739
ASUS43 KLOT 201706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SUN JUL 20 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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 78 73 84 SE8 29.95F HX 81 TC 26
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 64 73 VRB6 30.01S TC 23
ROCHELLE* CLOUDY 73 67 82 E10 30.00S TC 23
DE KALB* CLOUDY 71 71 100 E12 30.01S TC 21
PERU* DRIZZLE 73 73 99 E9 29.98S TC 23
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 65 78 NE13 29.99S TC 22
CHICAGO-MIDWAY PTSUNNY 75 66 73 NE8 29.98F TC 24
AURORA PTSUNNY 73 68 84 E7 30.00R TC 23
JOLIET* DRIZZLE 72 71 98 CALM 29.99S TC 22
WAUKEGAN CLOUDY 69 63 81 NE10G21 30.01R TC 21
DUPAGE AIRPORT CLOUDY 73 66 78 E10 29.99S TC 23
KANKAKEE* CLOUDY 73 72 95 SE5 29.99S TC 23
WHEELING CLOUDY 70 66 87 NE9 30.03R TC 21
MORRIS* LGT RAIN 71 71 100 NE3 29.98S TC 22
ROMEOVILLE* PTSUNNY 70 70 100 NE8G14 30.00S FOG TC 21
LANSING* LGT RAIN 71 70 98 N5 29.99S TC 21
NORTHERLY ISL* N/A 72 67 84 NE7 N/A TC 22
LMZ740>746-201800-
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 67 69 20/ 14/ 16 1015.8F
WINTHROP HARBOR 67 69 310/ 14/ 16 N/A 3/ 4
WAUKEGAN HARBOR 67 69 320/ 14/ 17 N/A 2/ 4
WILMETTE BUOY 69 40/ 12/ 17 1017.6R 3/ 5
CHICAGO BUOY 71 71 10/ 10/ 12 1016.0 2/ 5
HARRISON CRIB 76 20/ 14/ 14 N/A
NORTHERLY ISL 71 40/ 6/ 13 N/A
CALUMET HARBOR 71 10/ 6/ 10 1014.6F
BURNS HARBOR 73 40/ 3/ 3 1016.3R
MICHIGAN CITY 72 20/ 11/ 12 1013.7R
MICH CITY BUOY 73 75 20/ 10/ 12 1013.8R 2/ 5
ST. JOSEPH BUOY 72 75 350/ 14/ 19 1015.6F 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 78 75 90 S8 29.95F HX 81 TC 26
GALESBURG* PTSUNNY 80 73 79 CALM 29.97F HX 85 TC 27
MACOMB* PTSUNNY 78 73 86 CALM 29.98F HX 80 TC 26
JACKSONVILLE* PTSUNNY 80 79 98 S6 29.95F HX 86 TC 27
PITTSFIELD* PTSUNNY 83 78 84 SE6 29.97F HX 93 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 74 83 CALM 29.98R HX 83 TC 26
BLOOMINGTON PTSUNNY 76 74 93 S6 29.99F TC 24
DECATUR LGT RAIN 76 73 91 SE9 29.99F TC 24
PEORIA PTSUNNY 79 75 87 S8 29.95F HX 83 TC 26
LACON* CLOUDY 76 72 85 CALM 29.95F TC 25
LINCOLN* LGT RAIN 74 74 100 S6 29.97F TC 24
SPRINGFIELD LGT RAIN 79 77 94 SE7 29.96F HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* LGT RAIN 73 72 97 SE9 29.98F TC 23
MATTOON PTSUNNY 81 71 71 E5 29.99F HX 85 TC 27
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 86 75 70 VRB3 29.98F HX 95 TC 30
BELLEVILLE MOSUNNY 90 77 65 S5 29.96F HX 102 TC 32
CAHOKIA* MOSUNNY 89 74 60 W5 29.97F HX 98 TC 32
SPARTA* MOSUNNY 91 76 60 W7 30.01S HX 102 TC 33
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 88 77 70 SW10 30.00F HX 100 TC 31
CAIRO* MOSUNNY 87 78 76 CALM 30.04S HX 100 TC 31
EFFINGHAM* CLOUDY 82 78 87 CALM 30.02S HX 90 TC 28
MARION MOSUNNY 88 75 66 SW9 30.02F HX 97 TC 31
MT. VERNON MOSUNNY 90 77 65 SW9 30.00F HX 103 TC 32
CENTRALIA* PTSUNNY 88 76 67 W9 30.00F HX 98 TC 31
SALEM* PTSUNNY 88 76 67 W6 30.00S HX 98 TC 31
METROPOLIS* MOSUNNY 88 75 65 CALM 30.04F HX 97 TC 31
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 90 77 65 MISG 29.99F HX 103 TC 32
FLORA* MOSUNNY 88 77 70 SW10 30.00S HX 100 TC 31
FAIRFIELD* MOSUNNY 86 75 68 SW7 30.00F HX 95 TC 30
HARRISBURG* PTSUNNY 89 75 63 SW7 30.02F HX 100 TC 32
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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