036
ASUS43 KLOT 191406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT WED AUG 19 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.
ILZ001-002-007-009-015-016-024-191500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 75 70 84 E7 29.93F TC 24
STERLING* MOSUNNY 70 70 100 E6 29.95F TC 21
SAVANNA* SUNNY 67 66 96 CALM 29.95F TC 20
ILZ003-004-008-010-011-017-018-191500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 69 64 84 N6 29.96S TC 21
FREEPORT* MOSUNNY 66 65 94 E5 29.98S TC 19
ROCHELLE* MOSUNNY 68 65 90 NE7 29.96S TC 20
DE KALB* MOSUNNY 69 67 95 NE5 29.97S TC 20
PERU* MOSUNNY 73 72 94 CALM 29.95S TC 23
ILZ005-006-012>014-019>023-191500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 70 64 81 NE6 29.94S TC 21
CHICAGO-MIDWAY PTSUNNY 72 66 81 CALM 29.94S TC 22
AURORA MOSUNNY 70 65 84 NE6 29.95S TC 21
JOLIET* MOSUNNY 71 71 100 CALM 29.95S TC 22
WAUKEGAN PTSUNNY 68 66 93 NE5 29.95S TC 20
DUPAGE AIRPORT MOSUNNY 69 65 86 NE7 29.95S TC 21
KANKAKEE* MOSUNNY 75 72 90 CALM 29.95F TC 24
WHEELING PTSUNNY 69 66 90 NE5 29.96S TC 21
LANSING* MOSUNNY 72 66 82 CALM 29.95F TC 22
NORTHERLY ISL* N/A 72 65 78 MISG N/A TC 22
LMZ740>746-191500-
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 68 73 350/ 8/ 14 1017.2R 1/ 3
WAUKEGAN HARBOR 68 73 360/ 8/ 10 1014.8F 1/ 3
WILMETTE BUOY 71 70/ 6/ 8 1016.8S 1/ 3
CHICAGO BUOY 71 73 1013.0F 1
NORTHERLY ISL 71 20/ 4/ 6 N/A
CALUMET HARBOR 71 350/ 5/ 5 1014.1
MICH CITY BUOY 73 74 350/ 4/ 6 N/A 1/ 3
ST. JOSEPH BUOY 72 74 290/ 4/ 6 1015.0R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-191500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 70 90 SE5 29.92F TC 23
GALESBURG* MOSUNNY 75 73 95 N3 29.95F TC 24
MACOMB* MOSUNNY 76 74 95 CALM 29.95F TC 24
JACKSONVILLE* CLOUDY 73 73 100 SE5 29.93F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-191500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY N/A N/A N/A CALM 29.95S
BLOOMINGTON PTSUNNY 76 70 82 W6 29.97S TC 24
DECATUR CLOUDY 73 69 87 S7 29.96R TC 23
PEORIA PTSUNNY 75 70 84 W5 29.94F TC 24
LACON* MOSUNNY 76 69 79 CALM 29.94S TC 24
LINCOLN* CLOUDY 74 74 100 CALM 29.95R TC 23
SPRINGFIELD CLOUDY 75 70 84 S3 29.95R TC 24
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-191500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 73 71 93 S3 29.96S TC 23
RANTOUL* PTSUNNY 74 71 90 CALM 29.96S TC 23
MATTOON CLOUDY 71 70 96 CALM 29.97R TC 22
PARIS* CLOUDY 73 70 92 CALM 29.96F TC 23
ILZ079-100>102-191500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* PTSUNNY 71 69 93 S7 29.94F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 72 70 94 SW12 30.03R FOG TC 22
CAIRO* CLOUDY 73 73 100 NW6 30.05R TC 23
EFFINGHAM* CLOUDY 71 71 100 S5 29.98R TC 22
MT. VERNON LGT RAIN 71 71 100 SW10 30.00R TC 22
CENTRALIA* LGT RAIN 72 71 97 SW7 29.99S TC 22
SALEM* LGT RAIN 73 71 95 MISG 29.98S TC 23
METROPOLIS* RAIN 72 71 98 W7 30.05R TC 22
ILZ067-068-072-073-078-083-087-091-191500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 71 69 93 S6 29.98S TC 22
FLORA* CLOUDY 70 N/A N/A S7 29.99R TC 21
FAIRFIELD* CLOUDY 71 69 95 SW5 30.00S TC 22
HARRISBURG* RAIN 71 71 100 SW3 30.03R TC 22
ROBINSON* CLOUDY 72 72 100 VRB5 29.97R FOG TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page