822
ASUS43 KLOT 210704
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-210800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 65 84 E13 29.99S TC 21
ILZ003-004-008-010-011-017-018-210800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 64 56 75 CALM 30.06R TC 18
ROCHELLE* CLEAR 62 57 85 E6 30.04F TC 17
PERU* MOCLDY 65 63 93 E5 30.03R TC 19
ILZ005-006-012>014-019>023-210800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 67 61 81 NE5 30.03S TC 19
CHICAGO-MIDWAY PTCLDY 70 62 76 NE5 30.02F TC 21
AURORA CLEAR 64 61 90 NE7 30.02F FOG TC 18
JOLIET* CLEAR 66 64 92 CALM 30.02F TC 19
WAUKEGAN CLEAR 63 58 83 CALM 30.04R TC 17
DUPAGE AIRPORT MOCLDY 64 60 87 N5 30.02F TC 18
KANKAKEE* PTCLDY 65 64 94 NE3 30.02F TC 19
WHEELING CLEAR 64 61 90 CALM 30.05R TC 18
MORRIS* CLEAR 63 63 100 CALM 30.02S TC 17
ROMEOVILLE* CLEAR 66 64 94 NE7 30.03F TC 19
LANSING* CLEAR 66 64 93 CALM 30.02F TC 19
NORTHERLY ISL* N/A 68 64 87 N6 N/A TC 20
LMZ740>746-210800-
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 70 69 60/ 12/ 16 1017.2R
WINTHROP HARBOR 70 68 360/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 70 69 50/ 10/ 14 N/A 2/ 4
WILMETTE BUOY 71 90/ 10/ 12 1018.9R 3/ 5
CHICAGO BUOY 72 71 40/ 6/ 8 1017.1F 2/ 5
HARRISON CRIB 76 50/ 6/ 7 N/A
NORTHERLY ISL 68 20/ 2/ 7 N/A
CALUMET HARBOR 71 30/ 4/ 6 1015.8F
BURNS HARBOR 70 80/ 4/ 5 1017.3S
MICHIGAN CITY 68 90/ 3/ 5 1015.7R
MICH CITY BUOY 72 75 70/ 8/ 12 1015.7R 3/ 5
ST. JOSEPH BUOY 70 76 20/ 4/ 8 1017.7R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-210800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 74 73 97 S7 29.96R TC 23
GALESBURG* CLOUDY 72 71 98 E7 30.00S TC 22
MACOMB* CLOUDY 73 73 100 SE3 30.00S FOG TC 23
PITTSFIELD* MOCLDY 73 73 98 SE6 29.98F THUNDER TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-210800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 68 66 94 E6 30.01F TC 20
BLOOMINGTON FOG 70 70 100 E10 30.01S VSB 3/4 TC 21
DECATUR CLOUDY 75 73 93 SE6 29.99R TC 24
PEORIA CLOUDY 74 72 93 E9 29.99S TC 23
LACON* CLOUDY 68 61 77 E7 30.00F TC 20
LINCOLN* MOCLDY 74 74 100 NE3 29.98S TC 24
SPRINGFIELD CLOUDY 75 74 96 SE6 29.97S TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 72 72 99 NE7 30.00S FOG TC 22
MATTOON LGT RAIN 73 72 96 SW5 29.98S TC 23
ILZ079-100>102-210800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 73 72 95 W8 30.00F TC 23
BELLEVILLE TSTM 74 73 96 E8 29.98 FOG TC 24
SPARTA* CLOUDY 80 75 86 E10G23 29.98S HX 84 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 78 76 93 NE3 29.98R FOG HX 81
CAIRO* CLEAR 80 78 92 CALM 29.98F HX 86 TC 27
EFFINGHAM* TSTM 73 73 100 SW7 30.01F TC 23
MARION PTCLDY 77 76 96 N3 30.00S TC 25
MT. VERNON LGT RAIN 74 70 87 NE9 30.01S TC 23
CENTRALIA* RAIN 72 71 97 SE9 29.99F TC 22
SALEM* MOCLDY 72 71 96 CALM 30.00F TC 22
METROPOLIS* CLEAR 77 76 96 CALM 29.99S TC 25
ILZ067-068-072-073-078-083-087-091-210800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 74 32 21 SE7 N/A TC 23
FLORA* LGT RAIN 73 N/A N/A W6 30.02S TC 23
FAIRFIELD* CLOUDY 75 70 83 NW7G20 30.03R THUNDER TC 24
HARRISBURG* PTCLDY 77 74 91 CALM 29.99F TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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