499
ASUS43 KLOT 171601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT THU JUL 17 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 63 84 NW6 30.05R TC 20
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 59 73 N10 30.06S TC 20
ROCHELLE* CLOUDY 68 64 86 N8 30.06R TC 20
PERU* CLOUDY 73 67 82 NW7 30.03R TC 23
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 63 78 N7 30.03R TC 21
CHICAGO-MIDWAY CLOUDY 74 63 68 N7 30.02R TC 23
AURORA CLOUDY 73 66 78 N8 30.03R TC 23
JOLIET* CLOUDY 77 68 73 NW6 30.03R TC 25
WAUKEGAN CLOUDY 66 60 81 N6 30.04R TC 19
DUPAGE AIRPORT CLOUDY 73 64 73 NW6 30.02R TC 23
KANKAKEE* CLOUDY 75 68 79 NW3 30.04R TC 24
WHEELING CLOUDY 70 63 78 N8 30.04R TC 21
MORRIS* PTSUNNY 76 69 79 N6 30.02R TC 25
ROMEOVILLE* CLOUDY 73 70 88 NW7 30.04R TC 23
LANSING* CLOUDY 72 65 80 N6 30.03R TC 22
NORTHERLY ISL* N/A 68 62 81 N8 N/A TC 20
LMZ740>746-171700-
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 63 70 350/ 16/ 19 1016.5R
WINTHROP HARBOR 65 69 330/ 8/ 12 N/A 3/ 8
WAUKEGAN HARBOR 65 70 20/ 10/ 14 N/A 3/ 8
WILMETTE BUOY 67 350/ 10/ 16 1018.7R 3/ 7
CHICAGO BUOY 69 72 360/ 12/ 14 1017.5R 3/ 8
HARRISON CRIB 73 360/ 14/ 16 N/A
NORTHERLY ISL 69 350/ 8/ 12 N/A
CALUMET HARBOR 69 10/ 6/ 9 1015.7
BURNS HARBOR 69 340/ 4/ 6 1017.6R
MICHIGAN CITY 70 330/ 10/ 13 1015.2R
MICH CITY BUOY 69 76 330/ 6/ 10 1015.2R 5/ 8
ST. JOSEPH BUOY 67 76 10/ 12/ 17 1016.9S 4/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 76 70 82 N9 30.04R TC 24
GALESBURG* CLOUDY 69 66 89 N6 30.06S TC 21
MACOMB* CLOUDY 75 70 84 N8 30.07R TC 24
PITTSFIELD* PTSUNNY 79 73 82 N6 30.05R HX 82 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 77 69 76 N7 30.03S TC 25
BLOOMINGTON PTSUNNY 77 70 79 N9 30.05R TC 25
DECATUR MOSUNNY 83 72 69 NE6 30.02R HX 88 TC 28
PEORIA CLOUDY 76 69 79 VRB6 30.04R TC 24
LACON* CLOUDY 73 66 78 N3 30.03R TC 23
LINCOLN* MOSUNNY 83 74 74 N5 30.02R HX 89 TC 28
SPRINGFIELD PTSUNNY 79 72 79 CALM 30.03R HX 82 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 78 70 77 N6 30.02R HX 80 TC 26
MATTOON MOSUNNY 82 73 74 NE5 30.01R HX 87 TC 28
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 81 73 78 SE3 30.02R HX 85 TC 27
CAHOKIA* PTSUNNY 86 74 67 NE3 30.01R HX 94 TC 30
SPARTA* CLOUDY 88 78 71 CALM 30.02R HX 100 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 83 78 85 W8 30.01R HX 93 TC 28
CAIRO* MOSUNNY 89 80 75 CALM 30.02R HX 105 TC 31
MARION CLOUDY 86 79 79 SW9 30.01R HX 99 TC 30
MT. VERNON MOSUNNY 85 74 69 VRB3 30.01S HX 92 TC 29
CENTRALIA* PTSUNNY 84 72 68 CALM 30.02R HX 89 TC 29
SALEM* MOSUNNY 83 73 70 CALM 30.01S HX 89 TC 29
METROPOLIS* MOSUNNY 89 76 66 CALM 30.02R HX 100 TC 32
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 87 77 72 N6 30.01S HX 99 TC 31
FLORA* MOSUNNY 82 73 74 N6 30.02R HX 88 TC 28
FAIRFIELD* MOSUNNY 84 71 63 N3 30.00S HX 89 TC 29
HARRISBURG* MOSUNNY 88 77 70 CALM 30.00S HX 101 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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