316
ASUS43 KLOT 211110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT MON JUL 21 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.
ILZ001-002-007-009-015-016-024-211200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 67 62 84 E9 30.00S TC 19
ILZ003-004-008-010-011-017-018-211200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 64 58 80 VRB6 30.07R HAZE TC 18
ROCHELLE* PTCLDY 61 59 94 NE3 30.06R FOG TC 16
DE KALB* PTCLDY 62 62 100 NE6 30.06R FOG TC 17
PERU* CLOUDY 65 64 94 E7 30.02R TC 19
ILZ005-006-012>014-019>023-211200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 68 66 93 NE8 30.03F TC 20
CHICAGO-MIDWAY PTCLDY 71 67 87 E6 30.04F TC 22
AURORA PTCLDY 64 62 93 NE6 30.04S FOG TC 18
JOLIET* MOCLDY 68 66 93 CALM 30.03R FOG TC 20
WAUKEGAN CLEAR 65 61 87 NE3 30.06R FOG TC 18
DUPAGE AIRPORT PTCLDY 63 61 93 N6 30.04F FOG TC 17
KANKAKEE* CLOUDY 67 66 95 E7 30.04R TC 20
WHEELING PTCLDY 67 62 84 E3 30.07R TC 19
MORRIS* CLOUDY 65 65 100 CALM 30.02R FOG TC 18
ROMEOVILLE* CLEAR 66 66 100 NE9 30.04S FOG TC 19
LANSING* PTCLDY 67 63 86 E3 30.04F TC 20
NORTHERLY ISL* N/A 69 67 93 NE8 N/A TC 21
LMZ740>746-211200-
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 69 70 80/ 12/ 14 1018.3R 2/ 4
WINTHROP HARBOR 70 68 20/ 8/ 12 N/A 2/ 4
WAUKEGAN HARBOR 70 69 70/ 10/ 14 N/A 2/ 3
WILMETTE BUOY 71 100/ 12/ 17 1019.1F 2/ 5
CHICAGO BUOY 73 71 100/ 6/ 8 1017.5 1/ 5
HARRISON CRIB 77 70/ 13/ 13 N/A
NORTHERLY ISL 69 60/ 7/ 7 N/A
CALUMET HARBOR 72 60/ 5/ 6 1016.1
BURNS HARBOR 69 80/ 5/ 6 1017.6F
MICHIGAN CITY 67 80/ 9/ 11 1016.1S
MICH CITY BUOY 70 75 80/ 10/ 12 1016.1F 2/ 5
ST. JOSEPH BUOY 67 75 60/ 14/ 16 1018.4R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-211200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 72 96 S7 29.99R TC 23
GALESBURG* CLOUDY 68 65 89 E7 30.01R TC 20
MACOMB* CLOUDY 73 73 100 E5 30.00S FOG TC 23
PITTSFIELD* CLOUDY 73 72 98 S6 29.99R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-211200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 67 66 96 NE6 30.02R TC 20
BLOOMINGTON CLOUDY 69 69 100 E9 30.03R TC 21
DECATUR CLOUDY 75 73 93 CALM 30.00R TC 24
PEORIA CLOUDY 71 68 90 E9 29.99R FOG TC 22
LACON* CLOUDY 68 63 85 NE6 30.01R TC 20
LINCOLN* CLOUDY 74 74 100 NE6 29.99R FOG TC 23
SPRINGFIELD MOCLDY 74 73 97 CALM 29.99R TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 70 69 98 NE7 30.01R FOG TC 21
MATTOON MOCLDY 72 71 97 E3 29.98S FOG TC 22
ILZ079-100>102-211200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 73 71 93 S5 29.98S TC 23
BELLEVILLE TSTM 75 73 96 W6 29.95F TC 24
CAHOKIA* TSTM 73 71 93 CALM 29.99F TC 23
SPARTA* LGT RAIN 75 74 96 CALM 30.01F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 74 73 97 NW10G23 29.98S TC 23
CAIRO* PTCLDY 79 77 94 CALM 30.00R HX 83 TC 26
MARION CLOUDY 73 72 96 CALM 29.98R TC 23
MT. VERNON LGT RAIN 72 72 100 NE5 30.00R TC 22
CENTRALIA* LGT RAIN 73 72 98 W5 29.99R TC 23
SALEM* RAIN 73 73 98 CALM 29.98F TC 23
METROPOLIS* PTCLDY 77 76 96 CALM 29.99S TC 25
ILZ067-068-072-073-078-083-087-091-211200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 73 32 22 CALM N/A TC 23
FLORA* LGT RAIN 73 73 100 N3 29.99S TC 23
FAIRFIELD* LGT RAIN 72 71 98 CALM 30.00R TC 22
HARRISBURG* CLOUDY 75 74 95 W5 29.97R TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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