604
ASUS43 KLOT 171001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-171100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 67 90 NW7 29.95R TC 21
ILZ003-004-008-010-011-017-018-171100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 63 78 NW7 29.96R TC 21
ROCHELLE* CLOUDY 67 65 94 CALM 29.94F TC 20
PERU* PTCLDY 68 68 98 CALM 29.95R TC 20
ILZ005-006-012>014-019>023-171100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 64 84 N6 29.92R TC 21
CHICAGO-MIDWAY CLOUDY 71 63 75 NW12 29.93R TC 22
AURORA CLEAR 67 65 93 CALM 29.94R TC 19
JOLIET* MOCLDY 68 67 98 CALM 29.95R TC 20
WAUKEGAN CLOUDY 65 61 87 NW6 29.94R TC 18
DUPAGE AIRPORT MOCLDY 69 64 84 NW7 29.93R TC 21
KANKAKEE* PTCLDY 69 67 95 CALM 29.95R TC 20
WHEELING MOCLDY 68 64 87 N9 29.95R TC 20
MORRIS* CLOUDY 68 68 100 NW3 29.94R TC 20
ROMEOVILLE* MOCLDY 68 68 100 CALM 29.96R TC 20
LANSING* MOCLDY 68 65 92 NW3 29.94R TC 20
NORTHERLY ISL* N/A 70 62 76 NW7 N/A TC 21
LMZ740>746-171100-
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 1013.0R
WINTHROP HARBOR 63 59 240/ 6/ 10 N/A 3/ 6
WAUKEGAN HARBOR 62 58 350/ 6/ 8 N/A 3/ 7
WILMETTE BUOY 69 350/ 14/ 17 1014.8R 3/ 7
CHICAGO BUOY 71 72 280/ 14/ 16 1013.5R 2/ 4
HARRISON CRIB 76 320/ 9/ 10 N/A
NORTHERLY ISL 70 250/ 7/ 9 N/A
CALUMET HARBOR 70 290/ 2/ 5 1012.2
BURNS HARBOR 71 330/ 7/ 9 1013.9R
MICHIGAN CITY 71 300/ 14/ 16 1011.6R
MICH CITY BUOY 71 76 290/ 12/ 16 1011.9R 5/ 5
ST. JOSEPH BUOY 70 76 340/ 17/ 23 1013.5R 5/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-171100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 73 70 90 SE6 29.97R TC 23
GALESBURG* CLOUDY 69 67 94 CALM 29.98R TC 21
MACOMB* CLOUDY 72 69 91 N3 29.99R TC 22
PITTSFIELD* MOCLDY 75 75 98 CALM 29.99R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-171100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 71 70 97 NW3 29.96R TC 22
BLOOMINGTON CLOUDY 73 71 93 NW8 29.99R TC 23
DECATUR CLOUDY 78 72 81 W7G23 29.97R THUNDER HX 80
PEORIA CLOUDY 74 70 87 W3 29.97R TC 23
LACON* CLOUDY 71 67 87 CALM 29.95R TC 22
LINCOLN* CLOUDY 74 74 100 CALM 29.99R TC 24
SPRINGFIELD MOCLDY 73 73 100 N7 29.96R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 71 70 98 W3 29.96R TC 22
MATTOON MOCLDY 72 70 93 SW3 29.95R TC 22
ILZ079-100>102-171100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY N/A N/A N/A CALM 29.95R
BELLEVILLE PTCLDY 73 69 88 SW6 29.93S TC 23
CAHOKIA* MOCLDY 75 70 84 CALM 29.94R TC 24
SPARTA* MOCLDY 78 75 91 N6 29.98R HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 76 74 93 S5 29.94R TC 24
CAIRO* CLEAR 78 76 94 CALM 29.97R HX 81 TC 26
EFFINGHAM* LGT RAIN 73 73 100 CALM 29.97R TC 23
MARION PTCLDY 76 75 96 SW5 29.96R TC 25
MT. VERNON MOCLDY 73 73 100 CALM 29.97R TC 23
CENTRALIA* MOCLDY 74 71 88 CALM 29.96F TC 24
SALEM* MOCLDY 76 70 82 CALM 29.94F TC 24
METROPOLIS* CLEAR 77 76 97 CALM 29.97R TC 25
ILZ067-068-072-073-078-083-087-091-171100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 72 72 100 S5 29.95R TC 22
FLORA* MOCLDY 73 N/A N/A W3 29.96R TC 23
FAIRFIELD* PTCLDY 72 72 99 CALM 29.95R TC 22
HARRISBURG* PTCLDY 74 72 95 CALM 29.96R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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