858
ASUS43 KLOT 060401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT SAT SEP 05 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.
ILZ001-002-007-009-015-016-024-060500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 76 70 82 NE6 29.99S TC 24
STERLING* MOCLDY 71 69 93 E9 30.03R TC 22
SAVANNA* PTCLDY 73 69 86 E3 30.03R TC 23
ILZ003-004-008-010-011-017-018-060500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 71 66 84 VRB5 30.05R TC 22
FREEPORT* MOCLDY 71 69 95 E8 30.06R TC 22
ILZ005-006-012>014-019>023-060500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 72 68 87 NE10 30.01S TC 22
CHICAGO-MIDWAY CLOUDY 74 68 81 NE14 30.00S TC 23
AURORA CLOUDY 72 67 84 NE7 30.02R TC 22
JOLIET* CLOUDY 75 70 83 NE10 30.01S TC 24
WAUKEGAN MOCLDY 68 68 100 NE7 30.03R TC 20
DUPAGE AIRPORT CLOUDY 71 67 87 NE8 30.02S TC 22
WHEELING MOCLDY 71 68 90 NE8 30.03S TC 22
LANSING* CLOUDY 73 68 86 NE9G18 30.01R TC 23
NORTHERLY ISL* N/A 72 68 87 NE9 N/A TC 22
LMZ740>746-060500-
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 72 72 20/ 16/ 19 1016.3R 2/ 4
WAUKEGAN HARBOR 72 70 360/ 14/ 17 1017.0R 2/ 4
WILMETTE BUOY 73 80/ 16/ 21 1019.2F 4/ 4
CHICAGO BUOY 74 73 1015.2S 3/ 5
HARRISON CRIB 73 40/ 18/ 20 N/A
NORTHERLY ISL 72 10/ 9/ 14 N/A
CALUMET HARBOR 73 20/ 12/ 17 1016.2
MICHIGAN CITY 73 30/ 15/ 16 1014.6R
MICH CITY BUOY 73 74 40/ 16/ 21 N/A 3/ 4
ST. JOSEPH BUOY 73 73 30/ 12/ 16 1017.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-060500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 79 76 90 NE8 29.96R HX 83 TC 26
MACOMB* CLEAR 75 75 99 NE6 30.00S TC 24
PITTSFIELD* CLEAR 82 76 83 CALM 29.97R HX 89 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-060500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 71 71 100 NE9 30.01R TC 22
DECATUR CLEAR 72 69 90 E7 29.98R TC 22
PEORIA CLEAR 76 70 82 E12 29.99R TC 24
LINCOLN* CLEAR 75 75 100 E5 29.98S TC 24
SPRINGFIELD CLEAR 78 72 81 NE10 29.96S HX 80 TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-060500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 72 69 90 NE15 29.98R TC 22
MATTOON CLEAR 75 71 87 N8 29.96R TC 24
ILZ079-100>102-060500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR N/A N/A N/A CALM 29.94R
CAHOKIA* CLEAR 82 73 74 N3 29.92R HX 87 TC 28
SPARTA* PTCLDY 78 71 79 CALM 29.93R HX 80 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-060500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 79 72 78 CALM 29.90 HX 82 TC 26
EFFINGHAM* CLEAR 79 72 78 NE3 29.96R HX 82 TC 26
MT. VERNON CLEAR 83 74 74 N5 29.92R HX 89 TC 28
CENTRALIA* PTCLDY 84 74 72 NE3 29.93R HX 91 TC 29
SALEM* CLEAR 85 76 74 MISG 29.93R HX 95 TC 30
ILZ067-068-072-073-078-083-087-091-060500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 83 74 74 N9 29.92R HX 89 TC 28
FAIRFIELD* CLEAR 83 72 70 CALM 29.91R HX 88 TC 28
HARRISBURG* CLEAR 77 73 87 N3 29.91R TC 25
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