937
ASUS43 KLOT 171410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-171500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 64 87 NW8 30.04R TC 20
ILZ003-004-008-010-011-017-018-171500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 67 63 87 N10 30.06R TC 19
ROCHELLE* CLOUDY 69 65 88 N10 30.03S TC 20
DE KALB* CLOUDY 69 66 90 NW7 30.04R TC 21
PERU* CLOUDY 71 68 90 W5 30.02S TC 22
ILZ005-006-012>014-019>023-171500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 71 64 78 N7 30.00R TC 22
CHICAGO-MIDWAY PTSUNNY 75 63 66 N7 30.00R TC 24
AURORA PTSUNNY 73 66 78 NW8 30.01R TC 23
JOLIET* CLOUDY 75 68 80 N5 30.00F TC 24
WAUKEGAN CLOUDY 67 60 78 N3 30.01S TC 19
DUPAGE AIRPORT CLOUDY 73 64 73 N7 30.01R TC 23
KANKAKEE* MOSUNNY 75 67 77 N8 30.01S TC 24
WHEELING CLOUDY 70 63 78 N6 30.03R TC 21
MORRIS* PTSUNNY 73 69 86 NW3 30.00S TC 23
ROMEOVILLE* PTSUNNY 73 70 88 CALM 30.01S TC 23
LANSING* CLOUDY 71 66 84 NE6 30.01S TC 22
NORTHERLY ISL* N/A 70 62 76 N9 N/A TC 21
LMZ740>746-171500-
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 69 340/ 12/ 14 1016.5R 6/ 8
WINTHROP HARBOR 65 68 350/ 6/ 8 N/A 3/ 8
WAUKEGAN HARBOR 64 64 360/ 8/ 10 N/A 3/ 8
WILMETTE BUOY 67 10/ 8/ 12 1018.2R 4/ 8
CHICAGO BUOY 69 72 350/ 10/ 14 1016.6 3/ 8
HARRISON CRIB 74 350/ 12/ 15 N/A
NORTHERLY ISL 69 360/ 8/ 12 N/A
CALUMET HARBOR 69 350/ 8/ 10 1015.0R
BURNS HARBOR 69 350/ 6/ 8 1016.6R
MICHIGAN CITY 69 340/ 10/ 12 1015.0R
MICH CITY BUOY 69 76 330/ 8/ 12 1015.0R 6/ 9
ST. JOSEPH BUOY 68 76 350/ 12/ 17 1016.7R 5/ 8
ILZ025>027-034>036-040-047-049-050-058-095>099-171500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 75 70 84 N13 30.01S TC 24
GALESBURG* CLOUDY 71 67 89 N6 30.05R TC 21
MACOMB* CLOUDY 74 69 87 N7 30.05F TC 23
JACKSONVILLE* MOSUNNY 77 74 92 CALM 30.01R TC 25
PITTSFIELD* MOSUNNY 77 71 82 N3 30.02F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-171500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 74 70 87 N7 30.01S TC 23
BLOOMINGTON MOSUNNY 76 72 87 N9 30.02R TC 24
DECATUR PTSUNNY 79 72 79 VRB5 30.01F HX 82 TC 26
PEORIA MOSUNNY 77 70 79 NW6 30.02R TC 25
LACON* CLOUDY 72 67 85 W3 30.02R TC 22
LINCOLN* MOSUNNY 76 76 100 N7 30.00F TC 24
SPRINGFIELD MOSUNNY 76 71 85 CALM 30.00R TC 24
TAYLORVILLE MOSUNNY 75 72 88 E5 30.01 TC 24
ILZ033-039-045-046-055>057-062-063-171500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 75 71 88 CALM 30.02R TC 24
MATTOON MOSUNNY 77 73 87 N8 30.01R TC 25
ILZ079-100>102-171500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 79 73 83 N5 30.00S HX 82 TC 26
BELLEVILLE MOSUNNY 80 73 78 CALM 29.98S HX 84 TC 27
CAHOKIA* PTSUNNY 83 72 69 VRB3 29.99S HX 88 TC 28
SPARTA* PTSUNNY 85 77 76 CALM 30.01R HX 95 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 77 79 SW5 29.99F HX 94 TC 29
CAIRO* SUNNY 85 79 82 SW3 30.01F HX 96 TC 29
EFFINGHAM* MOSUNNY 78 73 85 CALM 30.03S HX 81 TC 26
MARION MOSUNNY 82 77 83 S7 30.01F HX 91 TC 28
MT. VERNON MOSUNNY 80 76 87 NE3 30.02S HX 86 TC 27
CENTRALIA* MOSUNNY 79 73 82 CALM 30.02R HX 83 TC 26
SALEM* MOSUNNY 80 69 71 CALM 30.02S HX 82 TC 26
METROPOLIS* MOSUNNY 84 77 79 CALM 30.01F HX 94 TC 29
ILZ067-068-072-073-078-083-087-091-171500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 75 79 NW5 30.01R HX 89 TC 28
FLORA* PTSUNNY 79 72 78 N3 30.02R HX 82 TC 26
FAIRFIELD* MOSUNNY 80 73 78 CALM 30.01S HX 85 TC 27
HARRISBURG* SUNNY 83 76 79 SW6 30.01F HX 92 TC 29
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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