397
ASUS43 KLOT 201509
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-201600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 75 71 87 CALM 29.96R TC 24
ILZ003-004-008-010-011-017-018-201600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 65 84 MISG 30.00F TC 21
ROCHELLE* LGT RAIN 70 68 95 E8 29.98F TC 21
DE KALB* DRIZZLE 67 67 100 E14 29.99F TC 20
PERU* HVY RAIN 73 73 100 NE12 29.97S VSB<1/4 TC 23
ILZ005-006-012>014-019>023-201600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 69 65 86 NE17 29.98F TC 21
CHICAGO-MIDWAY CLOUDY 72 66 81 NE13 29.98F TC 22
AURORA RAIN 69 66 90 NE6 29.98F FOG TC 21
JOLIET* DRIZZLE 72 71 96 E6 29.98F TC 22
WAUKEGAN CLOUDY 70 63 78 NE12 30.01F TC 21
DUPAGE AIRPORT LGT RAIN 70 66 87 NE7 29.98F TC 21
KANKAKEE* LGT RAIN 71 69 95 S3 30.02R TC 22
WHEELING LGT RAIN 69 66 90 NE7 30.02F TC 21
MORRIS* LGT RAIN 71 71 100 NE3 29.98S TC 21
ROMEOVILLE* LGT RAIN 70 70 100 NE13 29.98F TC 21
LANSING* LGT RAIN 69 69 100 NE5 29.98F TC 21
NORTHERLY ISL* N/A 69 65 86 N9 N/A TC 21
LMZ740>746-201600-
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/ 12/ 14 1016.4R
WINTHROP HARBOR 68 69 330/ 10/ 14 N/A 2/ 5
WAUKEGAN HARBOR 68 69 330/ 12/ 16 N/A 2/ 5
WILMETTE BUOY 69 20/ 8/ 14 1018.3R 3/ 5
CHICAGO BUOY 70 71 20/ 14/ 17 1015.3 2/ 5
HARRISON CRIB 75 360/ 11/ 12 N/A
NORTHERLY ISL 69 350/ 6/ 9 N/A
CALUMET HARBOR 69 340/ 6/ 9 1015.4
BURNS HARBOR 71 340/ 2/ 4 1016.6F
MICHIGAN CITY 72 300/ 6/ 6 1014.8R
MICH CITY BUOY 72 75 320/ 4/ 4 1014.8R 2/ 4
ST. JOSEPH BUOY 72 75 320/ 8/ 12 1016.4S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-201600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 75 74 96 SE5 29.97F TC 24
GALESBURG* LGT RAIN 73 73 100 CALM 29.98R TC 23
MACOMB* CLOUDY 76 75 99 S3 29.99R TC 24
JACKSONVILLE* CLOUDY 76 75 99 S3 30.00R TC 24
PITTSFIELD* CLOUDY 78 77 96 CALM 30.01S HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-201600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC LGT RAIN 73 72 97 S8 29.97F TC 23
BLOOMINGTON CLOUDY 71 71 100 E8 29.99F TC 22
DECATUR PTSUNNY 77 71 82 E3 30.01S TC 25
PEORIA LGT RAIN 73 72 96 E7 29.95F TC 23
LACON* CLOUDY 74 71 91 CALM 29.95F TC 23
LINCOLN* LGT RAIN 73 73 100 SE5 29.99R TC 23
SPRINGFIELD LGT RAIN 78 75 90 CALM 29.99S HX 81 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* RAIN 71 70 98 N9 29.98F TC 22
MATTOON CLOUDY 79 75 87 NW9 30.00R HX 83 TC 26
ILZ079-100>102-201600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 73 70 W8 30.00R HX 91 TC 29
BELLEVILLE MOSUNNY 85 76 74 W7 29.98R HX 95 TC 30
CAHOKIA* MOSUNNY 84 75 74 W5 29.99R HX 92 TC 29
SPARTA* MOSUNNY 86 73 65 SW8 30.03R HX 94 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 75 74 SW8 30.02F HX 92 TC 29
CAIRO* PTSUNNY 83 78 83 W5 30.05S HX 93 TC 29
EFFINGHAM* PTSUNNY 81 78 91 CALM 30.02S HX 89 TC 27
MARION MOSUNNY 84 75 74 W12 30.03S HX 92 TC 29
MT. VERNON PTSUNNY 88 78 72 SW12 30.01S HX 101 TC 31
CENTRALIA* PTSUNNY 84 76 77 SW6 30.01S HX 93 TC 29
SALEM* PTSUNNY 86 76 71 W5 30.00F HX 96 TC 30
METROPOLIS* PTSUNNY 84 74 73 CALM 30.05S HX 91 TC 29
ILZ067-068-072-073-078-083-087-091-201600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 85 78 80 W7 30.00S HX 96 TC 29
FLORA* PTSUNNY 82 77 83 W7 30.01R HX 91 TC 28
FAIRFIELD* PTSUNNY 83 75 78 SW8 30.01S HX 90 TC 28
HARRISBURG* MOSUNNY 84 76 76 SW8 30.03F HX 94 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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