 68 68 100 NW5 29.93R TC 20
LANSING* PTCLDY 69 65 89 W7 29.92R TC 21
NORTHERLY ISL* N/A 70 63 78 W7 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 64 69 320/ 17/ 21 1012.4R
WINTHROP HARBOR 64 59 230/ 10/ 14 N/A 3/ 6
WAUKEGAN HARBOR 64 58 250/ 6/ 10 N/A 3/ 7
WILMETTE BUOY 70 320/ 10/ 12 1014.5R 3/ 5
CHICAGO BUOY 71 72 290/ 8/ 12 1013.1R 2/ 4
HARRISON CRIB 76 320/ 12/ 14 N/A
NORTHERLY ISL 70 290/ 3/ 12 N/A
CALUMET HARBOR 70 290/ 5/ 12 1011.6
BURNS HARBOR 71 340/ 6/ 7 1013.5R
MICHIGAN CITY 69 340/ 15/ 17 1011.2R
MICH CITY BUOY 71 76 320/ 12/ 16 1011.2R 5/ 5
ST. JOSEPH BUOY 69 76 330/ 19/ 25 1013.2R 5/ 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 CLOUDY 73 70 90 N14 29.91F TC 23
GALESBURG* CLOUDY 70 68 92 NW5 29.96R TC 21
MACOMB* CLOUDY 72 70 92 NW5 29.97S TC 22
PITTSFIELD* CLOUDY 77 76 98 NE3 29.94F 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 CLOUDY 71 70 97 W5 29.93S TC 22
BLOOMINGTON CLOUDY 74 71 91 NW5 29.95S TC 23
DECATUR MOCLDY 77 72 84 W6 29.93R TC 25
PEORIA CLOUDY 74 70 87 NW3 29.94R TC 23
LACON* CLOUDY 71 67 87 NW3 29.93S TC 22
LINCOLN* CLOUDY 74 74 100 CALM 29.94R TC 24
SPRINGFIELD TSTM 73 73 100 VRB3 29.95R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 71 70 98 CALM 29.94R TC 22
MATTOON MOCLDY 72 70 93 CALM 29.93R TC 22
ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM N/A N/A N/A CALM 29.93F
BELLEVILLE MOCLDY 76 71 86 N12G21 29.94R TC 24
CAHOKIA* CLOUDY 77 70 79 NE12 29.93R TC 25
SPARTA* PTCLDY 79 77 93 CALM 29.94R HX 84 TC 26
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 PTCLDY 77 75 93 S7 29.93S TC 25
CAIRO* CLEAR 79 76 91 SW5 29.94F HX 83 TC 26
EFFINGHAM* MOCLDY 72 72 100 CALM 29.94F TC 22
MARION CLEAR 77 75 96 S3 29.95R TC 25
MT. VERNON PTCLDY 72 72 100 N3 29.95R TC 22
CENTRALIA* MOCLDY 74 73 98 CALM 29.94R TC 23
SALEM* MOCLDY 75 75 98 CALM 29.93F TC 24
METROPOLIS* CLEAR 78 77 97 CALM 29.95F HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-171000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 73 72 96 E3 29.94R TC 23
FLORA* MOCLDY 72 N/A N/A SE7 29.94S TC 22
FAIRFIELD* PTCLDY 73 72 97 CALM 29.94R TC 23
HARRISBURG* CLEAR 76 74 94 CALM 29.94S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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