305
ASUS43 KLOT 212003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM 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.
ILZ001-002-007-009-015-016-024-212100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 73 84 E9 30.00F HX 81 TC 26
ILZ003-004-008-010-011-017-018-212100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 81 65 58 VRB3 30.05F HX 83 TC 27
ROCHELLE* CLOUDY 80 64 58 SE8 30.05F HX 81 TC 27
PERU* CLOUDY 80 72 76 E7 30.03F HX 83 TC 27
ILZ005-006-012>014-019>023-212100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 81 55 40 E9 30.04S HX 81 TC 27
CHICAGO-MIDWAY MOSUNNY 82 60 47 VRB7 30.04S HX 82 TC 28
AURORA PTSUNNY 84 64 50 E7 30.03F HX 85 TC 29
JOLIET* CLOUDY 82 66 56 CALM 30.04F HX 84 TC 28
WAUKEGAN SUNNY 77 61 57 E10 30.07S TC 25
DUPAGE AIRPORT MOSUNNY 83 62 49 NE7 30.03F HX 84 TC 28
KANKAKEE* CLOUDY 80 69 68 SE8 30.04S HX 83 TC 27
WHEELING SUNNY 79 63 57 NE12 30.07S HX 80 TC 26
MORRIS* CLOUDY 80 69 67 E8 30.03F HX 83 TC 27
ROMEOVILLE* MOSUNNY 82 66 57 CALM 30.04S HX 85 TC 28
LANSING* MOSUNNY 83 66 55 E10 30.04S HX 85 TC 28
NORTHERLY ISL* N/A 75 67 76 N6 N/A TC 24
LMZ740>746-212100-
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 70 20/ 8/ 10 1018.6R
WINTHROP HARBOR 69 69 40/ 8/ 12 N/A 2/ 4
WAUKEGAN HARBOR 69 70 10/ 10/ 12 N/A 2/ 4
WILMETTE BUOY 71 40/ 10/ 14 1020.4R 2/ 4
CHICAGO BUOY 73 74 20/ 6/ 10 1018.0R 2/ 4
HARRISON CRIB 78 30/ 12/ 13 N/A
NORTHERLY ISL 75 20/ 4/ 10 N/A
CALUMET HARBOR 75 360/ 8/ 12 1016.7R
BURNS HARBOR 75 30/ 7/ 8 1017.9R
MICHIGAN CITY 76 10/ 14/ 15 1015.9R
MICH CITY BUOY 75 76 10/ 10/ 12 1016.1R 2/ 4
ST. JOSEPH BUOY 73 76 330/ 12/ 16 1018.5R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-212100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 83 72 69 SE3 29.99S HX 88 TC 28
GALESBURG* CLOUDY 81 72 75 E5 30.01F HX 85 TC 27
MACOMB* PTSUNNY 84 76 76 E6 30.01F HX 92 TC 29
PITTSFIELD* CLOUDY 84 75 73 E6 30.01S HX 91 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-212100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 73 80 SE5 30.03R HX 82 TC 26
BLOOMINGTON CLOUDY 79 75 87 E8 30.03S HX 83 TC 26
DECATUR CLOUDY 84 75 74 S5 30.01R HX 92 TC 29
PEORIA CLOUDY 81 74 79 NE3 30.01S HX 86 TC 27
LACON* CLOUDY 78 72 80 NE3 30.02R HX 80 TC 26
LINCOLN* LGT RAIN 80 75 86 CALM 30.01R HX 84 TC 27
SPRINGFIELD PTSUNNY 84 75 74 CALM 30.00S HX 92 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-212100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 81 72 73 E6 30.01S HX 85 TC 27
MATTOON PTSUNNY 82 73 74 SW7 29.99F HX 87 TC 28
ILZ079-100>102-212100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 73 70 SE8 30.00F HX 91 TC 29
BELLEVILLE MOSUNNY 85 76 75 SE6 29.97F HX 95 TC 29
CAHOKIA* MOSUNNY 88 74 63 VRB3 29.98F HX 96 TC 31
SPARTA* MOSUNNY 86 76 72 E7 30.00F HX 95 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 86 74 67 VRB6 29.98F HX 94 TC 30
CAIRO* CLOUDY 89 81 75 CALM 29.96S HX 107 TC 32
EFFINGHAM* MOSUNNY 85 75 72 S3 30.02F HX 92 TC 29
MARION MOSUNNY 86 75 70 E5 29.99F HX 95 TC 30
MT. VERNON PTSUNNY 87 73 62 SW5 30.01S HX 94 TC 31
CENTRALIA* MOSUNNY 84 73 69 SE3 30.01S HX 90 TC 29
SALEM* MOSUNNY 83 72 67 CALM 30.01S HX 88 TC 29
METROPOLIS* CLOUDY 89 76 65 CALM 29.97S HX 101 TC 32
ILZ067-068-072-073-078-083-087-091-212100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 88 72 58 NW6 29.99S HX 94 TC 31
FLORA* MOSUNNY 84 73 70 CALM 30.00F HX 91 TC 29
FAIRFIELD* MOSUNNY 86 71 62 CALM 29.99F HX 91 TC 30
HARRISBURG* PTSUNNY 86 74 67 CALM 29.99S HX 94 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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