889
ASUS43 KLOT 212104
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-212200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 78 73 84 E8 29.99F HX 81 TC 26
ILZ003-004-008-010-011-017-018-212200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 80 65 59 E8 30.04F HX 82 TC 27
ROCHELLE* CLOUDY 80 65 60 SE6 30.04F HX 81 TC 26
PERU* CLOUDY 80 72 77 E8 30.02F HX 83 TC 27
ILZ005-006-012>014-019>023-212200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 80 57 45 E12 30.03F HX 80 TC 27
CHICAGO-MIDWAY MOSUNNY 82 60 47 E12G18 30.03F HX 82 TC 28
AURORA PTSUNNY 84 65 52 E6 30.02F HX 86 TC 29
JOLIET* CLOUDY 84 66 54 CALM 30.02F HX 86 TC 29
WAUKEGAN SUNNY 76 58 53 NE9 30.06F TC 24
DUPAGE AIRPORT SUNNY 84 62 47 E9 30.03S HX 85 TC 29
KANKAKEE* CLOUDY 79 69 70 E7 30.03F HX 82 TC 26
WHEELING SUNNY 78 64 61 NE10 30.06F HX 80 TC 26
MORRIS* CLOUDY 81 68 64 SE6 30.02S HX 84 TC 27
ROMEOVILLE* MOSUNNY 84 68 58 NE9 30.02F HX 87 TC 29
LANSING* SUNNY 82 65 55 NE10 30.03F HX 83 TC 28
NORTHERLY ISL* N/A 74 66 76 N12 N/A TC 23
LMZ740>746-212200-
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/ 8/ 10 1018.3F
WINTHROP HARBOR 69 69 20/ 10/ 12 N/A 2/ 4
WAUKEGAN HARBOR 69 70 10/ 10/ 14 N/A 2/ 4
WILMETTE BUOY 70 50/ 12/ 16 1019.9F 2/ 4
CHICAGO BUOY 73 74 10/ 8/ 14 1017.6F 2/ 4
HARRISON CRIB 77 30/ 16/ 17 N/A
NORTHERLY ISL 75 20/ 8/ 9 N/A
CALUMET HARBOR 75 360/ 8/ 12 1016.4
BURNS HARBOR 75 30/ 8/ 9 1017.6F
MICHIGAN CITY 74 20/ 15/ 15 1015.6F
MICH CITY BUOY 75 76 10/ 12/ 16 1015.9F 2/ 4
ST. JOSEPH BUOY 73 76 330/ 14/ 16 1018.5S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-212200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 84 71 65 S3 29.98F HX 89 TC 29
GALESBURG* CLOUDY 79 72 79 E5 30.00F HX 82 TC 26
MACOMB* CLOUDY 83 77 80 NE6 30.00F HX 92 TC 29
PITTSFIELD* CLOUDY 82 75 80 CALM 30.00S HX 88 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-212200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 73 81 E7 30.02F HX 82 TC 26
BLOOMINGTON CLOUDY 80 75 84 E7 30.02F HX 85 TC 27
DECATUR CLOUDY 83 75 77 SW5 29.99F HX 90 TC 28
PEORIA CLOUDY 81 74 79 E8 30.00F HX 86 TC 27
LACON* CLOUDY 78 71 79 E3 30.00F HX 80 TC 26
LINCOLN* PTSUNNY 83 76 79 E3 29.99F HX 90 TC 28
SPRINGFIELD PTSUNNY 86 75 69 NE3 29.97F HX 95 TC 30
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-212200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 80 73 78 E6 30.01S HX 84 TC 27
MATTOON CLOUDY 82 74 76 SW6 29.98F HX 88 TC 28
ILZ079-100>102-212200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 86 73 66 SE7 29.98F HX 93 TC 30
BELLEVILLE PTSUNNY 85 76 74 S5 29.95F HX 93 TC 29
CAHOKIA* MOSUNNY 87 74 64 VRB6 29.96F HX 95 TC 31
SPARTA* MOSUNNY 87 76 69 E5 29.98F HX 97 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-212200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 86 75 69 NE6 29.96F HX 95 TC 30
CAIRO* CLOUDY 87 80 79 NW3 29.96S HX 103 TC 31
EFFINGHAM* MOSUNNY 85 75 71 SW5 30.01S HX 94 TC 30
MARION MOSUNNY 86 73 66 NE6 29.97F HX 93 TC 30
MT. VERNON PTSUNNY 87 74 64 E6 29.98F HX 95 TC 31
CENTRALIA* PTSUNNY 86 74 66 CALM 29.99F HX 93 TC 30
SALEM* MOSUNNY 85 72 65 CALM 29.99F HX 91 TC 30
METROPOLIS* HVY RAIN 78 73 84 E5G32 29.96S HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-212200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 88 73 61 W8 29.98F HX 95 TC 31
FLORA* CLOUDY 86 73 66 CALM 29.99F HX 93 TC 30
FAIRFIELD* PTSUNNY 86 73 64 N3 29.98F HX 93 TC 30
HARRISBURG* PTSUNNY 86 73 66 NE5 29.98F HX 93 TC 30
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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