940
ASUS43 KLOT 171711
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-171800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 64 81 N6 30.05S TC 21
ILZ003-004-008-010-011-017-018-171800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 69 59 70 N10 30.07S TC 21
ROCHELLE* CLOUDY 69 62 78 N15 30.05F TC 21
DE KALB* CLOUDY 66 65 94 N9 30.06F TC 19
PERU* CLOUDY 73 67 79 CALM 30.05R TC 23
ILZ005-006-012>014-019>023-171800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 63 78 NE10 30.04R TC 21
CHICAGO-MIDWAY CLOUDY 72 62 71 E9 30.04R TC 22
AURORA PTSUNNY 74 66 76 N14 30.03S TC 23
JOLIET* PTSUNNY 78 68 71 NE6 30.02S HX 80 TC 26
WAUKEGAN CLOUDY 67 59 75 NE9 30.06R TC 19
DUPAGE AIRPORT CLOUDY 73 64 73 N12 30.03R TC 23
KANKAKEE* PTSUNNY 79 68 69 W3 30.04S HX 81 TC 26
WHEELING CLOUDY 68 63 84 NE8 30.07R TC 20
MORRIS* PTSUNNY 76 69 79 N3 30.02R TC 24
ROMEOVILLE* PTSUNNY 75 70 83 N7 30.04S TC 24
LANSING* CLOUDY 70 64 81 NE10 30.05R TC 21
NORTHERLY ISL* N/A 67 61 81 N7 N/A TC 19
LMZ740>746-171800-
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/ 14/ 17 1017.9R 5/ 8
WINTHROP HARBOR 64 69 330/ 12/ 16 N/A 3/ 7
WAUKEGAN HARBOR 65 71 20/ 12/ 16 N/A 3/ 8
WILMETTE BUOY 66 20/ 12/ 17 1019.7R 4/ 8
CHICAGO BUOY 68 72 20/ 10/ 14 1018.0 3/ 8
HARRISON CRIB 73 360/ 11/ 13 N/A
NORTHERLY ISL 68 40/ 6/ 12 N/A
CALUMET HARBOR 68 10/ 6/ 8 1016.5
BURNS HARBOR 69 10/ 5/ 7 1017.9R
MICHIGAN CITY 69 310/ 10/ 12 1016.3R
MICH CITY BUOY 69 76 320/ 10/ 14 1016.2R 5/ 8
ST. JOSEPH BUOY 67 76 310/ 12/ 17 1018.4R 4/ 7
ILZ025>027-034>036-040-047-049-050-058-095>099-171800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 76 69 79 N7 30.05S TC 24
GALESBURG* CLOUDY 70 65 83 NW5 30.08R TC 21
MACOMB* PTSUNNY 76 70 81 N7 30.08S TC 25
JACKSONVILLE* PTSUNNY 81 70 70 CALM 30.04S HX 84 TC 27
PITTSFIELD* PTSUNNY 82 72 72 NE3 30.05S HX 86 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-171800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 78 68 71 W5 30.05R HX 80 TC 26
BLOOMINGTON CLOUDY 79 71 76 NE10 30.06R HX 82 TC 26
DECATUR PTSUNNY 85 72 65 NE5 30.04R HX 91 TC 29
PEORIA PTSUNNY 80 70 71 N3 30.04S HX 83 TC 27
LACON* CLOUDY 75 66 74 CALM 30.03F TC 24
LINCOLN* MOSUNNY 83 72 70 CALM 30.04R HX 88 TC 28
SPRINGFIELD PTSUNNY 82 72 71 VRB3 30.04R HX 87 TC 28
TAYLORVILLE MOSUNNY 82 72 69 CALM 30.05 HX 87 TC 28
ILZ033-039-045-046-055>057-062-063-171800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 80 70 70 CALM 30.05R HX 83 TC 27
MATTOON MOSUNNY 83 72 69 CALM 30.02R HX 88 TC 28
ILZ079-100>102-171800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 81 73 78 VRB5 30.03R HX 85 TC 27
BELLEVILLE PTSUNNY 85 76 75 E5 30.00 HX 95 TC 29
CAHOKIA* PTSUNNY 87 74 64 SE3 30.01S HX 95 TC 31
SPARTA* PTSUNNY 89 78 70 SW3 30.01F HX 103 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 79 77 94 VRB3 29.99 HX 83 TC 26
CAIRO* PTSUNNY 88 81 78 W5 30.01F HX 105 TC 31
EFFINGHAM* PTSUNNY 85 76 75 CALM 30.04S HX 95 TC 30
MARION RAIN 81 75 83 NW3 30.01S HX 86 TC 27
MT. VERNON PTSUNNY 88 75 65 E3 30.01S HX 97 TC 31
CENTRALIA* MOSUNNY 85 73 66 CALM 30.02S HX 91 TC 29
SALEM* PTSUNNY 85 74 69 CALM 30.02S HX 92 TC 29
METROPOLIS* PTSUNNY 88 76 69 CALM 30.02S HX 99 TC 31
ILZ067-068-072-073-078-083-087-091-171800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 87 77 72 VRB5 30.01S HX 99 TC 31
FLORA* MOSUNNY 86 75 70 CALM 30.02S HX 95 TC 30
FAIRFIELD* CLOUDY 85 73 67 CALM 30.02R HX 91 TC 29
HARRISBURG* TSTM 82 76 81 W9 30.01R HX 90 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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