586
ASUS43 KLOT 190106
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT TUE AUG 18 2026
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.
ILZ001-002-007-009-015-016-024-190200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 77 69 76 SW6 29.91R TC 25
STERLING* MOCLDY 76 71 85 SW8 29.92S TC 24
SAVANNA* TSTM 72 66 82 SW13 29.91R TC 22
ILZ003-004-008-010-011-017-018-190200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 74 69 85 SW3 29.93R TC 23
FREEPORT* MOCLDY 74 72 92 W5 29.94R TC 24
ROCHELLE* MOCLDY 72 69 90 SW5 29.92S TC 22
DE KALB* PTCLDY 72 69 92 SW8 29.93S TC 22
PERU* CLOUDY 77 70 78 SW5 29.92S TC 25
ILZ005-006-012>014-019>023-190200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 76 67 73 SW7 29.90F TC 24
CHICAGO-MIDWAY MOCLDY 76 67 73 SW10 29.90F TC 24
AURORA PTCLDY 74 68 81 S7 29.91S TC 23
JOLIET* CLOUDY 77 70 78 SW3 29.93R TC 25
WAUKEGAN CLOUDY 72 69 90 W6 29.90R TC 22
DUPAGE AIRPORT PTCLDY 75 68 78 S9 29.90F TC 24
KANKAKEE* CLEAR 74 67 78 SW3 29.94S TC 24
WHEELING CLOUDY 76 66 71 SW5 29.92R TC 24
ROMEOVILLE* CLOUDY 77 73 88 S6 29.93R TC 25
LANSING* PTCLDY 72 66 82 SW5 29.94R TC 22
NORTHERLY ISL* N/A 76 64 66 S9 N/A TC 24
LMZ740>746-190200-
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)
WINTHROP HARBOR 73 74 230/ 8/ 12 1010.9 1
WAUKEGAN HARBOR 75 74 250/ 10/ 12 1013.6 1
WILMETTE BUOY 76 220/ 6/ 10 1016.0R 1/ 2
CHICAGO BUOY 76 73 1011.7 1/ 2
NORTHERLY ISL 76 200/ 9/ 11 N/A
CALUMET HARBOR 76 200/ 7/ 9 1013.2F
MICH CITY BUOY 75 74 190/ 6/ 8 N/A 1/ 3
ST. JOSEPH BUOY 75 74 220/ 10/ 14 1014.2S 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 75 70 84 S5 29.94F TC 24
GALESBURG* CLEAR 74 71 89 SW6 29.95S TC 23
MACOMB* CLEAR 73 73 98 SW5 29.97R TC 23
JACKSONVILLE* CLEAR 75 70 82 SW3 29.95S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-190200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 74 70 85 SW3 29.93S TC 24
BLOOMINGTON CLEAR 74 69 85 SW6 29.96S TC 23
DECATUR CLEAR 76 67 73 S5 29.95F TC 24
PEORIA CLEAR 77 68 73 SW6 29.93S TC 25
LACON* CLEAR 75 68 78 CALM 29.92S TC 24
LINCOLN* CLEAR 78 68 72 SW3 29.94S TC 25
SPRINGFIELD CLEAR 77 68 73 SW5 29.95R TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 73 71 93 S5 29.96S TC 23
RANTOUL* CLEAR 72 68 86 CALM 29.96S TC 22
MATTOON PTCLDY 75 68 78 SE3 29.96F TC 24
PARIS* PTCLDY 71 70 95 S3 29.97F TC 22
ILZ079-100>102-190200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 79 70 73 S5 29.96R HX 81 TC 26
BELLEVILLE PTCLDY 80 73 80 S5 29.94R HX 84 TC 27
CAHOKIA* PTCLDY 79 71 76 S5 29.94F HX 82 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 79 70 73 SE7 29.95F HX 81 TC 26
CAIRO* CLEAR 78 73 83 CALM 29.96F HX 81 TC 26
EFFINGHAM* PTCLDY 75 73 93 CALM 29.97F TC 24
MARION PTCLDY 77 68 72 S5 29.97F TC 25
MT. VERNON PTCLDY 79 68 69 CALM 29.96F HX 81 TC 26
CENTRALIA* PTCLDY 76 71 84 CALM 29.97R TC 24
SALEM* N/A 76 71 83 MISG 29.96S TC 25
METROPOLIS* CLEAR 75 69 80 CALM 29.97F TC 24
ILZ067-068-072-073-078-083-087-091-190200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 76 67 73 SW5 29.96F TC 24
FLORA* PTCLDY 75 70 83 E6 29.96F TC 24
FAIRFIELD* PTCLDY 75 67 77 CALM 29.96F TC 24
HARRISBURG* PTCLDY 77 72 84 E3 29.97F TC 25
ROBINSON* PTCLDY 73 72 94 SW3 29.96F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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