068
ASUS43 KLOT 311001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-311100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 70 64 81 SE8 29.93F TC 21
STERLING* MOCLDY 67 65 93 E3 29.97F TC 19
SAVANNA* MOCLDY 69 62 80 S6 29.96S TC 20
ILZ003-004-008-010-011-017-018-311100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 65 61 87 CALM 30.00F TC 18
FREEPORT* MOCLDY 64 63 95 SE6 29.99F TC 18
ILZ005-006-012>014-019>023-311100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 70 62 76 SE5 29.99S TC 21
CHICAGO-MIDWAY MOCLDY 71 62 73 SE5 30.00S TC 22
AURORA PTCLDY 63 61 93 CALM 29.99F TC 17
JOLIET* PTCLDY 64 64 99 CALM 30.00F TC 18
WAUKEGAN PTCLDY 63 63 100 CALM 30.00S TC 17
DUPAGE AIRPORT PTCLDY 66 64 93 S3 29.99F TC 19
KANKAKEE* PTCLDY 64 62 94 CALM 30.02S TC 18
WHEELING PTCLDY 69 63 81 SE3 30.01S TC 21
LANSING* PTCLDY 65 63 93 CALM 30.02S TC 18
NORTHERLY ISL* N/A 72 59 63 SW2 N/A TC 22
LMZ740>746-311100-
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 70 160/ 2/ 2 1015.4R 0
WAUKEGAN HARBOR 70 70 250/ 2/ 4 1016.4R 0
WILMETTE BUOY 72 220/ 4/ 6 1018.7R 0
CHICAGO BUOY 73 72 1015.1R 0
HARRISON CRIB 75 190/ 8/ 8 N/A
NORTHERLY ISL 73 220/ 3/ 4 N/A
CALUMET HARBOR 71 190/ 3/ 4 1016.3
BURNS HARBOR 1016.9S
MICHIGAN CITY 69 150/ 7/ 8 1015.1R
MICH CITY BUOY 71 73 170/ 6/ 8 N/A 1
ST. JOSEPH BUOY 70 72 150/ 2/ 4 1017.1S 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 65 75 SE9 29.92F TC 23
GALESBURG* MOCLDY 70 63 78 SE5 29.96F TC 21
MACOMB* CLOUDY 70 66 88 CALM 29.97S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-311100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 66 64 93 S6 30.01F TC 19
DECATUR MOCLDY 67 61 81 S5 30.00F TC 19
PEORIA MOCLDY 70 61 73 S5 29.97F TC 21
LACON* MOCLDY 67 60 79 CALM 29.97F TC 19
LINCOLN* MOCLDY 66 64 91 CALM 29.99S TC 19
SPRINGFIELD MOCLDY 71 62 73 S8 29.97F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 64 63 96 SE5 30.01S TC 18
MATTOON MOCLDY 65 62 90 MISG 30.00F TC 18
ILZ079-100>102-311100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 69 65 85 SE6 29.98S TC 21
CAHOKIA* MOCLDY 70 65 84 S6 29.96F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 67 67 100 CALM 30.00S TC 19
EFFINGHAM* MOCLDY 65 65 100 E3 30.02F TC 18
MARION CLEAR 66 65 98 CALM 30.01F TC 19
MT. VERNON PTCLDY 66 63 90 CALM 30.00F TC 19
CENTRALIA* MOCLDY 68 64 86 CALM 30.00F TC 20
SALEM* MOCLDY 69 64 85 MISG 30.00F TC 21
ILZ067-068-072-073-078-083-087-091-311100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 65 90 CALM 30.01S TC 20
FAIRFIELD* PTCLDY 63 62 97 CALM 30.01S TC 17
HARRISBURG* CLEAR 63 63 100 CALM 30.02S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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