404
ASUS43 KLOT 201010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SUN JUL 20 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 76 75 97 SW8 29.93R TC 24
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 68 87 NE3 29.93R TC 22
ROCHELLE* MOCLDY 67 66 94 CALM 29.93R FOG TC 20
DE KALB* CLOUDY 70 70 100 NE3 29.93R FOG TC 21
PERU* DRIZZLE 72 71 97 CALM 29.93R TC 22
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 69 68 96 NE14 29.91S TC 21
CHICAGO-MIDWAY CLOUDY 72 69 90 NE10 29.92R TC 22
AURORA CLOUDY 71 68 90 CALM 29.91S TC 22
JOLIET* CLOUDY 71 71 100 CALM 29.91R TC 22
WAUKEGAN CLOUDY 68 64 87 N10G18 29.93S TC 20
DUPAGE AIRPORT CLOUDY 72 69 90 NE6 29.91S TC 22
KANKAKEE* CLOUDY 69 67 94 CALM 29.93R TC 21
WHEELING CLOUDY 69 67 93 NE12 29.94S TC 21
MORRIS* MOCLDY 69 69 100 CALM 29.91R FOG TC 21
ROMEOVILLE* CLOUDY 72 72 100 N5 29.92R TC 22
LANSING* N/A 69 69 100 CALM 29.92S FOG TC 21
NORTHERLY ISL* N/A 69 67 93 MISG N/A TC 21
LMZ740>746-201100-
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 67 69 360/ 17/ 19 1012.8F
WINTHROP HARBOR 68 69 300/ 16/ 19 N/A 2/ 4
WAUKEGAN HARBOR 68 69 330/ 16/ 17 N/A 2/ 4
WILMETTE BUOY 70 20/ 16/ 19 1015.1F 2/ 3
CHICAGO BUOY 70 71 350/ 14/ 16 1013.7 1/ 3
HARRISON CRIB 75 10/ 21/ 22 N/A
NORTHERLY ISL 69 360/ 8/ 15 N/A
CALUMET HARBOR 70 340/ 9/ 15 1011.9
BURNS HARBOR 74 350/ 6/ 10 1013.5F
MICHIGAN CITY 74 310/ 9/ 11 1011.1S
MICH CITY BUOY 74 75 330/ 12/ 14 1010.9F 1/ 3
ST. JOSEPH BUOY 73 75 300/ 14/ 16 1013.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 77 74 90 W6 29.92R TC 25
GALESBURG* RAIN 75 75 100 CALM 29.93R TC 24
MACOMB* RAIN 74 74 100 CALM 29.95R TC 24
JACKSONVILLE* CLOUDY 76 76 99 SW5 29.91R TC 25
PITTSFIELD* MOCLDY 78 76 94 SW5 29.92R HX 81 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 72 71 97 CALM 29.92R TC 22
BLOOMINGTON CLOUDY 74 74 100 S8 29.94R TC 23
DECATUR CLOUDY 76 74 93 S5 29.93R TC 24
PEORIA CLOUDY 77 75 93 S5 29.91R TC 25
LACON* TSTM 74 72 93 NW3 29.92R TC 24
LINCOLN* CLOUDY 74 74 100 CALM 29.93R TC 24
SPRINGFIELD CLOUDY 77 75 93 SW3 29.91R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 72 71 99 CALM 29.93R TC 22
MATTOON CLOUDY 73 73 100 S6 29.93S FOG TC 23
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 78 74 86 SW5 29.93S HX 81 TC 26
BELLEVILLE MOCLDY 76 75 95 CALM 29.90F TC 25
CAHOKIA* CLOUDY 78 74 87 CALM 29.92S HX 81 TC 26
SPARTA* MOCLDY 80 76 88 SW3 29.95F HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 79 75 89 SW5 29.99S HX 82 TC 26
EFFINGHAM* MOCLDY 72 72 99 CALM 29.96R FOG TC 22
MARION MOCLDY 76 75 96 SW6 29.97S TC 25
MT. VERNON MOCLDY 75 75 100 CALM 29.95S FOG TC 24
CENTRALIA* MOCLDY 77 76 95 SW5 29.94S TC 25
SALEM* MOCLDY 78 76 92 SW3 29.93S HX 80 TC 26
METROPOLIS* PTCLDY 77 76 96 CALM 29.99S TC 25
ILZ067-068-072-073-078-083-087-091-201100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 73 73 100 SE5 29.94F TC 23
FLORA* MOCLDY 73 N/A N/A CALM 29.94S FOG TC 23
FAIRFIELD* MOCLDY 74 74 98 CALM 29.94F TC 24
HARRISBURG* MOCLDY 76 75 96 SW3 29.97S TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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