Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 171811
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT THU JUL 17 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-171900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 71 64 78 VRB3 30.07R TC 22
6HR MIN TEMP: 67; 6HR MAX TEMP: 71;
$$
ILZ003-004-008-010-011-017-018-171900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 60 66 NW10G22 30.08R TC 22
6HR MIN TEMP: 66; 6HR MAX TEMP: 72; 6HR PCP: TRACE;
ROCHELLE* CLOUDY 68 61 78 NE6 30.09R TC 20
DE KALB* CLOUDY 68 63 84 NW6 30.09R TC 20
PERU* CLOUDY 75 68 78 N5 30.06R TC 24
$$
ILZ005-006-012>014-019>023-171900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 67 63 87 NE15 30.05R TC 19
6HR MIN TEMP: 67; 6HR MAX TEMP: 72;
CHICAGO-MIDWAY CLOUDY 71 62 73 NE12 30.05R TC 22
6HR MIN TEMP: 71; 6HR MAX TEMP: 75;
AURORA CLOUDY 72 65 78 N9 30.06R TC 22
6HR MIN TEMP: 69; 6HR MAX TEMP: 75;
JOLIET* CLOUDY 78 66 67 CALM 30.05R HX 80 TC 25
WAUKEGAN CLOUDY 67 59 75 NE12 30.07R TC 19
6HR MIN TEMP: 66; 6HR MAX TEMP: 68;
DUPAGE AIRPORT CLOUDY 71 64 78 N13 30.05R TC 22
6HR MIN TEMP: 70; 6HR MAX TEMP: 74;
KANKAKEE* PTSUNNY 79 68 68 SW7 30.05S HX 82 TC 26
WHEELING CLOUDY 68 63 84 NE6 30.08R TC 20
6HR MIN TEMP: 67; 6HR MAX TEMP: 71; 6HR PCP: TRACE;
MORRIS* PTSUNNY 76 69 77 NW3 30.04S TC 25
LANSING* PTSUNNY 71 64 77 E10 30.06R TC 22
NORTHERLY ISL* N/A 66 62 87 NE9 N/A TC 19
$$
LMZ740>746-171900-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 62 69 350/ 14/ 16 1018.5R 5/ 6
WINTHROP HARBOR 64 69 330/ 14/ 17 N/A 3/ 7
WAUKEGAN HARBOR 65 71 20/ 14/ 19 N/A 3/ 8
WILMETTE BUOY 65 30/ 14/ 19 1019.6F 3/ 8
CHICAGO BUOY 67 71 10/ 14/ 16 1018.5 3/ 8
HARRISON CRIB 71 20/ 18/ 20 N/A
NORTHERLY ISL 66 10/ 11 N/A
CALUMET HARBOR 69 360/ 8/ 12 1016.7
BURNS HARBOR 69 20/ 7/ 9 1018.3R
MICHIGAN CITY 68 10/ 16/ 18 1016.4R
MICH CITY BUOY 69 76 360/ 12/ 17 1016.3R 5/ 8
ST. JOSEPH BUOY 66 76 310/ 16/ 19 1018.9R 4/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-171900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 70 79 N6 30.07R TC 25
GALESBURG* CLOUDY 71 65 82 NW5 30.09R TC 22
MACOMB* PTSUNNY 77 70 79 NW6 30.08S TC 25
JACKSONVILLE* PTSUNNY 81 70 70 CALM 30.04S HX 84 TC 27
PITTSFIELD* CLOUDY 82 71 67 CALM 30.05F HX 87 TC 28
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-171900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 69 70 NW3 30.05R HX 81 TC 26
BLOOMINGTON MOSUNNY 81 71 71 CALM 30.07R HX 85 TC 27
DECATUR PTSUNNY 86 74 67 NE5 30.04S HX 94 TC 30
PEORIA PTSUNNY 80 69 69 VRB3 30.04S HX 83 TC 27
6HR MIN TEMP: 73; 6HR MAX TEMP: 81;
LACON* CLOUDY 74 66 75 CALM 30.05R TC 24
LINCOLN* PTSUNNY 83 72 69 NE5 30.04S HX 88 TC 28
SPRINGFIELD PTSUNNY 83 73 72 VRB3 30.03F HX 89 TC 28
6HR MIN TEMP: 74; 6HR MAX TEMP: 84;
TAYLORVILLE CLOUDY 81 73 78 N7 30.04F HX 85 TC 27
$$
ILZ033-039-045-046-055>057-062-063-171900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOSUNNY 80 69 69 N5 30.05S HX 83 TC 27
MATTOON PTSUNNY 84 73 69 N3 30.01F HX 90 TC 29
$$
ILZ079-100>102-171900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 84 75 74 VRB5 30.01F HX 92 TC 29
BELLEVILLE PTSUNNY 86 77 74 NE6 29.99F HX 96 TC 30
CAHOKIA* PTSUNNY 87 76 69 NE8 30.00R HX 97 TC 31
SPARTA* MOSUNNY 90 76 64 CALM 30.00F HX 102 TC 32
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 83 78 85 CALM 30.01R HX 93 TC 28
6HR MIN TEMP: 78; 6HR MAX TEMP: 86; 6HR PCP: 0.03;
CAIRO* PTSUNNY 90 79 69 W7 30.00F HX 106 TC 32
MARION PTSUNNY 81 79 94 SW5 30.02R HX 89 TC 27
MT. VERNON TSTM 72 70 94 S16 30.04R FOG TC 22
CENTRALIA* CLOUDY 84 76 76 CALM 30.02R HX 92 TC 29
SALEM* CLOUDY 87 76 70 CALM 30.02R HX 96 TC 30
METROPOLIS* LGT RAIN 84 78 83 SW7 30.01S HX 94 TC 29
$$
ILZ067-068-072-073-078-083-087-091-171900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 90 78 68 N5 30.00F HX 104 TC 32
FLORA* MOSUNNY 86 73 66 CALM 30.02R HX 93 TC 30
FAIRFIELD* PTSUNNY 85 73 68 CALM 30.01R HX 92 TC 29
HARRISBURG* PTSUNNY 76 73 90 NW6 30.00R TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$