437
ASUS43 KLOT 210106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM 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.
ILZ001-002-007-009-015-016-024-210200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 77 71 82 E15 29.96R TC 25
ILZ003-004-008-010-011-017-018-210200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 74 58 57 NE3 30.01F TC 23
ROCHELLE* CLEAR 71 61 69 NE8 30.00S TC 22
DE KALB* CLEAR 70 59 69 NE6 30.02R TC 21
PERU* PTCLDY 74 71 91 E7 29.99R TC 23
ILZ005-006-012>014-019>023-210200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 71 59 65 NE13 30.00S TC 22
CHICAGO-MIDWAY PTCLDY 73 59 61 NE9 30.00S TC 23
AURORA PTCLDY 73 63 70 NE6 29.99F TC 23
JOLIET* MOCLDY 74 67 78 NE7 30.00R TC 23
WAUKEGAN CLEAR 68 59 73 NE8 30.01S TC 20
DUPAGE AIRPORT MOCLDY 73 61 65 NE6 29.99F TC 23
KANKAKEE* MOCLDY 73 70 88 NE10 30.00R TC 23
WHEELING CLEAR 70 62 76 NE7 30.03S TC 21
MORRIS* PTCLDY 72 69 90 CALM 29.99R TC 22
ROMEOVILLE* MOCLDY 73 68 83 NE9 30.00F TC 23
LANSING* CLOUDY 69 65 86 NE9 30.01S TC 21
NORTHERLY ISL* N/A 68 63 84 NE13 N/A TC 20
LMZ740>746-210200-
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 68 69 360/ 16/ 17 1016.3R 3/ 4
WINTHROP HARBOR 68 68 320/ 12/ 16 N/A 3/ 5
WAUKEGAN HARBOR 69 69 310/ 14/ 17 N/A 2/ 3
WILMETTE BUOY 70 50/ 14/ 17 1018.0F 2/ 4
CHICAGO BUOY 71 71 360/ 12/ 16 1016.6R 2/ 5
HARRISON CRIB 76 10/ 19/ 21 N/A
NORTHERLY ISL 69 350/ 9/ 13 N/A
CALUMET HARBOR 70 340/ 7/ 12 1015.1
BURNS HARBOR 71 30/ 7/ 8 1016.6S
MICHIGAN CITY 72 10/ 13/ 15 1014.7R
MICH CITY BUOY 72 75 10/ 10/ 14 1014.5R 4/ 5
ST. JOSEPH BUOY 72 74 340/ 16/ 21 1016.7R 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-210200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 79 78 97 NE9 29.93R HX 83 TC 26
GALESBURG* CLOUDY 78 73 84 NE8 29.97R TC 25
MACOMB* MOCLDY 80 78 94 E3 29.97S HX 85 TC 27
JACKSONVILLE* CLOUDY 78 78 99 NE7 29.93S HX 81 TC 26
PITTSFIELD* CLOUDY 80 79 98 NE7 29.93S HX 86 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-210200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 73 95 NE8 29.98R TC 23
BLOOMINGTON PTCLDY 77 75 93 NE8 29.98R TC 25
DECATUR CLOUDY 81 76 84 E7 29.97R HX 87 TC 27
PEORIA CLOUDY 80 74 81 NE8 29.96R HX 85 TC 27
LACON* CLOUDY 74 70 87 E5 29.98R TC 24
LINCOLN* CLOUDY 79 79 100 CALM 29.95R HX 85 TC 26
SPRINGFIELD PTCLDY 79 76 90 NE6 29.94S HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 79 73 82 CALM 29.97S HX 82 TC 26
MATTOON CLOUDY 75 74 96 SE3 29.97R TC 24
ILZ079-100>102-210200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 86 77 74 W6 29.91S HX 97 TC 30
BELLEVILLE CLEAR 87 75 66 SW8 29.89S HX 97 TC 31
SPARTA* CLEAR 89 75 62 SW7 29.94S HX 98 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 85 77 77 S9 29.93F HX 95 TC 29
CAIRO* CLEAR 86 77 73 S3 29.96S HX 97 TC 30
MARION CLEAR 85 75 72 SW6 29.95F HX 92 TC 29
MT. VERNON CLEAR 86 78 77 SW7 29.95R HX 98 TC 30
CENTRALIA* CLEAR 84 78 80 S5 29.94R HX 95 TC 29
SALEM* PTCLDY 87 77 72 S5 29.94R HX 98 TC 30
METROPOLIS* CLEAR 86 73 66 CALM 29.97R HX 93 TC 30
ILZ067-068-072-073-078-083-087-091-210200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 76 73 91 N16G26 29.96R TC 24
FLORA* MOCLDY 86 79 79 S9 29.92F HX 99 TC 30
FAIRFIELD* PTCLDY 85 75 71 S5 29.94R HX 94 TC 30
HARRISBURG* CLEAR 84 75 73 CALM 29.95R HX 92 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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