001
ASUS43 KLOT 221511
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT TUE JUL 22 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.
ILZ001-002-007-009-015-016-024-221600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 78 74 87 SE9 30.01S HX 81 TC 26
ILZ003-004-008-010-011-017-018-221600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 78 67 68 SE6 30.07F HX 80 TC 26
ROCHELLE* SUNNY 78 68 73 SE10 30.07F TC 25
DE KALB* SUNNY 77 67 71 SE10 30.09S TC 25
PERU* MOSUNNY 79 71 76 SE8 30.06S HX 82 TC 26
ILZ005-006-012>014-019>023-221600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 79 61 53 S9 30.07F HX 80 TC 26
CHICAGO-MIDWAY MOSUNNY 80 61 52 S10G20 30.08S HX 81 TC 27
AURORA PTSUNNY 79 65 62 S9 30.08S HAZE HX 81
JOLIET* MOSUNNY 79 67 66 SE8 30.09S HX 81 TC 26
WAUKEGAN MOSUNNY 75 66 73 SE7 30.08S TC 24
DUPAGE AIRPORT SUNNY 79 64 60 S9 30.08S HX 81 TC 26
KANKAKEE* SUNNY 77 65 65 SE14 30.09F TC 25
WHEELING MOSUNNY 79 64 60 S8 30.09F HX 81 TC 26
MORRIS* SUNNY 77 67 71 SE9 30.06F TC 25
ROMEOVILLE* CLOUDY 77 68 73 SE13 30.10R TC 25
LANSING* SUNNY 77 64 64 SE9 30.11R TC 25
NORTHERLY ISL* N/A 75 65 70 E12 N/A TC 24
LMZ740>746-221600-
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 70 69 170/ 12/ 16 1019.3R 3/ 4
WINTHROP HARBOR 71 69 140/ 10/ 14 N/A 2/ 4
WAUKEGAN HARBOR 71 70 150/ 12/ 16 N/A 2/ 4
WILMETTE BUOY 71 150/ 14/ 17 1021.1R 2/ 4
CHICAGO BUOY 77 72 170/ 4/ 8 1018.8 1/ 4
HARRISON CRIB 79 130/ 17/ 19 N/A
NORTHERLY ISL 76 120/ 7/ 9 N/A
CALUMET HARBOR 76 150/ 7/ 12 1018.0R
BURNS HARBOR 75 160/ 4/ 9 1020.0R
MICHIGAN CITY 73 130/ 12/ 14 1018.1R
MICH CITY BUOY 72 74 140/ 12/ 16 1018.0F 1/ 2
ST. JOSEPH BUOY 73 75 120/ 12/ 16 1020.5S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-221600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 83 75 77 SE10 29.99F HX 90 TC 28
GALESBURG* PTSUNNY 79 74 85 SE5 30.03F HX 82 TC 26
MACOMB* MOSUNNY 81 76 86 SE6 30.03F HX 88 TC 27
JACKSONVILLE* MOSUNNY 82 80 94 SE8 30.01F HX 92 TC 28
PITTSFIELD* PTSUNNY 82 78 85 SE8 30.01F HX 91 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-221600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 77 68 75 SE8 30.08S TC 25
BLOOMINGTON PTSUNNY 77 73 87 SE12 30.08S TC 25
DECATUR CLOUDY 79 75 87 SE7 30.06R HX 83 TC 26
PEORIA CLOUDY 78 74 87 VRB6 30.04F HX 81 TC 26
LACON* MOSUNNY 78 70 76 SE6 30.04S HX 81 TC 26
LINCOLN* CLOUDY 76 76 100 E5 30.05S FOG TC 25
SPRINGFIELD MOSUNNY 79 75 87 E10 30.03S HX 83 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-221600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOSUNNY 76 66 71 SE8 30.08S TC 25
MATTOON LGT RAIN 78 72 81 E5 30.06S HX 80 TC 26
ILZ079-100>102-221600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 77 79 SE7 30.02S HX 94 TC 29
BELLEVILLE SUNNY 86 79 80 SE7 30.00S HX 99 TC 30
CAHOKIA* SUNNY 86 77 74 VRB3 30.01R HX 97 TC 30
SPARTA* MOSUNNY 86 79 78 SE6 30.03F HX 99 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 85 77 77 E5 30.01S HX 95 TC 29
CAIRO* SUNNY 86 79 78 CALM 30.02S HX 99 TC 30
EFFINGHAM* MOSUNNY 80 77 91 E6 30.06S HX 85 TC 27
MARION SUNNY 84 77 79 S6 30.02S HX 94 TC 29
MT. VERNON N/A 85 77 77 VRB7 30.04 HX 95 TC 29
CENTRALIA* SUNNY 85 77 78 E7 30.03F HX 95 TC 29
SALEM* MOSUNNY 84 76 74 SE8 30.03F HX 93 TC 29
METROPOLIS* SUNNY 85 77 76 CALM 30.02F HX 96 TC 30
ILZ067-068-072-073-078-083-087-091-221600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 81 73 76 E6 30.05S HX 86 TC 27
FLORA* SUNNY 82 77 83 E6 30.04F HX 91 TC 28
FAIRFIELD* MOSUNNY 82 75 79 E3 30.04S HX 89 TC 28
HARRISBURG* PTSUNNY 84 78 82 E7 30.04S HX 95 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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