988
ASUS43 KLOT 202310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT THU AUG 20 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.
ILZ001-002-007-009-015-016-024-210000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 78 61 55 CALM 30.04R HX 80 TC 26
STERLING* SUNNY 80 54 40 NE3 30.07R HX 80 TC 27
SAVANNA* MOSUNNY 80 56 44 CALM 30.06S HX 80 TC 26
ILZ003-004-008-010-011-017-018-210000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 78 54 43 W3 30.07R TC 26
FREEPORT* MOSUNNY 78 56 47 CALM 30.09R TC 26
ROCHELLE* SUNNY 76 53 45 NE5 30.08R TC 24
DE KALB* SUNNY 76 57 51 NE5 30.08S TC 25
PERU* SUNNY 79 55 44 N5 30.06S TC 26
ILZ005-006-012>014-019>023-210000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 76 57 51 NE8 30.05R TC 24
CHICAGO-MIDWAY MOSUNNY 76 60 57 NE9 30.05R TC 24
AURORA SUNNY 77 57 50 N3 30.05S TC 25
JOLIET* SUNNY 80 58 47 E5 30.05S HX 80 TC 27
WAUKEGAN SUNNY 74 56 53 NE6 30.06R TC 23
DUPAGE AIRPORT NOT AVBL
KANKAKEE* SUNNY 76 61 61 NE6 30.06R TC 24
WHEELING SUNNY 75 58 55 NE7 30.07R TC 24
ROMEOVILLE* SUNNY 79 59 50 NE6 30.05S HX 80 TC 26
LANSING* MOSUNNY 74 62 64 N7 30.06R TC 24
NORTHERLY ISL* N/A 74 60 61 N8 N/A TC 23
LMZ740>746-210000-
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 74 74 360/ 8/ 10 1017.5 2/ 4
WAUKEGAN HARBOR 74 74 340/ 8/ 12 1018.4 2/ 4
WILMETTE BUOY 74 60/ 10/ 14 1021.2R 2/ 4
CHICAGO BUOY 74 73 1016.9 2/ 4
NORTHERLY ISL 75 20/ 9/ 10 N/A
CALUMET HARBOR 74 340/ 7/ 11 1018.0R
MICH CITY BUOY 74 75 330/ 4/ 6 N/A 2/ 4
ST. JOSEPH BUOY 74 75 360/ 10/ 14 1018.2R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-210000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 82 65 56 NE8 30.04R HX 84 TC 28
GALESBURG* SUNNY 79 65 61 N5 30.06S HX 81 TC 26
MACOMB* SUNNY 80 67 64 NE3 30.07S HX 82 TC 27
JACKSONVILLE* SUNNY 80 66 61 N7 30.04S HX 82 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-210000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 78 58 49 N5 30.06S TC 25
BLOOMINGTON SUNNY 78 60 53 N9 30.07S TC 26
DECATUR SUNNY 80 64 58 NE6 30.05R HX 82 TC 27
PEORIA SUNNY 79 60 52 VRB3 30.05S HX 80 TC 26
LACON* SUNNY 78 53 42 CALM 30.05S TC 25
LINCOLN* SUNNY 80 66 62 NE5 30.05S HX 82 TC 27
SPRINGFIELD SUNNY 81 63 54 NE8 30.04R HX 82 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-210000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 77 64 64 N9 30.05R TC 25
RANTOUL* SUNNY 78 61 56 N7 30.05F TC 25
MATTOON MOSUNNY 79 65 62 N10 30.04R HX 81 TC 26
PARIS* SUNNY 79 64 60 N5 30.05R HX 81 TC 26
ILZ079-100>102-210000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE SUNNY 83 71 66 N8 30.00R HX 87 TC 28
CAHOKIA* MOSUNNY 83 69 62 E12 30.01R HX 86 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 84 68 58 N9 29.99S HX 87 TC 29
CAIRO* SUNNY 87 76 69 N3 29.97S HX 97 TC 31
EFFINGHAM* SUNNY 79 71 75 N3 30.05R HX 82 TC 26
MT. VERNON SUNNY 83 66 56 N8 30.01R HX 85 TC 28
CENTRALIA* SUNNY 83 69 61 CALM 30.02R HX 86 TC 28
SALEM* MOSUNNY 82 72 71 MISG 30.02R HX 87 TC 28
METROPOLIS* MOSUNNY 84 69 59 NW7 29.98R HX 88 TC 29
ILZ067-068-072-073-078-083-087-091-210000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 83 68 60 N8 30.01R HX 86 TC 28
FLORA* SUNNY 81 70 69 N7 30.02R HX 84 TC 27
FAIRFIELD* SUNNY 83 66 55 N6 30.00S HX 85 TC 29
HARRISBURG* PTSUNNY 83 75 78 NE3 30.00R HX 90 TC 28
ROBINSON* SUNNY 82 70 65 N6 30.01R HX 86 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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