543
ASUS43 KLOT 211911
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-212000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 73 84 E8 30.01S HX 81 TC 26
ILZ003-004-008-010-011-017-018-212000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 79 64 60 VRB6 30.06S HX 81 TC 26
ROCHELLE* CLOUDY 78 63 59 E7 30.06S HX 80 TC 26
DE KALB* CLOUDY 79 65 60 E6 30.07R HX 81 TC 26
PERU* CLOUDY 80 72 76 E8 30.03R HX 83 TC 27
ILZ005-006-012>014-019>023-212000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 80 58 46 E10 30.04S HX 80 TC 27
CHICAGO-MIDWAY MOSUNNY 83 58 42 NE10G18 30.04S HX 83 TC 28
AURORA CLOUDY 81 64 56 SE6 30.04R HX 82 TC 27
JOLIET* CLOUDY 82 65 58 CALM 30.05R HX 83 TC 28
WAUKEGAN SUNNY 77 60 55 E8 30.07S TC 25
DUPAGE AIRPORT PTSUNNY 82 61 48 E8 30.04R HX 83 TC 28
KANKAKEE* CLOUDY 80 70 72 E7 30.04R HX 83 TC 27
WHEELING SUNNY 79 63 57 E10 30.07S HX 80 TC 26
MORRIS* PTSUNNY 79 69 71 E8 30.03R HX 81 TC 26
ROMEOVILLE* MOSUNNY 82 66 57 VRB3 30.04F HX 85 TC 28
LANSING* MOSUNNY 82 60 47 E6 30.04S HX 82 TC 28
NORTHERLY ISL* N/A 75 67 76 N10 N/A TC 24
LMZ740>746-212000-
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 30/ 6/ 8 1018.3F 1/ 3
WINTHROP HARBOR 69 69 350/ 6/ 10 N/A 2/ 4
WAUKEGAN HARBOR 70 70 20/ 8/ 10 N/A 2/ 4
WILMETTE BUOY 70 50/ 8/ 12 1020.2F 2/ 4
CHICAGO BUOY 74 73 20/ 8/ 10 1018.1 2/ 4
HARRISON CRIB 77 40/ 12/ 12 N/A
NORTHERLY ISL 75 20/ 7/ 8 N/A
CALUMET HARBOR 76 30/ 8/ 12 1016.2
BURNS HARBOR 75 30/ 7/ 8 1017.6F
MICHIGAN CITY 76 10/ 12/ 13 1015.6F
MICH CITY BUOY 75 75 10/ 10/ 12 1015.8F 2/ 4
ST. JOSEPH BUOY 74 76 320/ 12/ 14 1018.3F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-212000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 84 70 62 CALM 29.99S HX 88 TC 29
GALESBURG* CLOUDY 79 71 77 CALM 30.03S HX 82 TC 26
MACOMB* PTSUNNY 83 74 76 NE3 30.03S HX 89 TC 28
JACKSONVILLE* MOSUNNY 83 71 65 CALM 30.00S HX 88 TC 29
PITTSFIELD* PTSUNNY 85 73 67 CALM 30.02R HX 92 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-212000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 81 73 76 SE9 30.02S HX 86 TC 27
BLOOMINGTON CLOUDY 79 75 87 E10 30.03S HX 83 TC 26
DECATUR CLOUDY 83 75 77 S3 30.00F HX 90 TC 28
PEORIA CLOUDY 81 73 76 CALM 30.01R HX 86 TC 27
LACON* CLOUDY 78 71 80 SE3 30.01R TC 25
LINCOLN* CLOUDY 82 75 79 E3 30.00S HX 89 TC 28
SPRINGFIELD PTSUNNY 82 73 74 CALM 30.00R HX 87 TC 28
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-212000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 80 72 75 E10 30.01F HX 84 TC 27
MATTOON PTSUNNY 83 73 72 SE3 30.00R HX 89 TC 28
ILZ079-100>102-212000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 82 73 74 E8 30.01R HX 88 TC 28
BELLEVILLE PTSUNNY 83 74 75 SE7 29.99R HX 89 TC 28
CAHOKIA* PTSUNNY 84 74 71 SE6 30.00S HX 91 TC 29
SPARTA* MOSUNNY 84 76 75 E8 30.01F HX 93 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 85 74 69 VRB3 30.00R HX 92 TC 29
CAIRO* PTSUNNY 91 80 72 NW7 29.96F HX 109 TC 33
EFFINGHAM* CLOUDY 81 76 83 S5 30.03S HX 88 TC 27
MARION PTSUNNY 84 73 70 NE5 30.00S HX 91 TC 29
MT. VERNON PTSUNNY 84 74 71 VRB3 30.01S HX 91 TC 29
CENTRALIA* MOSUNNY 83 74 73 SE3 30.01F HX 90 TC 28
SALEM* PTSUNNY 84 72 67 CALM 30.01F HX 89 TC 29
METROPOLIS* MOSUNNY 89 77 68 CALM 29.97F HX 101 TC 31
ILZ067-068-072-073-078-083-087-091-212000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 85 71 63 CALM 29.99F HX 90 TC 29
FLORA* PTSUNNY 84 73 70 CALM 30.02R HX 91 TC 29
FAIRFIELD* MOSUNNY 84 70 62 CALM 30.00S HX 89 TC 29
HARRISBURG* PTSUNNY 86 74 67 CALM 29.99F 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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