818
ASUS43 KLOT 310801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT FRI JUL 31 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.
ILZ001-002-007-009-015-016-024-310900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 65 84 SE5 29.96F TC 21
STERLING* MOCLDY 68 64 87 SE3 30.00F TC 20
SAVANNA* MOCLDY 69 63 80 SW3 29.99S TC 21
ILZ003-004-008-010-011-017-018-310900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 68 62 81 SE3 30.01F TC 20
FREEPORT* MOCLDY 66 65 95 CALM 30.01F TC 19
ILZ005-006-012>014-019>023-310900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 71 62 73 CALM 30.01S TC 22
CHICAGO-MIDWAY MOCLDY 73 63 70 S3 30.01F TC 23
AURORA PTCLDY 62 61 96 E5 30.00F TC 17
JOLIET* PTCLDY 66 66 100 CALM 30.02F TC 19
WAUKEGAN PTCLDY 67 62 84 CALM 30.00F TC 19
DUPAGE AIRPORT PTCLDY 65 63 93 SE3 30.01F TC 18
KANKAKEE* MOCLDY 64 63 95 CALM 30.04S TC 18
WHEELING PTCLDY 67 63 87 SE3 30.02F TC 19
LANSING* PTCLDY 66 63 89 CALM 30.04R TC 19
NORTHERLY ISL* N/A 74 60 61 SW2 N/A TC 23
LMZ740>746-310900-
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 70 130/ 4/ 4 1015.5F 1
WAUKEGAN HARBOR 72 71 180/ 2/ 4 1016.4F 0
WILMETTE BUOY 72 230/ 4/ 10 1019.2S 0
CHICAGO BUOY 74 72 1015.5S 0
HARRISON CRIB 77 220/ 2/ 3 N/A
NORTHERLY ISL 74 220/ 3/ 5 N/A
CALUMET HARBOR 72 210/ 2/ 4 1016.8
BURNS HARBOR 1017.6S
MICHIGAN CITY 71 170/ 4/ 5 1015.6R
MICH CITY BUOY 72 73 170/ 6/ 8 N/A 1
ST. JOSEPH BUOY 72 73 180/ 4/ 6 1017.7R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-310900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 72 65 78 SE9 29.95F TC 22
GALESBURG* MOCLDY 70 64 81 SE5 29.98F TC 21
MACOMB* PTCLDY 69 68 96 CALM 30.00S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-310900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 69 64 84 S8 30.03F TC 21
DECATUR PTCLDY 68 62 81 S5 30.02F TC 20
PEORIA PTCLDY 72 61 68 SE7 29.99F TC 22
LINCOLN* PTCLDY 68 64 86 CALM 30.01F TC 20
SPRINGFIELD PTCLDY 72 62 71 S7 30.00F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-310900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 65 63 93 SE3 30.03S TC 18
MATTOON MOCLDY 67 62 84 S3 30.02F TC 19
ILZ079-100>102-310900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 69 69 97 S3 29.97F TC 21
CAHOKIA* MOCLDY 71 66 84 S5 29.98F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* MOCLDY 66 66 100 CALM 30.03F TC 19
MARION PTCLDY 70 64 83 SE3 30.02F TC 21
MT. VERNON PTCLDY 68 63 84 CALM 30.02F TC 20
CENTRALIA* PTCLDY 68 63 84 CALM 30.01F TC 20
SALEM* PTCLDY 70 64 81 MISG 30.01F TC 21
ILZ067-068-072-073-078-083-087-091-310900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 68 66 93 CALM 30.02F TC 20
FAIRFIELD* PTCLDY 65 63 92 CALM 30.02F TC 18
HARRISBURG* PTCLDY 64 64 100 CALM 30.02F TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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