424
ASUS43 KLOT 212206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-212300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 79 73 82 SE9 29.98F HX 82 TC 26
ILZ003-004-008-010-011-017-018-212300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 81 65 58 E6 30.04S HX 83 TC 27
ROCHELLE* CLOUDY 79 66 64 SE6 30.03F HX 81 TC 26
DE KALB* CLOUDY 80 66 60 E6 30.04S HX 82 TC 27
PERU* CLOUDY 81 72 76 E9 30.01F HX 85 TC 27
ILZ005-006-012>014-019>023-212300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 79 60 52 NE12 30.03S HX 80 TC 26
CHICAGO-MIDWAY MOSUNNY 82 60 47 NE12 30.03S HX 82 TC 28
AURORA CLOUDY 84 64 50 S6 30.01F HX 85 TC 29
JOLIET* CLOUDY 83 67 58 CALM 30.01F HX 85 TC 28
WAUKEGAN MOSUNNY 73 58 59 NE9 30.05F TC 23
DUPAGE AIRPORT MOSUNNY 82 58 43 E12 30.02F HX 82 TC 28
KANKAKEE* CLOUDY 80 70 70 E6 30.03S HX 83 TC 27
WHEELING MOSUNNY 76 64 66 NE10 30.06S TC 24
MORRIS* CLOUDY 80 70 71 E5 30.01S HX 83 TC 27
ROMEOVILLE* PTSUNNY 82 66 57 NE8 30.02S HX 85 TC 28
LANSING* SUNNY 80 65 60 NE8 30.03S HX 82 TC 27
NORTHERLY ISL* N/A 73 65 75 MISG N/A TC 23
LMZ740>746-212300-
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 10/ 12/ 14 1017.8F 1/ 3
WINTHROP HARBOR 69 69 340/ 10/ 12 N/A 2/ 4
WAUKEGAN HARBOR 69 70 350/ 12/ 14 N/A 2/ 4
WILMETTE BUOY 70 50/ 12/ 16 1019.5F 2/ 4
CHICAGO BUOY 72 74 10/ 8/ 12 1017.6R 2/ 4
HARRISON CRIB 77 30/ 14/ 15 N/A
NORTHERLY ISL 73 40/ 6/ 10 N/A
CALUMET HARBOR 74 10/ 7/ 14 1016.2
BURNS HARBOR 75 50/ 8/ 9 1017.6S
MICHIGAN CITY 74 30/ 15/ 16 1015.5F
MICH CITY BUOY 74 76 20/ 12/ 16 1015.6S 2/ 4
ST. JOSEPH BUOY 74 76 340/ 16/ 19 1017.9F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-212300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 84 72 67 S5 29.96F HX 89 TC 29
GALESBURG* CLOUDY 80 73 79 E5 30.00S HX 83 TC 26
MACOMB* PTSUNNY 82 77 83 E6 30.00S HX 90 TC 28
JACKSONVILLE* PTSUNNY 83 72 68 S3 29.97S HX 88 TC 29
PITTSFIELD* CLOUDY 82 77 83 SE3 29.99S HX 91 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-212300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 80 73 77 SE6 30.01S HX 85 TC 27
BLOOMINGTON PTSUNNY 81 75 82 E12 30.01F HX 87 TC 27
DECATUR PTSUNNY 85 75 72 CALM 29.98F HX 93 TC 29
PEORIA CLOUDY 81 73 76 E6 29.99F HX 86 TC 27
LACON* CLOUDY 80 72 76 E5 29.99F HX 83 TC 27
LINCOLN* CLOUDY 81 77 88 NE6 29.99S HX 88 TC 27
SPRINGFIELD CLOUDY 86 75 69 N5 29.97S HX 95 TC 30
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-212300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 80 73 79 E7 30.00F HX 84 TC 27
MATTOON MOSUNNY 82 74 76 SW5 29.97F HX 88 TC 28
ILZ079-100>102-212300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 86 75 70 VRB5 29.97F HX 95 TC 30
BELLEVILLE MOSUNNY 86 75 70 E7 29.95S HX 95 TC 30
CAHOKIA* PTSUNNY 85 74 69 E8 29.96S HX 92 TC 29
SPARTA* PTSUNNY 87 75 67 CALM 29.98S HX 96 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 86 75 69 E5 29.96S HX 95 TC 30
CAIRO* MOSUNNY 85 81 86 CALM 29.95S HX 100 TC 30
EFFINGHAM* MOSUNNY 86 74 68 SW5 30.00S HX 94 TC 30
MARION MOSUNNY 84 75 74 NE5 29.97S HX 92 TC 29
MT. VERNON MOSUNNY 89 73 59 E5 29.97F HX 97 TC 32
CENTRALIA* MOSUNNY 86 74 67 E5 29.97F HX 95 TC 30
SALEM* MOSUNNY 87 73 63 CALM 29.97F HX 94 TC 31
METROPOLIS* LGT RAIN 77 76 97 CALM 29.97S TC 25
ILZ067-068-072-073-078-083-087-091-212300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 89 72 56 W8 29.96F HX 96 TC 32
FLORA* PTSUNNY 86 73 66 SW5 29.98S HX 93 TC 30
FAIRFIELD* MOSUNNY 85 73 66 CALM 29.97F HX 92 TC 30
HARRISBURG* PTSUNNY 87 74 64 CALM 29.97S 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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