809
ASUS43 KLOT 172301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM 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.
ILZ001-002-007-009-015-016-024-180000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 73 63 70 NE6 30.05R TC 23
ILZ003-004-008-010-011-017-018-180000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 70 58 65 VRB5 30.10R TC 21
ROCHELLE* PTSUNNY 72 60 65 NE8 30.09R TC 22
PERU* CLOUDY 73 65 74 NE6 30.06S TC 23
ILZ005-006-012>014-019>023-180000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 66 58 75 NE14 30.08R TC 19
CHICAGO-MIDWAY CLOUDY 68 58 70 NE12 30.08R TC 20
AURORA PTSUNNY 69 61 75 E12 30.08R TC 21
JOLIET* CLOUDY 69 62 78 NE9 30.08S TC 21
WAUKEGAN CLOUDY 66 56 70 NE9 30.09S TC 19
DUPAGE AIRPORT CLOUDY 68 59 73 E9 30.08R TC 20
KANKAKEE* PTSUNNY 70 63 77 NE10 30.07S TC 21
WHEELING CLOUDY 66 58 75 NE13G18 30.11R TC 19
MORRIS* CLOUDY 68 63 83 NE3 30.06S TC 20
ROMEOVILLE* CLOUDY 68 63 83 NE13 30.09R TC 20
LANSING* CLOUDY 67 60 80 N10 30.08S TC 19
NORTHERLY ISL* N/A 65 58 78 N12 N/A TC 18
LMZ740>746-180000-
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 69 350/ 16/ 19 1019.0R
WINTHROP HARBOR 65 69 350/ 12/ 16 N/A 3/ 4
WAUKEGAN HARBOR 65 71 340/ 14/ 19 N/A 3/ 7
WILMETTE BUOY 66 30/ 14/ 17 1020.5R 4/ 7
CHICAGO BUOY 67 71 10/ 14/ 17 1019.2R 3/ 7
HARRISON CRIB 71 20/ 19/ 21 N/A
NORTHERLY ISL 65 10/ 9/ 13 N/A
CALUMET HARBOR 66 360/ 7/ 12 1017.6
BURNS HARBOR 68 30/ 9/ 10 1019.0R
MICHIGAN CITY 67 10/ 13/ 16 1016.8F
MICH CITY BUOY 67 76 10/ 12/ 16 1017.0R 5/ 7
ST. JOSEPH BUOY 67 76 330/ 16/ 21 1018.9R 4/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-180000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 79 70 74 N6 30.03S HX 82 TC 26
GALESBURG* CLOUDY 73 65 75 N8 30.07R TC 23
MACOMB* CLOUDY 75 68 78 N6 30.07S TC 24
PITTSFIELD* PTSUNNY 80 72 75 N5 30.03F HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-180000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 67 76 NE13 30.04F TC 24
BLOOMINGTON CLOUDY 77 71 82 N8 30.05R TC 25
DECATUR LGT RAIN 78 73 84 CALM 30.02F HX 81 TC 26
PEORIA PTSUNNY 78 68 71 NE7 30.03R HX 80 TC 26
LACON* PTSUNNY 75 65 73 NE6 30.03F TC 24
LINCOLN* CLOUDY 81 70 69 CALM 30.02S HX 84 TC 27
SPRINGFIELD CLOUDY 80 70 71 NE6 30.01F HX 83 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 79 68 69 N5 30.03S HX 81 TC 26
MATTOON PTSUNNY 83 71 67 N6 30.00R HX 87 TC 28
ILZ079-100>102-180000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 81 72 74 CALM 30.00F HX 84 TC 27
CAHOKIA* CLOUDY 78 73 84 CALM 29.96F HX 81 TC 26
SPARTA* CLOUDY 76 74 95 CALM 29.98F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 75 73 93 SE3 29.99S TC 24
CAIRO* PTSUNNY 89 81 77 CALM 29.97R HX 109 TC 32
EFFINGHAM* TSTM 74 74 99 SW3 30.04R TC 24
MARION CLOUDY 75 73 94 E8 30.00S TC 24
MT. VERNON LGT RAIN 75 74 96 S5 30.00S FOG TC 24
CENTRALIA* LGT RAIN 75 74 98 W3 29.99S TC 24
SALEM* RAIN 75 74 98 NE5 29.98F TC 24
METROPOLIS* CLOUDY 84 76 76 CALM 29.99R HX 93 TC 29
ILZ067-068-072-073-078-083-087-091-180000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 77 74 90 W6 30.03R TC 25
FLORA* RAIN 73 73 100 N3 30.03R TC 23
FAIRFIELD* LGT RAIN 74 72 91 S6 30.02S TC 24
HARRISBURG* PTSUNNY 73 72 97 E6 30.00F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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